Chapter 18: Software

Question 1

Software

Answer 1

The set of programs run by a computer system

Question 2

Operating System

Answer 2

Software designed for particular hardware & which manages other programs’ access to the hardware

Question 3

Utility software

Answer 3

Software that does a useful job for the user that is not essential to the OS

Question 4

Application software

Answer 4

Software designed to help a user carry out a specific task

Question 5

OS

Answer 5

• Stored on hard disk
• Loaded into memory from hard disk when computer starts up

Question 6

OS Functions

Answer 6

Manages hardware device & provides user interface. It shares computing resources between processes and manages user’s access to input/output & files on secondary storage

Question 7

Utility software Functions

Answer 7

Defragmentation
Data compression
Back-up
File conversion
Anti-virus
Anti-spyware

Question 8

Defragmentation

Answer 8

Re organise stored files for faster access

Question 9

Data compression

Answer 9

Make files smaller in size

Question 10

Back-up

Answer 10

Create copies of files to be used in case of deletion

Question 11

File conversion

Answer 11

Change one file type to another

Question 12

Anti-virus

Answer 12

Scan, isolate, delete known viruses

Question 13

Anti-spyware

Answer 13

Block hackers from viewing data