OCR GCSE Computing (2012) - CPU, Memory and Binary Logic

Question 1

What part of the CPU controls the flow of data within the CPU?

Accepted Answer

Control Unit

Question 2

What does CPU stand for?

Accepted Answer

Central Processing Unit

Question 3

Which diagram represents the hardware components of a computer?

Accepted Answer

B

Question 4

How many processors are there in a Quad-core CPU?

Accepted Answer

4

Question 5

Which diagram represents the fetch execute cycle?

Accepted Answer

C

Question 6

What does RAM stand for?

Accepted Answer

Random Access Memory

Question 7

What does ROM stand for?

Accepted Answer

Read Only Memory

Question 8

Which logic gate is represented by this truth table?

Accepted Answer

OR

Question 9

What term is used to describe the physical parts of a computer system?

Accepted Answer

Hardware

Question 10

What is the purpose of ROM?

Accepted Answer

used to store the bootstrap loader

Question 11

What architecture is the basis for all modern digital computers?

Accepted Answer

von Neuman

Question 12

Data and instruction are stored in RAM as...

Accepted Answer

Binary Numbers

Question 13

What is the term used to identify the part of the hard drive used as an extension to RAM?

Accepted Answer

Virtual Memory

Question 14

Which is the correct symbol for a NOT gate?

Accepted Answer

C

Question 15

Which of the following are volatile?

Accepted Answer

RAM, Cache, Virtual Memory

Question 16

What is measured in hertz (Hz)?

Accepted Answer

Clock Speed

Question 17

What logic gate is represented by this truth table?

Accepted Answer

AND

Question 18

What is the purpose of RAM?

Accepted Answer

used for storage of files and applications in use

Question 19

Which is the correct symbol for an OR gate?

Accepted Answer

A

Question 20

Which is the correct symbol for an AND gate?

Accepted Answer

D

Question 21

Which of the following has the fastest access time?

Accepted Answer

Cache

Question 22

Which diagram represents the transfer of data to the CPU?

Accepted Answer

A

Question 23

Which of the following has the slowest access time?

Accepted Answer

Virtual Memory

Question 24

What is the purpose of cache?

Accepted Answer

used to store data waiting to be processed by the CPU

Question 25

What part of the CPU carries out the arithmetic and logical operations?

Accepted Answer

ALU

Question 26

Which of the following are non-volatile?

Accepted Answer

ROM

Question 27

Which CPU would give the best overall performance for multi-tasking?

Accepted Answer

Quad Core, 2.5GHz, 8MB Cache

OCR GCSE Computing (2012) - CPU, Memory and Binary Logic

Questions 27

OCR GCSE Computing (2012) - CPU, Memory and Binary Logic

Questions 27