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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