General Knowledge

Question 1

What are the 2 functions of memory management?

Answer 1

Allocating sufficient memory address for other apps

Makes sure data resident in memory is not overridden

Question 2

What 2 things would breach the computer misuse act?

Answer 2

Hacking

Installing of malware

Question 3

What are 3 advantages of using open source?

Answer 3

Free
Adapted to needs
Evolves to needs of community based on responses

Question 4

What are 4 disadvantages of using open source?

Answer 4

UI is poorer
Less support
Hidden costs
Open to abuse such as virus insertion

Question 5

State 2 advantages of storing OS in ROM?

Answer 5

Contents cannot be changed or deleted

Immediate Acess

Question 6

What are 4 hardware issues with an emulator on a newer piece of software?

Answer 6

Instructions processed at same speed
Compensate for colour depth changes
Compensate for resolution changes
Allow modern input devices

Question 7

Explain why Input accuracy on touch screen affects the design of the UI.

Answer 7

Objects being too small

Accuracy of the touch screen calibration

Question 8

Name 3 ways you could improve screen User Interfaces?

Answer 8

Names for menus
Larger Icons
Contrasting Colours

Question 9

State 2 ways in which a Solid State Drive would be better for mobile devices

Answer 9

Less power consumption

Smaller physical size

Question 10

What are some current trends in storage systems?

Answer 10

Reduction in size
More data stored in smaller space
Cost per unit of storage is decreasing
Less power requirements

Question 11

What are some advantages of RAD over the waterfall method of development?

Answer 11

Quicker response to changing customer requirements
Continual contact with customer
Testing is gradual - finding errors quicker
Enjoyable projects
Developed quicker = +economy

Question 12

Name 3 advantages of using server side scripting

Answer 12

Load times are faster
Interactivity is improved
No additional plugins needed

Question 13

Name 3 programming languages used for server side scripting

Answer 13

ASP, JavaScript, PHP

Question 14

What are 2 methods of reducing graphics sizes on a webpage?

Answer 14

Compress all file types

Reduce Resolution

Question 15

Name 7 services of using the cloud

Answer 15

Storage
Encryption
Payment
Peer to peer networks
Public file hosting
Net Drive
Automatic backup of data

Question 16

State 2 ways in which increased number of cores improve load times.

Answer 16

Specific instructions can be allocated to certain processors

Means simultaneous execution

Question 17

What 4 ways can you reduce the file size of a video?

Answer 17

RLE
JPEG
LZW
MPEG

Question 18

State 5 advantages of using a hybrid cloud

Answer 18

Store sensitive data - private
Outsource services to public cloud
Can easily expand public without hardware costs
No new hardware purchases - public
Backup strategies are cheaper - Public

Question 19

What are 2 environmental advantages of upgrading computers rather than buying new ones?

Answer 19

Reduces parts in landfill

Reduces toxic waste

Question 20

What are 2 environmental advantages of buying new computer than upgrading?

Answer 20

Newer computer are built to high environmental standards

Use less power and less carbon footprint

Question 21

Name and explain 3 trends in processor development of smartphones

Answer 21

Reduced Power - Longer battery life
Increased internal registers - increased processing speeds
Wider bus widths - increased processing speeds

Question 22

Describe 3 technologies used to connect a mobile to the network

Answer 22

Bluetooth - Short distance radio wave based system
Wi-Fi - Local Area radio wave based system
3G or 4G - A set of standards that make use of the mobile phone telephone network