Computer Mcqs

Who invented Slide Rules?

A. John Napier
B. William Oughtred
C. Gottfried Leibnitz
D. Blaise Pascal

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

A. Full-duplex
B. Simplex
C. Half-duplex
D. None of the above

Serial access memories are useful in applications where:

A. Data consists of numbers
B. Short access time is required
C. Each stored word is processed differently
D. Data 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?

A. Compiler
B. Interpreter
C. Debugger
D. Assembler

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

A. Static RAM
B. Dynamic RAM
C. EPROM
D. ROM

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

A. Hardware
B. Software
C. Firmware
D. ROM ware

Identify the true statement about computer.

A. Computers are 100% accurate but it can suffer from GIGO (Garbage In Garbage Out)
B. Computers are reliable because they use electronic component which have very low failure rate
C. Computer is never tired and does not suffer from boredom
D. All of above

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

A. Compactable Read Only Memory
B. Compact 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?

A. Keyboard
B. Disk
C. ALU
D. All of the above

By programmable machine we mean_____________?

A. computers
B. modern television
C. washing machines
D. anything that can be set to perform different tasks with suitable programs