Computers Part 2 Flashcards Preview

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Flashcards in Computers Part 2 Deck (12):
1

What is utility software

It is a set of tools that can be used to analyse and optimise efficiency

2

What is memory management within the operating system

It is responsible for different programs being requiring the instructions and data to be loaded. In over words multitasking

3

How is the CPU used within the operating system

It allocates CPU time to the different applications because all the components need the cpu to execute the program instructions

4

Does the OS mange the input and output devices

It manages the input and output devices required for the input and output of data

5

Give the example of all peripheral devices (input)

Keyboard
Mouse
Microphone
Webcam
Scanner

6

What is the role of the user interface

The user interface allows the user to communicate with the computer

7

Describe lossless compression

Reduces the size without deleting any of the data. This is important for text files

8

Lossy compression

Reduces the sizes by deleting some of data that can never be brought back

9

What does it mean if a computer is being backed up

Backing up involves the copying of data stored on a computer system onto a separate storage device such as disc or tape

10

What full back up

All of the specific data on the storage device is copied

11

What is incremental backup

Only data that is new or has been changed is copied

12

Name Utility software that have a specific job

Encryption software
Defragmentation
Data compression software
Back up