41
CMP-001 1 2 Semester - 2011-2012 Information Technology PRINCESS NOURA BINT ABDUL RAHMAN UNIVERSITY PREPARATORY YEAR SECOND SEMESTER (2011 2012 / 1432 1433) Computer skills (CMP-001) MODULE : 1 Prepared by: Ms. Saleha Ziauddin Ms. Humaira Siddiqui Terminology translation by: Reviewed and Approved by: Ms. Azra Jabeen (Director of IT Department)

It Handout

  • Upload
    mony-al

  • View
    64

  • Download
    0

Embed Size (px)

Citation preview

Page 1: It Handout

CMP-001 1 2nd

Semester - 2011-2012

Information

Technology

PRINCESS NOURA BINT ABDUL RAHMAN UNIVERSITY

PREPARATORY YEAR

SECOND SEMESTER (2011 – 2012 / 1432 – 1433)

Computer skills (CMP-001)

MODULE : 1

Prepared by:

Ms. Saleha Ziauddin

Ms. Humaira Siddiqui

Terminology translation by:

Reviewed and Approved by:

Ms. Azra Jabeen

(Director of IT Department)

Page 2: It Handout

CMP-001 2 2nd

Semester - 2011-2012

Ms. Abeer Helwa

Table of Contents

COMPUTER GENERATIONS: ................................................................................................ 9

First generation computers (Vacuum tubes): ................................................................ 9

Second generation computers (Transistors): ................................................................ 9

Third Generation (Integrated Circuits): ...................................................................... 10

Fourth Generation computers (Present Microprocessor): ....................................... 10

BASIC CONCEPTS ................................................................................................................. 12

Computer: ............................................................................................................................. 12

Data: ...................................................................................................................................... 12

Information:......................................................................................................................... 12

Information Technology .................................................................................................... 12

Advantages of computers: ................................................................................................ 12

TYPES OF COMPUTERS ....................................................................................................... 12

Super computer: ................................................................................................................. 12

Mainframe computers: ...................................................................................................... 12

Minicomputers: .................................................................................................................... 13

Microcomputer: ................................................................................................................... 13

PARTS OF A PERSONAL COMPUTER ............................................................................... 13

HARDWARE ............................................................................................................................. 13

1. Input devices .............................................................................................................. 14

Keyboard ............................................................................................................................... 14

Mouse ..................................................................................................................................... 14

Page 3: It Handout

CMP-001 3 2nd

Semester - 2011-2012

Scanner: It allows you to scan pictures, text and images and save it to your

computer in a digital form. ............................................................................................... 14

2. Output devices: .......................................................................................................... 14

Printer: .................................................................................................................................. 14

Plotters: ................................................................................................................................ 14

Speaker/Headphones: ....................................................................................................... 14

-Note- .................................................................................................................................... 14

Touch Screen:...................................................................................................................... 15

Storage Devices: Hardware devices which are used to record and store data

are called storage devices. They are of two types – Internal storage and

External storage. Some examples of storage devices are as follows: .................. 16

Internal storage: ................................................................................................................ 16

Hard Disk: ....................................................................................................................... 16

External storage: ................................................................................................................ 16

Flash Memory (USB): ................................................................................................... 16

CD (Compact Disk): ....................................................................................................... 16

DVD (Digital Versatile Disk): ..................................................................................... 17

Disk and memory capacity: ............................................................................................... 18

Computer Performance: .................................................................................................... 18

SOFTWARE ............................................................................................................................. 18

Operating System .............................................................................................................. 18

Application Software: ...................................................................................................... 22

NETWORKS ............................................................................................................................ 22

Network: .............................................................................................................................. 23

Types of Networks: ......................................................................................................... 24

LAN: ...................................................................................................................................... 24

WAN: .................................................................................................................................... 24

Page 4: It Handout

CMP-001 4 2nd

Semester - 2011-2012

Main Parts of Network architecture:........................................................................... 26

- Client: .............................................................................................................................. 26

- Server: ............................................................................................................................ 26

- Resources ....................................................................................................................... 26

INTERNET, INTRANET AND EXTRANET: ............................................................... 26

Internet (Interconnected Network): ........................................................................... 26

