7 Fundametals Of Computer Organisation And Arcitecture

Question 1

Processor

Answer 1

Executes program instructions

Question 2

Main memory

Answer 2

ROM + RAM
Stores program instructions and frequently used data
Fast

Question 3

RAM

Answer 3

Random access memory

Question 4

ROM

Answer 4

Read only memory

Question 5

Bus

Answer 5

Series of parallel wired that connects internal components

Question 6

Width of a bus

Answer 6

The number of parallel wires

Question 7

Relationship between width and number of bits that can be transferred simultaneously

Answer 7

Direct

Question 8

Address bus

Answer 8

Transports memory addresses
Adding one wire doubles the number of addressable memory locations
Unidirectional

Question 9

Data bus

Answer 9

Sends data + instructions
Bidirectional

Question 10

Control bus

Answer 10

Carries control signals and clock signals
Bidirectional

Question 11

I/O controllers

Answer 11

Hardware that controls the communication of data between the processor and external hardware devices

Question 12

Laser printer

Answer 12

Drum is positively charged
Laser discharges parts of the drum based on a bit map
Negatively charged toner is released and is attracted to the positively parts of the drum
Toner is applied to the paper
Paper is heated to fuse the toner
To print in colour 4 toners are used