Information and communication technology

ICT stands for:

• 1 Internal Circuit Test
• 2 Information and Communication Technology
• 3 Internet Control Terminal
• 4 Information Code Transfer

Radio waves used in communication are a type of:

• 1 Water waves
• 2 Electromagnetic waves
• 3 Seismic waves
• 4 Sound waves

Satellites orbiting at about 36000 km that appear fixed above a point are called:

• 1 Geostationary satellites
• 2 Weather balloons
• 3 Space probes
• 4 Polar satellites

Which of these is used to carry signals as light pulses?

• 1 Coaxial cable only
• 2 Rubber tube
• 3 Copper wire
• 4 Optical fibre

Which of these is a way of sending information using light?

• 1 Rope
• 2 Copper wire
• 3 Water pipe
• 4 Optical fibre

Mobile phones communicate using:

• 1 Sound waves
• 2 Gamma rays
• 3 Radio waves
• 4 X rays

Digital signals are represented by:

• 1 Sound
• 2 Colour
• 3 A continuous range
• 4 Two levels such as 0 and 1

The Internet is a network of:

• 1 Radios
• 2 Telephones only
• 3 Single computers only
• 4 Networks