LESSON 21 – COMPUTER HARDWARE

1 Eight ____________ make one charactera. Bitsb. Bytesc. Charactersd. Codes

2 _________ is a kind of printer that creates output by drawing lines with pensa. Diskettesb. Plotterc. Dot-Matrixd. Lazer

3 __________ is a short-term memorya. ROMb. RAMc. Diskd. Floppy

4 Printer is a ______ devicea. Peripheralb. Controllerc. Inputd. USB

5 ___________ is considered the brains of the computera. ALUb. CPUc. RAMd. ROM

6 ____________ is nonvolatile and is used to store permanent instructions needed for computer operations

a. ALUb. CPUc. RAMd. ROM

7 __________ is the main memory of the computera. ALUb. CPUc. RAMd. ROM

8 _________ is a standard code used to represent the alphabet, numbers, symbols and

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punctuation marks.a. ASCII codeb. ESCII codec. ALPHA coded. BETA code

9 ___________ is a volatile memorya. ALUb. CPUc. RAMd. ROM

10 A __________ drive is located in another computer or server that provides space for storage

a. CD-ROMb. Networkc. DVDd. WORM

11 Full length movies can be stored on a _________a. CD-ROMb. Networkc. DVDd. WORM

12 __________ is an optical storage devicea. Zip Drivesb. CD-ROMc. Jaz Drivesd. Magnetic Tape drives

13 ___________ can store upto 680MB of dataa. CD-ROMb. Networkc. DVDd. WORM

14 ______________ are used for making backup copies of large volumes of dataa. Zip Drivesb. Hard disk drivesc. Jaz Drivesd. Magnetic Tape drives

15 ____________ drives make it possible for you to create your own CD-ROM disksa. CD-Rb. Hard disk drives

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c. Jaz Drivesd. Magnetic Tape drives

16 ___________ are used to store data inside of the computera. Zip Drivesb. Hard disk drivesc. Jaz Drivesd. Magnetic Tape drives

17 _____________ use laser technology to read and write data on silver plattersa. Zip Drivesb. Hard disk drivesc. Optical storage devicesd. Magnetic Tape drives

18 ____________ are usually called diskettes and have a capacity to store 1.44MB of data

a. CD-ROMb. Networkc. Floppy diskettesd. WORM

19

Fill in the table below with the corresponding numbers from the figure above:Component Matching Number

from the figure above Leads to system busCylindersAccess MechanismFront PanelSpindleConnection to PowerAccess Arms

20 The speed of dot matrix printer is measured in ________

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2 3 41

5

67

a. dpi (Dots per inch)b. cps (Characters per second)c. ppm (pages per minute)d. rpm

21 Printer speed is measured in _____________a. dpi (Dots per inch)b. cps (Characters per second)c. ppm (pages per minute)d. rpm

22 Printer quality is measured in ______________a. dpi (Dots per inch)b. cps (Characters per second)c. ppm (pages per minute)d. rpm

23 ________ printers use mechanism that actually strikes the paper to form imagesa. Nonimpactb. Impactc. Laserd. Inkjet

24 _________ printers form characters without striking the papera. Nonimpactb. Impactc. Dot matrixd. Daisy wheel

25 __________ is an example of impact printera. Laserb. Inkjetc. Dot matrixd. Nonimpact

26 __________ is an example of nonimpact printera. Laserb. Daisy wheelc. Dot matrixd. Nonimpact

27 In laser printer, image is made with a powder substance called ________a. Powderb. Tonerc. Inkd. Color

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28 __________ is number of pixels or dots that a monitor can displaya. Resolutionb. Dotsc. Monitord. Pixels

29 ________ measures the distance between pixelsa. Resolutionb. Dotsc. Monitord. Dot pitch

30 _________ is an input device used for playing gamesa. Mouseb. Joystickc. Scannerd. Keyboard

31 _________ scanners read encoded information on the back of credid cardsa. Imageb. Barcodec. Magneticd. Color

32 __________ scanners read bar lines that are printed on productsa. Imageb. Barcodec. Magneticd. Color

33 ___________ scanners convert images into electronic form that can be stored into computer’s memory.

a. Imageb. Barcodec. Magneticd. Color

34 ___________ are devices that can change images into codes for input to the computer

a. Printerb. Scannerc. Projectord. Keyboard

35 _________ is an on-screen arrow shaped object used to select text and access menusa. Mouse

