Operating systems

Question 1

What is an operating system

Answer 1

It is a software that manages a computer system

Question 2

Tyoes of managing peripherals

Answer 2

Sendinf data to a printer/monitor/other valid output device

There is also communication and receiving data input from keyboard/mouse/other valid input device

Question 3

What happens when you manage printing using spooling

Answer 3

Data is stored on a hard disk/in memory/stored in a queue

A document is printed when a printer is free

Benefit of spooling- user can carry on

Question 4

What happens when you manage backing store

Answer 4

• Ensures data is stored and can be retrieved correctly from any disk drive. 
• Creates and maintains filing system such asfile allocation table (FAT) or new technology 
file systems (NTFS). 
• Organises files in a hierarchical directory structure.

Question 5

What happens when you manage RAM?

Answer 5

• Ensures that programs/data do not corrupt each other.
• Ensures that all programs and data, including itself, are stored in correct memory
locations.

Question 6

Managing processes

Answer 6

• Ensures that different processes can utilise the CPU and do not interfere with each other
or crash.
• On a multi-tasking O/S, ensures that all tasks appear to run simultaneously.

Question 7

What happens when you manage security

Answer 7

Allows creation amd deletion of user accounts

Allows used to logon and change passwords

Question 8

Advantges of GUI

Answer 8

Intuitive
Easy to navigate
Uses windows,Icons,Menus and pointers
No complicated commands
Data between different software applications is easily exchanged

Question 9

Disadvantes of GUI

Answer 9

Requires a large amount of memory
Is relatively processor intensive
Computing experts may find a GUI slower than a CLI
GUI’s take up a larger amount of hard disk space than other interfaces