Computer Hardware

1) Full name of RAM ……

Answer Is: (A) Random Access Memory

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2) Voltage is measured :

Answer Is: (A) in parallel

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3) Which MS DOS command is use to change from one directory to another .

Answer Is: (A) CD

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4) What is the modern habg up command ?

Answer Is: (B) ATH

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5) You see the message "invalid media device " after installing a new hard drive . What do you do

Answer Is: (A) Format

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6) Which Motherboard form factor uses one 20 pin connector

Answer Is: (A) ATX

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7) Which command is the DOS shell in MS DOS .

Answer Is: (C) COMMAND.COM

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8) Which MS DOS command is use to helps to create and manage partitions in hard disk .

Answer Is: (A) FDISK

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9) RS-232 is a standard that applies to :

Answer Is: (B) serial ports

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10) Which peripheral port provides the FASTEST throughput to laser printers ?

Answer Is: (D) Parallel

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11) CMOS is a typr of ?

Answer Is: (D) RAM

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12) Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers ?

Answer Is: (D) characters per second

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13) Modern use transmission .

Answer Is: (B) asynchronous

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14) ROM stands for

Answer Is: (B) read only memory

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15) How many pins on a VGA ?

Answer Is: (A) 15

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16) The * , ? Characters in MS DOSare called ?

Answer Is: (D) Wild cards

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17) `main store` of CPU is also called

Answer Is: (D) both A and B

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18) Which MS DOS command is use to opens a full screen editor ?

Answer Is: (B) EDIT

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19) …..help prevent power surges .

Answer Is: (D) Surge suppressor

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20) Which MS DOS command is use to copares 2 files .

Answer Is: (A) FC

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21) The floppy drive uses which DMA (direct memory access) channel ?

Answer Is: (D) 2

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22) Which of the following will you require to hear music on your computer ?

Answer Is: (C) Sound card

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23) Memory which can be written only once is called ?

Answer Is: (B) ROM

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24) Input and Output devices such as monitors and keywords are classified as …

Answer Is: (C) peripheral devies

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25) Which wild card matches a single character .

Answer Is: (B) ?

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26) Which MS DOS command is use to prints a file to the default printer .

Answer Is: (C) PRINT

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27) Which MS DOS command is use to edits text data linr by time .

Answer Is: (C) EDLIN

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28) The terms "red boook " , "yellow book " , and "orange book " refer to :

Answer Is: (A) CD-ROM standards

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29) Which MS DOS command is use to expands a compressed file .

Answer Is: (D) EXPAND

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30) If a quantity in device is treated as different set of separate values , device is said to be ..

Answer Is: (A) digital

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31) A hard disk is divided into tracks which are further subdivided into

Answer Is: (B) sectors

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32) The DC voltage on most circuit boards is :

Answer Is: (C) plus 5 volts

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33) What could cause a fixed disk error.

Answer Is: (D) Incorrect CMOS settings

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34) Resistance is measured in ?

Answer Is: (D) Ohms

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35) A sound card typically uses which IRQ ?

Answer Is: (B) 5

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36) Devices that are controlled by central processing unit but are not a part of it are called …

Answer Is: (A) peripheral devices

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37) In ROM BIOS , the acronym BIOS stands for :

Answer Is: (C) Basic Input Output System

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38) Which MS DOS command is use to display memory usage datails ….

Answer Is: (B) MEM

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39) Memory which can be erased and reprogrammed is called ?

Answer Is: (C) EPROM

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40) Which MS DOS command is use to display disk label .

Answer Is: (D) LABEL

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41) What Voltage does a pentium system use ?

Answer Is: (B) 3.3 volts

Explanation:

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42) With respect to a network interface card , the term 10/100 refers to

Answer Is: (C) megabits per second

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43) Which wild card matches any number of chracter in the name ?

Answer Is: (A) *

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44) Which MS Dos command is use for displays volume details.

Answer Is: (A) VOL

Explanation:

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45) Which values are held in CMOS for the hard drive ?

Answer Is: (A) size (heads ,cylinder , sectors )

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46) Which standard govern parallel communications ?

Answer Is: (D) IEEE 1284

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47) Laser printer is

Answer Is: (D) floppy drive

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48) Two type of memories `RAM` and `ROM` are part of ..

Answer Is: (B) main memory

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49) Magnetic tape unit and magnetic disc unit but are classic example of

Answer Is: (B) backing devices

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50) Visual display unit is an example of

Answer Is: (B) input/output devices

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