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b. Pointerc. Icond. Object

36 __________ is a pointing device that controls the pointer on the screena. Mouseb. Pointerc. Icond. Object

37 __________ is the most common input device for entering numeric and alphabetic data

a. Mouseb. Scannerc. Keyboardd. Trackball

38 Which of the following is an output device?e. Mousef. Plotterg. Keyboard h. Trackball

39 Which of the following is both an input and output device?a. Monitorb. Modem c. Speakerd. Joystick

40 Ability to type without having to look at the keys is calleda. Typingb. Typewritingc. Computingd. Keyboarding

41 __________ keys are used to give the computer commandsa. Modifierb. Functionc. Arrowd. Numeric

42 ___________ keys allow you to move the position of the cursor on the screena. Modifierb. Functionc. Arrowd. Numeric

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43 A letter or a number must be depressed while the ____________ key is helda. Modifierb. Functionc. Arrowd. Numeric

44

In the above figure item 1 points to _____________a. Function keysb. Directional keysc. Numeric Padd. Typewriter keyboard

In the above figure item 2 points to _____________a. Function keysb. Directional keysc. Numeric Padd. Typewriter keyboard

In the above figure item 3 points to _____________a. Function keysb. Directional keysc. Numeric Padd. Typewriter keyboard

In the above figure item 4 points to _____________a. Function keysb. Directional keysc. Numeric Padd. Typewriter keyboard

45 ________ instruction is stored in ROM chipa. BIOS ROMb. ASCII

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1 2 3 4

c. CODEd. IPOS

46 A computer can read from a ________ chip, but cannot write or store data on the chip

a. RAMb. CPUc. ALUd. ROM

47 __________ is the amount of time CPU takes to retrieve the instruction and complete the command

a. Execution cycle (E-cycle)b. Instruction cycle (I-cycle)c. Machine cycled. Life cycle

48 __________ is the amount of time it takes the CPU to execute the instruction and store the results in RAM

a. Execution cycle (E-cycle)b. Instruction cycle (I-cycle)c. Machine cycled. Life cycle

49 Instruction cycle and one or more Execution cycle create a __________a. Execution cycle (E-cycle)b. Instruction cycle (I-cycle)c. Machine cycled. Life cycle

50 Machine cycles are measured in ________a. Microsecondsb. Megasecondsc. Millisecondsd. Kilometers

51 When a computer is turned off whatever is stored in ________ chips disappearsa. RAMb. CPUc. ALUd. ROM

52 Expansion boards are also called as expansion cards, add-ins, and _____a. Add-upsb. Add-allsc. Add-onsd. Add-ings

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53 Each one or a zero in the computer’s binary language is a ______a. Bitb. Bytec. Characterd. Word

54 Eight bits are called a ______a. Bitb. Bytec. Numberd. Word

55 ________ is a device that controls the transfer of data from the computer to a peripheral device and vice versa.

a. Controllerb. CPUc. ALUd. Data

56 __________ is a language that contains only zeros and ones.a. Programmingb. Cobolc. C++d. Machine

57 CPU has two primary sections: the arithmetic/logic unit and the ______ unita. controlb. controllerc. machined. contact

58 ___________ is also called the microprocessora. ALUb. CUc. CPUd. ICU

59 __________ performs arithmetic computations and logical operationsa. ALUb. CUc. CPUd. ICU

60 ___________ Operations involve comparisons such as if two numbers are equal or if one number is greater than or less than another number.

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a. Arithmeticb. Logicalc. Numericald. Mathematical

61 IPOS stands for _____________a. Information, Program, Output, Storageb. Input, Process, Output, Storagec. Input, Process, Output, Systemd. Input, Progress, Output, System

62

The figure above represents a _________ chipa. RAMb. ROMc. CPUd. ALU

63

Label the motherboard components in the table from the above figure:ITEM COMPONENT NAME12

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1

8

7

6

2 3

9 10

5

4

345678910

64 The ascending order of storage devices according to their capacity is:a. Floppy disk, CD, DVD, Hard diskb. Hard disk, CD, DVD, Floppy diskc. CD, DVD, Floppy disk, hard diskd. DVD, CD, Floppy disk, Hard disk

65 _______ is NOT an input devicea. Graphics Tabletb. Voice recognition devicec. Plotterd. Touch display screen

END OF LESSON 21 QUESTIONS

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