1.2 - operating systems

Question 1

multi-tasking OS

Answer 1

Each active program is scheduled to receive a slice of processing time in quick rotation, giving the impression they are operating at the same time.

Question 2

multi-user OS

Answer 2

Allows more than one person to use a computer at the same time.

Question 3

distributes OS

Answer 3

Combines the processing power of multiple computers across a network for a single task.

Question 4

embedded OS

Answer 4

Tend to run on dedicated hardware so they run with maximum efficiency, using low-powered processors and very little memory.

Question 5

real-time OS

Answer 5

Processes have to be guaranteed to execute within a known time frame.

Question 6

Name the 5 types of operating systems.

Answer 6

1. multi-tasking
2. multi-user
3. distributed
4. embedded
5. real-time

Question 7

operating system

Answer 7

Controls the hardware and software of a computer system and provides a user interface.

Question 8

Basic Input Output System (BIOS)

Answer 8

Responsible for loading the OS when the computer first turns on.

Question 9

bootstrap

Answer 9

Used to load the OS kernel into memory.

Question 10

device driver

Answer 10

Software that tells the OS how to communicate with a device.

Question 11

virtual machine

Answer 11

A program that has the same functionality as a physical computer.