Operating Systems

Question 1

Software

Answer 1

A set of programs that run on a computer system

Question 2

Types of software

Answer 2

1. System software
2. Application software

Question 3

Operating system

Answer 3

Manages hardware and software resources

Question 4

Application software

Answer 4

Performs a task that would otherwise be done by hand

Question 5

Examples of Application software

Answer 5

Word, PowerPoint, Excel, Google Chrome

Question 6

System software

Answer 6

Allows a computer to run and to be maintained

Question 7

Types of system software

Answer 7

1. Operating systems
2. Utility software

Question 8

1. Without OS,

Answer 8

No programs will run (Provides user interface)

Question 9

2. Why won’t programs run without OS?

Answer 9

Because an operating system is responsible for communicating with the computer hardware

Question 10

3. What does OS provide a platform for?

Answer 10

Games, browsers & music players

Question 11

The kernel

Answer 11

The heart of the OS, is responsible for looking after ‘the most low-level hardware instructions’

Question 12

Example of The kernel

Answer 12

Sending instructions to RAM and CPU (FDE cycle)

Question 13

Functions of OS

Answer 13

• Memory management
• Peripheral management
• Multi-tasking
• User management
• User interface

Question 14

Memory management

Answer 14

Process which controls primary and secondary storage making sure programs run efficiently

Question 15

Peripheral management

Answer 15

Communication with external devices like printers and keyboards

Question 16

Multi-tasking

Answer 16

Computer’s ability to run more than one program at the same time

Question 17

User management

Answer 17

A computer system monitors the access of different users (creating accounts)

Question 18

User interface

Answer 18

Allows a user to interact with the computer (screens, menus & buttons)