Computer Science Quiz

………..separated the programming task from computer operation tasks.

• Algorithms

• Data processors

• High-level programming languages

• Operating systems

THE(A) 17th-century computing machine that could perform addition and subtraction was the……

• Pascaline

• Jacquard loom

• Analytical Engine

• Babbage machine

After the instruction is decoded, the control unit sends the task order to a component in the CPU. What is this phase?

• Fetch phase

• Decode phase

• Execute phase

• None of the others

RAM is used as a short memory because it is

• Volatile

• Has small capacity

• Is very expensive

• Is programmable

• None of the others

For surface organization of magnetic tape, the width of the tape is divided into nine tracks. Nine vertical locations can store 8 bits of information related to a byte plus a bit for……

• Next block

• Data

• Next tape information

• Error detection

IBM-PC is an example of

• A mainframe

• Machine-in-built

• Microcomputer

• Special purpose

• None of the others

Instructions and memory addresses are represented by

• Character codes

• Binary codes

• Binary word

• Parity bit

• None of the others

Computers are extremely fast and have fantastic memories. However, the only thing they can remember is

• Instruction

• Series of 1s and 0s

• Boolean algebra

• Logic theorems

• None of the others

Which of the following is equivalent to 12 in decimal?

• (1110)2

• (C)16

• (15)8

• None of the others

A group containing…… bits in the binary system are represented as one digit in the octal system.

• 1

• 2

• 3

• 4

• None of the others