Pages in this set

Page 1

Preview of page 1
Unit 1
Phones
Choosing a phone:

Picture resolution (pixels)
Camera resolution (megapixels)
Storage capacity (gigabytes)
Memory card (gigabytes)

SD and SDHC cards: flash memory cards, SD (2GB), SDHC (32GB)
Wi-Fi: wireless fidelity. Long-range data transfer.
Bluetooth: Short-range data transfer.
User Interface: the way in which a user interacts with a…

Page 2

Preview of page 2
Processor (CPU): The faster the processing speed and power the computer uses.
Memory: RAM (random access memory), the higher the RAM the more programs you
can access and open at once.
Hard-drive size: The primary storage of the computer, the size of the hard drive is
measured in bytes.
Wireless…

Page 3

Preview of page 3
Economic:
o People with technological skills get better paid jobs
o The internet gives people a wider access to products and services.
Educational:
o Students who use computers at home or school can become independent
learners.
o People can take part in online courses to improve their skills.
Social:
o…

Page 4

Preview of page 4
Unit 2
Identity
Microchip: an electronic circuit used to control computers and most other electronic devices.
Biometrics: an automated method of recognising a person based on their physical
characteristics.
Connectivity
Cloud computing: A system in which all computer programs and data is stored on a central
server owned by a…

Page 5

Preview of page 5
Unit 3
Multi-Media

Choosing a laptop:

Features
Functions
Hard-disk drive
Performance
Connectivity
Future Proofing
Upgradability
Support

High Definition (HD): HD has more lines of pixels on the screen, so it produces a clearer and
sharper picture.
Blu-ray: a disk that enables the recording, rewriting and playback of high-definition video and…

Page 6

Preview of page 6
Types of network:

Ethernet cable: A cabled connection which connects via an interface card, has three
different speeds; basic, fast and Gigabit.
Wireless: Allows computers to communicate with radio and microwaves.
Powerline: Uses the existing mains power circuits in the house for data transmission

A router connects all computers to…

Page 7

Preview of page 7
Working

Computer-related health problems:
Back pain
Eye Strain
Repetitive strain injury (RSI)
Stress
Breaks
Training
Eye Care

Dongle: a small piece of hardware that connects to a computer and has uses including data
storage and picking up Bluetooth and 3G signals.
Wiki: a type of website that encourages collaboration by…

Page 8

Preview of page 8
Unit 5
Online Accounts
Validation: the process of checking that the data entered is reasonable or one of the expected
options.
Verification: The process of checking that the data entered is accurate.


Online Fraud
Credit card: a card which enables a person to buy goods and services without the need…

Comments

No comments have yet been made

Similar ICT resources:

See all ICT resources »