A451 Revision PPE - Hardware

Question 1

Define a computer system.

Accepted Answer

Collection of parts that work together for a common purpose.

Question 2

Non-volatile memorywhich stores the boot program

Accepted Answer

ROM

Question 3

The CPU main function

Accepted Answer

Fetch - Decode - Execute

Question 4

Memory or storage that has data stored on it that cannot be changed.

Accepted Answer

ROM

Question 5

Solid state storage has not movable parts.

Accepted Answer

TRUE

Question 6

Cache memory is

Accepted Answer

Temporarily held instructions/data, CPU is likely to reuse

Question 7

Flash memory

Accepted Answer

Memory in a computer. Electronic transistors to store data.

Question 8

What is virtual memory?

Accepted Answer

Section of a storage drive which is temporarily used as RAM

Question 9

Memory that is constantly being written to and read from.

Accepted Answer

RAM

Question 10

ALU Stand for:

Accepted Answer

Arithmetic logic unit

Question 11

The CPU's clock speed speed is commonly measured in:

Accepted Answer

GHz, Gigahertz

Question 12

The CPU has two main components, what are they?

Accepted Answer

ALU and Control unit

Question 13

The ALU performs all the:

Accepted Answer

Arithmetic and logical operations within the CPU

Question 14

How do you feel on this topic?

Accepted Answer

BAD, GOOD, SUPER STRONG, POOR

Question 15

Computer system - Examples wherereliability is particularly important:

Accepted Answer

Banking, Life-support, Aircraft systems

Question 16

Outline of a system. What is missing

Accepted Answer

Processes

Question 17

Volatile memory...

Accepted Answer

Stores information to run programs while the computer is on.

Question 18

Common use for optical storage.

Accepted Answer

Commonly used tostore media such as films, music and games

Question 19

What does the secondary storage normally hold

Accepted Answer

For data andprograms are stored when not being used.

Questions 19