Extra Class 2

Question 1

Role of the Address bus

Answer 1

Determines where the address data should be read/written to. Also specifies locations

Question 2

Data bus carries . . .

Answer 2

Carries data between the processor, memory, and other devices. Also carries binary coded info between PC components

Question 3

Role of the control bus

Answer 3

For command signals, such as read/write

Question 4

Functions of the control bus

Answer 4

Controls data flow, orders the actions between different hardware, and manages timing and control signals for data transfer.

Question 5

Control bus carries what?

Answer 5

Carries command and control signals that manages the system’s operations

Question 6

Serial bus

Answer 6

Sends a single bit
High frequency
low/few traces

Question 7

Parallel bus

Answer 7

Sends multiple bits
Low frequency
high/more traces

Question 8

Kernel is . . .

Answer 8

The heart of the OS that handles dangerous operations

Question 9

A Kernel offers what?

Answer 9

Offers core services accessing the hardware

Question 10

Scheduler is a . . .

Answer 10

A kernel component

Question 11

Analogue-to-digital Converter (ADC)

Answer 11

Converts analogue signals to digital. AKA Microphone

Question 12

Digital-to-Analogue Converter (DAC)

Answer 12

Writes the analogue output onto the DAC port. AKA speaker

Question 13

Part of an internal architecture of a CPU:

Answer 13

ALU, program counter, registers, and status flags