INTERNET .............................................................................................................................. 26

World Wide Web (WWW) .............................................................................................. 26

ISP ........................................................................................................................................ 27

Uniform Resource Locator (URL) .................................................................................. 28

Web Browsers .................................................................................................................... 28

Home Page ........................................................................................................................... 28

Search Engines ................................................................................................................... 28

Downloading ......................................................................................................................... 30

Uploading ............................................................................................................................. 30

Cookie ................................................................................................................................... 30

Computers in Education: .................................................................................................. 30

Computers in Management: ............................................................................................. 30

Computers in Banks: ........................................................................................................... 31

Computers in Medical Fields: ........................................................................................... 31

Computers in Pharmacy: .................................................................................................... 31

Computers in Industry Field: ........................................................................................... 31

Tele-working: ....................................................................................................................... 31

E-Documents: ...................................................................................................................... 32

E-Commerce: ....................................................................................................................... 33

SAFETY AND HEALTH ........................................................................................................ 33

Page 5: It Handout

CMP-001 5 2nd

Semester - 2011-2012

Right methods to deal with the computer: ................................................................. 33

Health Problems which are caused by the wrong use of computers: ................... 34

INFORMATION TECHNOLOGY PROTECTION: .......................................................... 35

Information Security: ...................................................................................................... 35

VIRUSES ................................................................................................................................. 35

Virus spreading ways: ....................................................................................................... 35

Virus protection ways: ...................................................................................................... 35

Fill in the blanks: .................................................................................................................... 36

Write True or False (T / F) ................................................................................................ 36

Multiple Choice Questions ................................................................................................... 38

Page 6: It Handout

CMP-001 6 2nd

Semester - 2011-2012

Vocabulary

Computer Generations أجيال الحاسب

Vacuum Tubes األنابيب المفرغة

Integrated Circuits الدوائر المتكاملة

Silicon chips رقائق السليكون

Process معالجة

logical operations العمليات المنطقية

Information معلومات

Data بيانات

Speed and accurate السرعة والدقة

Hardware الوحدات المادية

Input devices أجهزة االدخال

Keyboard لوحة المفاتيح

The Mouse الفأرة

Scanner الماسح الضــوئي

Barcode Reader الشيفرات شريط قارئ

Joystick عصا التحكم

Output devices أجهزة االخراج

Monitor (Computer Screen ) الشــاشة

Laser Printer الطابعة الليزرية

Ink-jet Printer الطابعة الحبرية

Speaker/Head phones السماعات

Text نص

pictures الصور

Voice الصوت

Resolution دقة الشاشة

Touch Screen لوحة اللمس

Central Processing Unit وحدة المعالجة المركزية

Memory unit وحدة الذاكرة

Random Access Memory الوصول العشوائيذاكــرة

Read Only Memory ذاكــرة القراءة فقط

Temporary memory الذاكرة المؤقتة

Permanent memory الذاكرة الدائمة

Volatile – non Volatile غير متطايرة –متطايرة

Storage Device أجهزة التخزين

Internal Unit وحدات التخزين الداخلية

External Unit وحدات التخزين الخارجية

Page 7: It Handout

CMP-001 7 2nd

Semester - 2011-2012

Hard Disk القرص الصلب

Floppy Disk األقراص المرنة

CD –Compact Disk القرص المضغوط

Software البرمجيات

Operating System نظام التشغيل

Application Software البرمجيات التطبيقية

Graphical User Interface واجهة المستخدم الرسومية

Command Line Interface واجهة األوامر المكتوبة

Verify التحقق

charts الرسوم البيانية

Database قواعد البيانات

Design تصميم

animated pictures الصور المتحركة

Network الشبكات

share resources مشاركة المصادر

Local Area Network الشبكات المحلية

Wide Area Network الشبكات الموسعة

Client العميل

Server الخـــادم

Resources المصادر

Cables األســالك

Network Cards كرت الشبكــة

MIS (Management Information

System)

