Internal hardware of the computer

Question 1

What is a backing store?

Answer 1

A non-volatile storage device

Question 2

What does a power supply do?

Answer 2

Converts alternating current to low-voltage direct voltage

Question 3

Name four tasks the processor is responsible for?

Answer 3

Sorting and searching data
Performing calculations
Logical decision making
Control of input, output and storage devices

Question 4

What is the bus system is composed of?

Answer 4

The bus system is composed of the communication links which connect the various parts of the computer

Question 5

What are the 3 buses?

Answer 5

Address bus
Data bus
Control bus

Question 6

Draw the bus diagram

Answer 6

xxx

Question 7

What does main memory do?

Answer 7

Main memory stores program instructions and data that are processed by the processor

Question 8

What does the address bus do?

Answer 8

The address bus specifies a physical address in main memory and the value that is to be read or written into that address is communicated via the data bus

Question 9

What does the control bus do?

Answer 9

the control bus manages data processing; for example, sends a signal to either write from the data bus to a memory address or a signal to read data from a memory address

Question 10

Input and output - ______ _______ received from the _______ include input (read) or _____ (_____) requests. These control signals are the used to connect a ______ bus to specific I/O devices.

PROCESSOR
WRITE
CONTROL
SIGNALS
OUTPUT
SYSTEM

Answer 10

Input and output - control signals received from the processor include input (read) or output (write) requests. These control signals are the used to connect a system bus to specific I/O devices.