Keywords (know what they mean!):

Input device, output device, CPU, microprocessor, mobile technology, file server, LAN, WAN, hardware, software

Types of memory:

ROM, RAM, Virtual, Printer buffer

Units of memory (in order of size):

Byte, Kb, Mb, Gb, Tb

Storage devices:

DVD, CD, Memory stick, online, magnetic tape, floppy disk, hard disk

Advantages of the Internet:

Sharing of resources e.g. software, knowledge

Online shopping – quicker, easier, sometimes cheaper

Cheap, global communications

More flexibility at work e.g. work at home, on the move

Small business can compete globally

Dangers of the Internet:

Fraud

Theft of personal data

Invasion of privacy

Obesity crises

Less face-to-face contact

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Test It!

What type of device are the following? Keyboard, joystick, webcam, barcode reader, optical mark reader.

For each of the devices named above, list two advantages and two disadvantages.

What type of device are the following? Inkjet printer, laser printer, TFT monitor, stereo speakers, robotic arm.

For each of the devices named above, list two advantages and two disadvantages.

A hardware store has recently installed a new computer system that has Internet access. What are the possible advantages and disadvantages of this new Internet access to the owner of the store? Your answer should give clear examples.

A small company has given a technician the responsibility of backing up files it stores on the office computer. What options are open to him? Which do you think is the best solution and why?

What is streaming? When would someone stream a media clip instead of downloading it?

Communications technology has improved the way we live our lives.

Give five reasons why you think this statement might be true. Give five reasons why you think this statement might be untrue.

What security advice would you give to someone who is using the Internet for the first time?