نظم إدارة المعلومات

CML (Computer Managed Learning) ادراة التعليم بواسطة الكومبيوتر

CAL (Computer Aided Learning) التعلم بمساعدة الكمبيوتر

Reducing التقليل

Financial transactions المعامــالت المالية

Industry Field الحقل الصناعي

Medical Fields الحقل الطبي

Artificial Intelligence الذكــــــــاء االصطناعي

Packing التعليب

Welding and plumbing السباكة والتلحيم

Fire fighting اطفاء الحرائق

Defusing bombs نزع فتيل القنابل

E-Commerce التجارة االلكترونية

Risks المخــاطر

Tele working العمل عــن بعد

Page 8: It Handout

CMP-001 8 2nd

Semester - 2011-2012

Adjust ضبط

screen lights brightness اضاءة الشاشة

radiation اشعاعات

Download تنزيل –تحمــيل

Adopt اعتماد -اتخاذ

fingerprint بصمة اليد

eye print بصمة العين

voice print بصمة الصوت

Fraud االحتيال

Individuals rights حقوق األفراد

Privacy الخصوصية

civil cases القضايا المدنية

threaten تهدد

Data Encryption تشفير البيانات

unreliable source مصدر غير موثوق

World Wide Web الشبكة العنكوبتية العالمية

ISP (Internet Service Provider) مزود خدمة االنترنت

Web Browser مستعرض االنترنت

Website موقع انترنت

Web Page صفحة انترنت

Home Page الصفحة الرئيسية

Search Engine محرك بحث

Downloading تنزيل

Uploading رفع

Page 9: It Handout

CMP-001 9 2nd

Semester - 2011-2012

COMPUTER GENERATIONS:

The present computer system that we see today has evolved through various

development stages. These stages are illustrated

below:

First generation computers (Vacuum tubes):

o They relied on the machine language to perform operations.

o They were huge in size.

o They had very low processing speed.

o They were very expensive.

Second generation computers (Transistors):

Page 10: It Handout

CMP-001 10 2nd

Semester - 2011-2012

o The transistors replaced vacuum tubes.

o They were smaller, faster, and cheaper than the first generation

computers.

Third Generation (Integrated Circuits):

o The Integrated Circuits replaced the transistors in the third generation.

o The Integrated circuits increased the speed and efficiency of the

computer.

Fourth Generation computers (Present Microprocessor):

Page 11: It Handout

CMP-001 11 2nd

Semester - 2011-2012

o The present microprocessor chip is the most powerful till date.

o These computers can be linked together to form networks.

o These computers are the fastest and the most efficient.

Page 12: It Handout

CMP-001 12 2nd

Semester - 2011-2012

BASIC CONCEPTS

Computer:

A computer is an electronic machine that receives input, stores and automatically

processes data, and provides output in a useful format.

Data:

Data is raw & unorganized facts and figures that need to be processed.

Information:

When data is processed and organized so as to make it useful and meaningful, it

is called Information.

Information Technology

A term that refers to both the hardware and software that is used to store,

retrieve and manipulate information.

Advantages of computers:

o Speed and accuracy of calculations and processing.

o Saves huge amounts of data.

o Economic in cost and time.

o Network communications.

TYPES OF COMPUTERS

Super computer:

o They are the biggest and the most powerful computers.

o They are rare because of their cost and size.

o Used by companies like NASA.

Mainframe computers:

o Great processing speed and data storage.

Page 13: It Handout

CMP-001 13 2nd

Semester - 2011-2012

o Often connected to many individual PCs with limited processing capabilities

called dumb terminals.

o Used in Banks, Airlines etc.

Minicomputers:

o These computers minimized in size and power.

o They are not used very commonly these days.

Microcomputer:

o It is called the personal computer (PC) which is popular everywhere.

o It is small enough to fit on top of a desk, which can be used by one user at a

time.

o Used in homes, schools etc.

Workstation Computer :

o A workstation is a high-end microcomputer .

o Intended primarily to be used by one person at a time, they are commonly

connected to a local area network.

o The term workstation has also been used to refer to a PC connected to

a network.

Control Computer:

These computers are used for controlling operations in industrial, medical devices

and travel media like planes and cars, to alert in any dangerous case.

