Definitions

Question 1

Accumulator (ACC)

Answer 1

A register that temporarily stores the results of operations performed by the ALU

Question 2

Address Bus

Answer 2

Carries the memory location address FINISH

Question 3

Arithmetic and Logic Unit (ALU)

Answer 3

Part of the CPU that performs arithmetic calculations and logical operations on data for computer programs

Question 4

Buses

Answer 4

Set of parallel wires connecting and carrying groups of bits between computer components

Question 5

Cache

Answer 5

Small and fast memory used to store and access frequently used data and instructions

Question 6

Clock Speed

Answer 6

The frequency at which the internal clock generates signals switching between 0 and 1
Controls how often how often instructions are executed and data is fetched

Question 7

Contemporary Processor Architecture

Answer 7

A modern computer architecture containing elements of Harvard and Von Neumann

Question 8

Control Bus

Answer 8

A bi-directional bus carrying control signals from the CU to synchronise access and use of data

Question 9

Control Unit

Answer 9

Part of the CPU that controls and manages the execution of instructions

Question 10

Current Instruction Register (CIR)

Answer 10

A register that stores the current instruction while its decoded

Question 11

Data Bus

Answer 11

A bi-directional bus carrying data and instructions between the processor and memory