Stuff To Learn 1.1 - 1.6

Question 1

Advantages and Disadvantages of SSDs

Answer 1

High speed
Expensive
Good capacity
Good reliability
Durable
Portable

Question 2

Advantages and Disadvantages of Magnetic storage devices

Answer 2

Low cost
Low speed
Good reliability
High capacity
Low durability
Not very portable

Question 3

Advantages and Disadvantages of Optical storage

Answer 3

Cheap
Great reliability
Low capacity
Low speed
Portable
Low durability

Question 4

Examples of magnetic storage devices

Answer 4

HDD, Magnetic Tape

Question 5

Examples of Optical Storage

Answer 5

CDs
DVD
Blu - ray

Question 6

Examples of SSD

Answer 6

USB

Question 7

What is Unicode and how many possibilities does it give us?

Answer 7

Developed to account for ever language in the world
Possibilities - 65,536

Question 8

How to solve sound file size?

Answer 8

sound file size = sample rate x duration (s) x bit depth

Question 9

How to solve image file size?

Answer 9

image file size = colour depth x image height (px) x image width (px)

Question 10

How to solve text file size?

Answer 10

text file size = bits per character x number of characters

Question 11

What is bit depth the same as?

Answer 11

Colour depth, bits per pixel

Question 12

Difference between lossy and lossless

Answer 12

Lossy - Permanently loses some data
Lossless - Will not lose any of the original data

Question 13

Examples of utility softwares

Answer 13

Defragmentation
Anti - malware
Encryption
Compression

Question 14

MUFDI ?

Answer 14

Memory Management and Multitasking
User Management
File Management
Device Management and drivers
Interface - User, GUI, CLI

Question 15

What is MUFDI part of?

Answer 15

Operating System - OS

Question 16

What are drivers

Answer 16

Pieces of hardware- Mouse, keyboard etc.

Question 17

Ethical issues?

Answer 17

What is deemed right or wrong by society

Question 18

Legal issues?

Answer 18

Right or wrong in the eyes of the law

Question 19

Cultural issues?

Answer 19

Groups of people with particular beliefs, practices or languages may be affected by an issue

Question 20

Environmental issues

Answer 20

How we impact the natural world

Question 21

Digital Divide

Answer 21

Some people have greater access to technology than others

Question 22

E-waste

Answer 22

Devices ending up in landfill which can cause toxic chemicals to harm wildlife

Question 23

Proprietary software

Answer 23

A license that prevents users from modifying or editing source code
Costs money

Question 24

Data Protection Act

Answer 24

Made in 2018

Rights to data subjects they can see amend and delete personal data held by an organisation.

Question 25

Copyright, Design and Patent Act

Answer 25

Made in 1998 Introduced to protect intellectual property - Anything someone has created

Question 26

Computer Misuse Act

Answer 26

Made in 1990 Introduced to stop hacking and cybercrime