PARTS OF A PERSONAL COMPUTER

A Personal Computer is broadly categorized into two parts – Hardware and

Software. These will be illustrated in detail as follows:

HARDWARE

The physical parts of a computer which you can see and touch are called

Hardware. Hardware is classified further into the following:

Page 14: It Handout

CMP-001 14 2nd

Semester - 2011-2012

1. Input devices

Devices used to translate data into a form that the computer can process are

called Input devices. Some examples of input devices are as follows:

Keyboard: It is a board containing the keys of letters, numbers and some

functions which allows you to type information into the computer.

Mouse: A small hand-held device used to point, select, click on items and to drag

and drop items from one place to another.

Scanner: It allows you to scan pictures, text and images and save it to your

computer in a digital form.

Bar Code Reader: It is a photoelectric scanner that translates the bar code

symbols into digital form.

Joystick: Small hand lever that can be moved in any directions to control

movement on the screen. It can be used for playing games.

2. Output devices:

Devices used to translate the processed information into a form that humans can

understand. Some examples of input devices are as follows:

Monitor (Computer Screen): Monitor displays the output in terms of text,

information or pictures. They come in different sizes and resolution.

Printer: A printer produces a hard copy of the material you are working on. For

example, Laser Printer and Ink-jet Printer.

Plotters: They are similar to printers but allow you to print larger images.

Speaker/Headphones: They are used to output voice from a computer.

-Note-

Page 15: It Handout

CMP-001 15 2nd

Semester - 2011-2012

Touch Screen: It can be used as both Input and output device at the same time.

It receives input from the touch of a finger. For example - smart phones, ATM

machines etc.

3. Central Processing Unit (CPU):

It is the most important part of a computer system. It is usually referred to

as the brain of a computer. It determines the speed of your computer, which

is measured in GHz (Giga Hertz).

The two main components of CPU are:

a) CU -Control Unit: It tells the computer system how to carry out program

instructions from the memory. It controls and coordinates all activities of

the computer.

b) ALU-Arithmetic and Logic Unit: It performs mathematical and logical

operations.

Page 16: It Handout

CMP-001 16 2nd

Semester - 2011-2012

4. Memory Unit:

Memory Types

RAM

(Random Access Memory)

ROM

(Read Only Memory)

Data and programs stored in

RAM are volatile (the

information is lost when you

switch off the computer).

This chip is where the operating

system is loaded to when you

switch on your computer.

Used to store applications that

you are currently working with.

It is a temporary memory

Data and programs stored in

ROM are non-volatile (the

information is not lost when

you switch off the computer).

This chip has special

programs which are built-in

when you buy the computer.

Used to store control

programs.

It is a permanent memory.

Storage Devices: Hardware devices which are used to record and store data are

called storage devices. They are of two types – Internal storage and External

storage. Some examples of storage devices are as follows:

Internal storage:

Hard Disk: It is the most important storage media located inside the

computer, which stores operating system and programs.

External storage:

Flash Memory (USB): A compact and easy-to-use device for transferring

data between computers.

CD (Compact Disk): An optical disk which uses laser technology to read

information. It can store data up to 750 MB.

Page 17: It Handout

CMP-001 17 2nd

Semester - 2011-2012

DVD (Digital Versatile Disk): A high-density video disc that stores large

amounts of data, especially high-resolution audio-visual material like movies,

encyclopaedia etc. In DVD, the capacity is upto 17 GB.

Page 18: It Handout

CMP-001 18 2nd

Semester - 2011-2012

Disk and memory capacity:

The smallest unit of storage is called bit. The bit is a binary numbering system

which consists of 0 or 1.

8 bits = 1 Byte

1024 bytes = 1 Kilo Byte (KB)

1024 KB = 1 Mega Byte (MB)

1024 MB = 1 Giga Byte (GB)

1024 GB = 1 Tera Byte (TB)

Computer Performance: The computer performance depends on the following:

- The speed of the processor, which is measured in Giga Hertz.

- The capacity of RAM, which is measured in Giga Bytes.

- The speed and capacity of the Hard Disk.

