Software

Question 1

Application software

Answer 1

Enables the computes to do q particular task, such as word processing

Question 2

System software

Answer 2

The interface between computer hardware and user application programs

Includes operating system + utility programs

Question 3

Functions of system software

Answer 3

Allocating memory, storage, processing time

Question 4

Allocating memory

Answer 4

Organises the use of main memory between programs and data files on external devices, such as hard drives

Question 5

Storage

Answer 5

The operating system manages the storage of data and files on external devices, such as a hard drive.

Question 6

Processing Time

Answer 6

Allocates processing time between the programs that are currently in use by dividing the time into a number of time slices

Question 7

Real - time processing

Answer 7

Processing of data occurs immediately data is input and updating occurs before next input occurs

Examples- airline/ concert booking systems, air traffic control systems

Question 8

Batch processing

Answer 8

Data is collected over a period of time, such as a day, and is processed together at a later time, such as overnight

Examples- billing systems, banking systems

Question 9

Multi-user system

Answer 9

The operating system switches between computers, giving each one a ‘time slice’

Example - multi-user database management systems