Operating Systems and Computer architecture (IGCSE)

Question 1

Data Bus is Unidirectional (signals travel in one direction)?

Accepted Answer

False

Question 2

Which of these are examples of Interrupts?

Accepted Answer

All

Question 3

In computing, booting is the process of starting/restarting a computer?

Accepted Answer

True

Question 4

A Register is a memory location..?

Accepted Answer

True

Question 5

What is the full form of CIR?

Accepted Answer

Current Instruction Register

Question 6

The action of putting data into memory is called....?

Accepted Answer

writing

Question 7

How many major components are there in Von Neumann architecture?

Accepted Answer

4

Question 8

Address Bus is Unidirectional (signals travel in one direction)?

Accepted Answer

True

Question 9

Operating system is an application software?

Accepted Answer

False

Question 10

An interrupt is...?

Accepted Answer

a signal

Question 11

What carries data between CPU & Memory?

Accepted Answer

Data Bus

Question 12

Microsoft Windows is an?

Accepted Answer

Operating System

Question 13

What is true about operating system and applications?

Accepted Answer

The operating system is always installed first then apps

Question 14

When spooling, where does the computer store job references?

Accepted Answer

In a queue, In a buffer

Question 15

Right sequence of Fetch Execute cycle is?

Accepted Answer

PC, MAR, MDR, CIR........

Question 16

What does the Accumulator do?

Accepted Answer

Where intermediate, arithmetic and logic results stored

Question 17

Your computer needs a motherboard?

Accepted Answer

True

Question 18

This register contains a memory address....

Accepted Answer

MAR

Question 19

What does the ALU do?

Accepted Answer

Perform arithmetic and logical operations

Question 20

Which one of the following is NOT an example of an operating system?

Accepted Answer

Google Chrome

Question 21

What is the function of the Memory Address Register?

Accepted Answer

Stores address of data or instruction that is to be feteched

Question 22

The most widely used operating system/s?

Accepted Answer

Mac OS X, Windows

Question 23

Once the interrupt has been fully serviced, the status of the interrupted task is reinstated.

Accepted Answer

True

Question 24

What is the full form of PC?

Accepted Answer

Program Counter

Question 25

What is meant by the term 'Buffering'

Accepted Answer

Downloading a certain amount of data into a temporay storage

Operating Systems and Computer architecture (IGCSE)

Questions 25

Operating Systems and Computer architecture (IGCSE)

Questions 25