SOFTWARE

Software, or programs, are instructions that tell the computer what to do and

how to do it. It is divided into two types – Operating system and Application

Software.

Operating System

An interface between hardware and user, which is responsible for the

management of activities and the sharing of the resources of a computer .

It is the main software in any computer. Some examples are:

- DOS (Disk Operating system)

- Windows (98 – Me – 2000 – XP – Vista – 7)

Page 19: It Handout

CMP-001 19 2nd

Semester - 2011-2012

- MAC OS

- UNIX

Page 20: It Handout

CMP-001 20 2nd

Semester - 2011-2012

Two main types of Operating Systems:

a. CLI (Command Line Interface): A user interface in which you type commands

instead of choosing them from a menu or selecting an icon.

b. GUI (Graphical User Interface): A visual way of interacting with a computer

using items such as windows, icons, and menus. It is user-friendly.

Functions of Operating System:

- Interface: It provides an interface between the user and the machine.

- Resource management: The resource management function of an OS

allocates computer resources such as CPU time, main memory, secondary

storage, and input and output devices for use.

Page 21: It Handout

CMP-001 21 2nd

Semester - 2011-2012

- Input/Output management: This checks the input and output of the data,

their location, storage, and retrieval.

- File management: Setting up directories to organize your files according to

their type and displaying a list of files stored on a particular disk.

Page 22: It Handout

CMP-001 22 2nd

Semester - 2011-2012

Application Software:

They are programs used to perform some specific tasks. Some examples are as

follows:

1. Word Processor: It is used to write and format texts, insert

tables and pictures.

Eg: Microsoft Word

2. Spreadsheet: It is used for automatic calculations and creating charts.

Eg: Microsoft Excel

3. Database: A structured set of data held in a computer.

Eg: Microsoft Access

4. Presentation: It is used to design slides for business and education.

Eg: Microsoft PowerPoint

5. Web Browser: It is defined as a program designed to enable users to

access, retrieve and view documents and other resources on

the Internet. Eg: Internet explorer

NETWORKS

Page 23: It Handout

CMP-001 23 2nd

Semester - 2011-2012

Network: It is a set of two or more computers connected to share information

and resources.

Page 24: It Handout

CMP-001 24 2nd

Semester - 2011-2012

Advantages of using networks:

- Information sharing.

- Resources sharing (printers).

- Software sharing

- Information protection (user names and passwords)

- Emails

Types of Networks: There are mainly two types of networks – LAN and WAN.

LAN: It means Local Area Network; they are group of computers connected

together in the same region or a limited area.

WAN: It means Wide Area Network; which is a network that connects

computers over wide geographical area or may be other countries using telephone

lines or satellite.

Page 25: It Handout

CMP-001 25 2nd

Semester - 2011-2012

Page 26: It Handout

CMP-001 26 2nd

Semester - 2011-2012

Main Parts of Network architecture:

- Client: It is a computer connected to the network and doesn’t have any control

or privilege.

- Server: It is a computer that is responsible for controlling network

resources.

- Resources: All files, printers and other hardware or software that the

network users can share.

INTERNET, INTRANET AND EXTRANET:

Internet (Interconnected Network): It is a global network of inter-connected

networks.

Intranet (Internal Network): An Intranet is a network of computers within a

private company.

It is a close version of the Internet but can only be accessed by authorized

members in the same organization.

Extranet (External Network): It is similar to an Intranet but it can be accessed

by outsiders who have the permission to access the company’s network.

Note: All of the above networks need a modem to work.

Transfer Rate: The speed of modem is called Transfer rate, and is measured in

bps (bits per second). New modem speed is measured in Mbps or Gbps.

INTERNET

A system of connected computers that allows your computer to exchange data,

messages and files with any of the millions of other connected computers.

World Wide Web (WWW)

Page 27: It Handout

CMP-001 27 2nd

Semester - 2011-2012

A collection of web pages and related resources which are linked together

across the internet is called World Wide Web (WWW).

