1. ICT stands for:
A) Information and Communication Technology
B) Information and Computer Technology
C) Internal Communication Technology
D) Information and Circuit Theory
2. The science of transmitting information from one place to another is called:
A) Electronics
B) Communication
C) Magnetism
D) Mechanics
3. The basic elements of communication system are:
A) Battery, switch, wire
B) Input, output, memory
C) Sender, medium, receiver
D) Current, voltage, resistance
4. The device that converts sound waves into electrical signals is:
A) Loudspeaker
B) Antenna
C) Transmitter
D) Microphone
5. The device that converts electrical signals into sound is:
A) Loudspeaker
B) Microphone
C) Antenna
D) Modulator
6. Radio waves are examples of:
A) Mechanical waves
B) Electromagnetic waves
C) Sound waves
D) Water waves
7. Electromagnetic waves travel with speed of:
8. Communication through cables is called:
A) Wireless communication
B) Satellite communication
C) Radio communication
D) Wired communication
9. Communication without physical connection is called:
A) Wireless communication
B) Wired communication
C) Optical communication
D) Cable communication
10. Optical fiber transmits signals in the form of:
A) Sound waves
B) Light pulses
C) Electric current
D) Magnetic waves
11. Optical fiber works on the principle of:
A) Refraction
B) Dispersion
C) Total internal reflection
D) Diffraction
12. The device used to send information signals is called:
A) Receiver
B) Antenna
C) Decoder
D) Transmitter
13. The device used to receive transmitted signals is called:
A) Receiver
B) Modulator
C) Microphone
D) Loudspeaker
14. Modulation is the process of:
A) Receiving signals
B) Mixing information with carrier wave
C) Producing electricity
D) Amplifying sound
15. The wave that carries information is called:
A) Sound wave
B) Mechanical wave
C) Carrier wave
D) Water wave
16. AM stands for:
A) Audio Modulation
B) Automatic Medium
C) Amplitude Mechanism
D) Amplitude Modulation
17. FM stands for:
A) Frequency Modulation
B) Fast Modulation
C) Frequency Mechanism
D) Fast Medium
18. In AM transmission, the quantity that changes is:
A) Frequency
B) Amplitude
C) Speed
D) Wavelength
19. In FM transmission, the quantity that changes is:
A) Amplitude
B) Speed
C) Frequency
D) Intensity
20. FM transmission has better sound quality because it is less affected by:
A) Noise
B) Gravity
C) Pressure
D) Heat
21. Satellite communication uses:
A) Sound waves
B) Water waves
C) Mechanical waves
D) Microwaves
22. The communication satellite revolves around Earth in:
A) Polar orbit
B) Geostationary orbit
C) Elliptical orbit
D) Circular ground orbit
23. Internet is a network of:
A) Satellites
B) Mobile towers
C) Computers
D) Radio stations
24. Email is used for:
A) Sending electronic messages
B) Producing electricity
C) Broadcasting TV
D) Storing fuel
25. A modem is used to:
A) Produce light
B) Store information
C) Amplify current
D) Convert digital and analog signals
26. GPS stands for:
A) Global Position Service
B) Global Positioning System
C) General Position System
D) Global Programming System
27. GPS is mainly used for:
A) Navigation
B) Heating
C) Lighting
D) Cooling
28. Mobile phone communication commonly uses:
A) Water waves
B) Sound waves
C) Radio waves
D) Mechanical waves
29. Fiber optics communication has advantage of:
A) High power loss
B) Slow transmission
C) Electrical interference
D) Fast data transmission
30. Communication satellites receive signals through:
A) Uplink
B) Downlink
C) Modulation
D) Reflection
31. Signals transmitted from satellite to Earth are called:
A) Uplink
B) Downlink
C) Carrier link
D) Fiber link
32. Which communication medium uses glass fibers?
A) Copper cable
B) Coaxial cable
C) Optical fiber
D) Twisted pair cable
33. Television signals are transmitted mainly through:
A) Electromagnetic waves
B) Sound waves
C) Water waves
D) Seismic waves
34. ICT has greatly improved:
A) Farming only
B) Transportation only
C) Sports only
D) Communication speed
35. The internet allows sharing of:
A) Mechanical energy
B) Information
C) Heat only
D) Fuel only
36. A web browser is used to:
A) Access websites
B) Produce electricity
C) Repair computers
D) Measure voltage
37. Which of the following is a search engine?
A) Windows
B) Linux
C) Google
D) MS Word
38. The process of protecting information from unauthorized access is called:
A) Networking
B) Browsing
C) Downloading
D) Cyber security
39. The full form of WWW is:
A) World Wide Web
B) World Wire Web
C) Wide World Web
D) Web World Wide
40. A computer virus is a:
A) Hardware device
B) Malicious software
C) Communication medium
D) Storage device
41. Antivirus software is used to:
A) Increase internet speed
B) Store information
C) Detect and remove viruses
D) Create websites
42. The communication system used in banks and offices is commonly:
A) Computer network
B) Optical mirror
C) Electric motor
D) Transformer
43. Video calls are possible because of:
A) Mechanical waves
B) Heat energy
C) Magnetic force
D) ICT
44. The communication system that covers the whole world is:
A) Local area network
B) Internet
C) Personal computer
D) Telephone wire
45. Data transmission speed is usually measured in:
A) Bits per second
B) Newton
C) Joule
D) Pascal
46. Which device is used to connect computers in a network?
A) Transformer
B) Generator
C) Router
D) Resistor
47. The communication method used by television remote controls is:
A) Radio waves
B) Microwaves
C) X-rays
D) Infrared waves
48. The main advantage of wireless communication is:
A) Heavy wiring
B) Mobility
C) Slow speed
D) High resistance
49. E-learning means learning through:
A) Electronic media
B) Printed books only
C) Newspapers only
D) Radio only
50. ICT has made communication:
A) Slower
B) More difficult
C) Faster and easier
D) Impossible
