Information Technology Grade 9
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1. ANSWER ALL QUESTIONS 2. WRITE YOUR ANSWERS IN CAPITAL LETTERS
- 1.One purpose of a network is
- A.
Sharing software
- B.
Compiling program
- C.
Changing software
- D.
Starting up the computer
- 2.What is a network?
- A.
A set of software use to send information
- B.
A collection of computers and devices connected by communication channels
- C.
A set of hardware that are use save information
- D.
A collection of storage devices use to save information
- 3.Which of the following is NOT used to facilitate communication on the network?
- A.
E-mail .
- B.
Instant messaging
- C.
Chat rooms,
- D.
Printing
- 4.The largest type of network is __________
- 5.Which of the following allows users to connected to a network which can access application programs?
- A.
Sharing files, data and information
- B.
Sharing software
- C.
Sharing hardware
- D.
Communicating
- 6.The acronym LAN means ________
- 7.The acronym PAN means _________
- 8.The acronym WAN means _______________
- 9.The acronym PAN means ____________
- 10.The smallest type of network is
- A.
WAN
- B.
MAN
- C.
PAN
- D.
LAN
- 11.PAN is used in which communication technology?
- A.
Blue tooth
- B.
Microwave
- C.
Cellular radio
- D.
Infared
- 12._________________ covers a large geographic area such as a city, country, or spans even intercontinental distances, using a communications channel tinental
- 13._______________ connects two or more local area networks or campus area networks together but does not extend beyond the boundaries of the immediate town/city.
- 14.Which of the following is not a type of Wireless Media?
- A.
Blue tooth
- B.
Satellite
- C.
Microwave
- D.
Fiber Optic Cable
- 15.Which of the following is a type of Physical Media?
- A.
Blue tooth
- B.
Satellite
- C.
Microwave
- D.
Fiber Optic Cable
- 16.An _____________ signal is a continuous Electricwave.
- 17.Analog signal is measured in Volts and frequency in ______________
- 18.__________ consist of discrete electrical pulses (on/off) that represents bits.
- 19.A _______________ consist of two signals 1 or 0.
- 20.A ______________ is type of cable that consists of two Independently insulated wires twisted around one another.
- A.
COAXIAL CABLE
- B.
TWISTED PAIR
- C.
MICROWAVE
- D.
FIBER OPTIC
- 21.A ____________________ consist of an inner conductor and an outer conductor separated by an insulated plastic.
- A.
FIBER OPTIC
- B.
MICROWAVE
- C.
COAXIAL CABLE
- D.
TWISTED PAIR
- 22.This __________________ link is made up of a string of microwave radio antennas located at the top of towers at various microwave sites.
- 23.______________________ is a specialized type of transmitter that is launched by a rocket and placed in orbit around the earth.
- A.
Microwave
- B.
Blue tooth
- C.
Satellite
- D.
Cellular Radio
- 24.Which of the following is a function of the satellite?
- A.
Television broadcast
- B.
Internet communications
- C.
Weather forecasting
- D.
All of the above
- 25._______________________ is the exchanging data over short distances using short length radio waves.
Questions: 21 | Attempts: 11621 | Last updated: Jul 31, 2020
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