Software

Question 1

What is Application Software?

Answer 1

Application software
Programs designed for an end user to do a particular task, such as word-processing and spreadsheet programs

Question 2

What is System Software?

Answer 2

System software Includes the operating system and all utility programs that enable the computer to operate its hardware and applications software

Question 3

Explain Operating System

Answer 3

Is a piece of software which manages all other programs on the computer

Question 4

Windows is an example of ________?

Answer 4

Operating system

Question 5

Functions of operating system

Answer 5

1) Allocates memory
2) Allocates Storage
3) Processing time

Question 6

What is Allocates memory

Answer 6

Organises the use of main memory between programs and data files as they are transferred to and from the hard disc.

Question 7

What is Allocates storge

Answer 7

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

Question 8

What is Processing time

Answer 8

Allocates processing time between the programs that are currently in use by dividing the time into a number of time slices and, depending on the priority of the tasks to be processed, each task is allocated a number of these time slices.

Question 9

What is a Utility Application?

Answer 9

A program that carries out a specific task to assist the operating system.

Question 10

Examples of Utility Application

Answer 10

1) Disk Defragmentation
2)Task Scheduling
3)Data backup and restore

Question 11

Explain Disk Defragmentation

Answer 11

File is broken down into a number of blocks by the operating system which is then stored on free block space on the disk

Question 12

Explain Task Scheduling

Answer 12

The operating system allocates processing time based on task priority

Question 13

What is Real Time Processing

Answer 13

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

Question 14

What is Batch Processing

Answer 14

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

Question 15

Multi-User Processing

Answer 15

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

Question 16

What is the type of file which stores new data?

Answer 16

Transaction File

Question 17

What file contains current customer information Information

Answer 17

Master file

Question 18

What is Backup

Answer 18

A second copy of a file made and stored on a different storage device in case the original file gets lost, or becomes corrupted or physically damaged

Question 19

Why do you need to backup?

Answer 19

1) Accidently delete the file
2) Virus corrupts the file
3)Hard Disk Fails

Question 20

Explain Virus

Answer 20

A program that attaches itself into a file and when the file is open, its spreads itself to other files and other computers in the same internet

Question 21

Explain Anti Virus

Answer 21

Software that scans files stored on a computer system, looking for a virus, and compares these to a known database of viruses; it can eliminate a virus