ISP

It is a company that provides individuals and other companies access to the

Internet, and other related services such as Web site building and virtual hosting

. For eg:

Page 28: It Handout

CMP-001 28 2nd

Semester - 2011-2012

Uniform Resource Locator (URL)

Every page has its own unique address known as URL. The different parts of an

URL are illustrated below:

http://www.pnu.edu.sa

Web Browsers

A web browser is a software application used for retrieving and presenting an

URL on the World Wide Web. Examples are:

Web Site

A computer storage area that contains one or more web pages

Home Page

The first web page you see when you launch internet explorer

Search Engines

Search engines are designed to search for information on the World Wide Web.

The search results are generally presented in a list of results.

Internet Explorer Netscape Navigator Mozilla Firefox Google Chrome

Protocol

Domain

Name Top Level Domain

DomaDomain

Country Domain

Page 29: It Handout

CMP-001 29 2nd

Semester - 2011-2012

Page 30: It Handout

CMP-001 30 2nd

Semester - 2011-2012

Downloading

The process of transferring a file from a network computer to your local

computer is called downloading.

Uploading

The process of transferring a file from

your local computer to a network computer is

called uploading.

Cookie

A file created by an internet site to store information on your computer.

Computers in Education: The use of computers in the academic setting has been

growing with the increase in computing power and the lowering of the cost. Now

schools have computer labs that give students access to resources they may not

have at home. Some classes even have a computer at every desk for the use of

the students.

Computers in Management: It is a computer based system that drives data from

all departments of an organization and produces reports of the organization's

performance.

Page 31: It Handout

CMP-001 31 2nd

Semester - 2011-2012

Computers in Banks: Computers are used for various purposes in banks such as

ATM machines, online banking, etc .

Computers in Medical Fields: Computers help in the management of hospital files

and records including files of all types of patients. Computers assist doctors in

diagnosing diseases and help them during surgery.

Computers in Pharmacy: Computers help in regulation of the pharmacy work like

financial transactions and storage system.

Computers in Industry Field:

Artificial Intelligence (AI): It is a part of Computer Science which aims to

design intelligent computer systems to help in solving problems. One of these

systems is Robot.

Robot: It is a machine created to simulate the human being

activities in a fast and organized manner. Works that can be

performed by the Robot are:

- Welding and plumbing

- Handling dangerous materials

- Defusing bombs

Tele-working: Working from home and communicating with the office by phone,

fax and computer is called Tele-working.

Advantages:

1. Reduced or zero commuting time

2. Greater ability to focus on one task

3. Flexible schedules

4. Reduced office space requirements

Disadvantages:

1. Lack of human contact and competition

2. Negative impact on teamwork

Page 32: It Handout

CMP-001 32 2nd

Semester - 2011-2012

3. No Self-discipline

E-Documents: Documents or files which are created by the computer

applications, e.g. text documents, are referred to as e-documents.

Advantages:

1. Reduces the need for printed material (books) which reduce the cost of

printing.

2. Easy to share these files online.

3. Easy to browse or search for a file on the computer. You can also use the

search facility.

Page 33: It Handout

CMP-001 33 2nd

Semester - 2011-2012

E-Commerce: Buying or selling via the internet usually using a credit card is

called

E-commerce. Payment method of E-commerce involves the use of Visa Card or

Master Card.

The Advantages of the E-Commerce:

1. Global Market: you can buy from any country.

2. Open 24 hours a day.

3. Saves the client's time.

The Disadvantages of E-Commerce:

1. Risk in payment due to disclosure of credit card number or bank account.

2. The risk of information leakage during transport, to a hacker who might

change the name of the buyer.

SAFETY AND HEALTH

Right methods to deal with the computer:

1. The screen: Adjust the screen's brightness

settings and position so that it is

comfortable for your eyes.

2. The keyboard: It should be in front of you,

and under your hand. It should not be in the

same level or above your hand.

3. You should put the mouse over a mouse pad

to save it from dust.

4. The chair and the table should be

adjustable and in good height.

5. Use cleaning tools to clean up the computer.

6. Use original ink and good paper for printing.

Page 34: It Handout

CMP-001 34 2nd

Semester - 2011-2012

Health Problems which are caused by the wrong use of computers:

1. Eye problems can arise because of the wrong distance from the computer

screen like vision problems and eye inflammation.

