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Learning Objectives:

List at least five professions in which computers are routinely

used, and describe at least on of the ways computers have

affected the work of people in those professions.

List the four parts of a computer system.

Identify four kinds of computer hardware.

List the two major categories of software and explain the purpose

of each.

List the four most common types of computers available today

and describe what kind of job each does best.

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Computer- an electronic device

used to process data.

abcde

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Hardware - physical parts of the computer

Software - instructions to the computer

Data - raw facts the computer can manipulate

People - also known as users

Computer System:

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Computer Hardware- any partof the computer you can touch.

Processor Memory

Input and Output Devices Storage Devices

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Output

Some types of hardware devices.

Storage

Input

Processor

Input andoutput

Memory

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Software- electronic instructions tothe computer. Also referred to as aprogram.

Two types:

System Software

Application Software

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Operating Systems

Windows 95 Windows 98 OS/2

Disk Utilities

System Software:

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Application Software:

Word Processing

Spreadsheets Graphics

Databases

Entertainment

Educational Communications

Presentation

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Application software and system softwarework together to provide useful output.

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Software brings a computer to life.

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Types of Computers:

Supercomputer

Mainframe

Minicomputer

MicrocomputerMainframe computer

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Who Uses Computers?

Military

Doctors Educators

Engineers Architects

Musicians

Filmmakers Attorneys

Bankers Architects

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A medical team using robodoc to assist in surgery.

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Musicians can use MIDI technology

to compose and edit their work.

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Learning Objectives:

Chapter 1 Review List at least five professions in which computers are routinely

used, and describe at least on of the ways computers have

affected the work of people in those professions.

List the four parts of a computer system.

Identify four kinds of computer hardware.

List the two major categories of software and explain the purpose

of each.

List the four most common types of computers available today

and describe what kind of job each does best.