Computer MCQs

Page No. 102

Who invented Slide Rules?


aJohn Napier

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b William Oughtred

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cGottfried Leibnitz

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dBlaise Pascal

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View Answer William Oughtred

In_______________mode, the communication channel is used in both directions at the same time?


aFull-duplex

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bSimplex

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cHalf-duplex

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dNone of the above

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View Answer Full-duplex

Serial access memories are useful in applications where:


aData consists of numbers

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bShort access time is required

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cEach stored word is processed differently

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dData naturally needs to flow in and out in serial form

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What do you call the translator which takes assembly language program as input & produce machine language code as output?


aCompiler

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bInterpreter

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cDebugger

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d Assembler

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View Answer Assembler

Which of the following memories must be refreshed many times per second?


a Static RAM

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bDynamic RAM

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c EPROM

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dROM

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View Answer Dynamic RAM

The programs which are as permanent as hardware and stored in ROM is known as___________?


aHardware

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bSoftware

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cFirmware

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dROM ware

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View Answer Firmware

Identify the true statement about computer.


a Computers are 100% accurate but it can suffer from GIGO (Garbage In Garbage Out)

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bComputers are reliable because they use electronic component which have very low failure rate

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cComputer is never tired and does not suffer from boredom

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d All of above

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View Answer All of above

One of the popular mass storage device is CD ROM. What does CD ROM stand for?


aCompactable Read Only Memory

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bCompact Data Read Only Memory

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c Compactable Disk Read Only Memory

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d Compact Disk Read Only Memory

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Which of the following is a secondary memory device?


aKeyboard

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bDisk

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cALU

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dAll of the above

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View Answer Disk

By programmable machine we mean_____________?


acomputers

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bmodern television

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c washing machines

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danything that can be set to perform different tasks with suitable programs

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View Answer computers

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