2. Neck pain, back pain and leg pain can be caused because of unhealthy sitting

in front of the computer due to cheap chairs and tables.

Page 35: It Handout

CMP-001 35 2nd

Semester - 2011-2012

INFORMATION TECHNOLOGY PROTECTION:

Information Security: It is a science which focuses on how to provide protection

to the information and to avoid misuse of data.

How to provide protection for Information System:

- Put password to log in for information.

- Ensure that the source of e-mail attachments is genuine.

- Adopt fingerprint, eye print or voice print systems in your Information

system.

- Create a backup copy of your work outside the system.

- Use of encryption techniques.

- Don’t leave your computer open when not in use.

- Don’t leave your devices with any person.

Encryption: It is the altering of data so that it is not usable to prevent it from

unauthorized users.

VIRUSES

They are software programs which are written with the intention of causing

damage in a computer system.

Virus spreading ways:

- Computer networks.

- Copying and distribution of illegal software through the internet.

Virus protection ways:

- Don’t use flash or CDs from unreliable sources.

- Use only registered software.

- Never open e-mail attachments from unreliable source.

- Install an anti-virus program and always keep it up-to-date.

Page 36: It Handout

CMP-001 36 2nd

Semester - 2011-2012

Assignment -1 (IT)

(Due date : (11/02/2012)

Name : ___________________________Group : ___________ Marks :

________/20

Fill in the blanks:

Output devices Cookie Information Scanner

Network First Generation Data Input devices

1. The __________________________ computers relied on machine language

to perform operations.

2. When data is processed and organized so as to make it useful, it is called

________________

3. Devices used to translate processed information into a form that humans can

understand are called ___________________.

4. ____________________allows you to scan pictures, text and images and

save it to your computer in a digital form

5. ______________________ is a file created by an internet site to store

information on your computer.

Write True or False (T / F)

1. Monitor is the most important storage media located inside the computer,

which stores operating system and programs. (

)

2. Robot is a machine created to simulate the human being activities in a fast and

organized manner. ( )

Page 37: It Handout

CMP-001 37 2nd

Semester - 2011-2012

3. Artificial Intelligence is the altering of data so that it is not useable to

prevent

it from unauthorized users. (

)

4. We should adjust the screen's brightness settings and position so that it is

comfortable for our eyes. (

)

5. Search engines are designed to search for information on the World Wide

Web. ( )

Page 38: It Handout

CMP-001 38 2nd

Semester - 2011-2012

Multiple Choice Questions

1. A term that refers to both the hardware and software that is used to

store, retrieve and manipulate information is called_______

a) Hardware

b) Software

c) Information Technology

d) Operating System

2. Which of the following is the biggest and the most powerful type of

computer?

a) Micro computer

b) Super computer

c) Workstation computer

d) Control computer

3. Which of the following is a visual way of interacting with a computer

using items such as windows, icons and menus?

a) CLI

b) GUI

c) Ms. Word

d) Paint

4. The company that provides individuals and other companies access to the

internet is ___________________

a) WWW

b) ISP

c) URL

d) Protocol

Page 39: It Handout

CMP-001 39 2nd

Semester - 2011-2012

5. RAM stands for

a) Random Asset Memory

b) Random Access Memory

c) Readable Access Memory

d) Random Account Memory

Page 40: It Handout

CMP-001 40 2nd

Semester - 2011-2012

6. ________________ is a computer storage area that contains one or

more web pages .

a) Website

b) Web Browser

c) Home page

d) ISP

7. 1 GB = ______________

a) 1024 KB

b) 1024 MB

c) 1000 MB

d) 1024 bytes

8. Which of the following is a global network of inter-connected networks?

a) Intranet

b) Extranet

c) WAN

d) Internet

9. Buying or selling via the internet usually using a credit card is called

_______

a) E-Documents

b) E-mail

c) Tele-working

d) E-Commerce

10. Which of the following is a disadvantage of Tele-working?

a) Decrease the employees traveling time.

b) Increase the focus on the work

Page 41: It Handout

CMP-001 41 2nd

Semester - 2011-2012

c) Negative impact on team work

d) Decrease the company area