Computer MCQs

Page No. 102

Who invented Slide Rules?


aJohn Napier


b William Oughtred


cGottfried Leibnitz


dBlaise Pascal


View Answer William Oughtred

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


aFull-duplex


bSimplex


cHalf-duplex


dNone of the above


View Answer Full-duplex

Serial access memories are useful in applications where:


aData consists of numbers


bShort access time is required


cEach stored word is processed differently


dData naturally needs to flow in and out in serial form



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


aCompiler


bInterpreter


cDebugger


d Assembler


View Answer Assembler

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


a Static RAM


bDynamic RAM


c EPROM


dROM


View Answer Dynamic RAM

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


aHardware


bSoftware


cFirmware


dROM ware


View Answer Firmware

Identify the true statement about computer.


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


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


cComputer is never tired and does not suffer from boredom


d All of above


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


bCompact Data Read Only Memory


c Compactable Disk Read Only Memory


d Compact Disk Read Only Memory



Which of the following is a secondary memory device?


aKeyboard


bDisk


cALU


dAll of the above


View Answer Disk

By programmable machine we mean_____________?


acomputers


bmodern television


c washing machines


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


View Answer computers

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