Operating System

Question 1

What is an operating system?

Answer 1

Set of instructions that control the running of the computer

Question 2

What are functions of an operating system?

Answer 2

• file management
• memory management
• input/output management
• resource allocation
• error reporting
• interpreters user commands/HCI

Question 3

What is file management?

Answer 3

• creating/deleting files
• organised and tracks files
• control access, editing and deletion

Question 4

What is memory management?

Answer 4

• operating system allocates suitable storage location in computers memory
• loads programs into memory ensuring each program has the memory required to run

Question 5

What is input/output management?

Answer 5

• controls all devices attached to the computer
• performs transfer of data between peripherals and memory
• communicates with processor and peripherals

Question 6

What is resource allocation?

Answer 6

• allocated programs, their required memory and CPU time
• ensures processor is kept constantly busy
• only one task can be carried out at any one time by a single processor

Question 7

What is error reporting?

Answer 7

The operating system lets the user know if any mistakes have occurred

Question 8

What is interpreters user commands/ HCI?

Answer 8

• takin instructions/commands from the user
• checks them
• send to the correct part of the OS to be carried out
• the OS provides the means of the user communicating with the computer system
• HCI, CUI & WIMP