Chapter 7: Information & Communication Technology Physics Mcqs for High School - Grade 10 - Set 4

1)   ICT is a blend of

a. IT and telecommunication
b. technology and communication
c. codes and information
d. IT and social networking
Answer  Explanation 

ANSWER: IT and telecommunication

Explanation:
No explanation is available for this question!


2)   Data storage devices are also known as

a. primary memory
b. temporary memory
c. secondary memory
d. variable memory
Answer  Explanation 

ANSWER: secondary memory

Explanation:
No explanation is available for this question!


3)    In computer terminology, processed data is called



a. information
b. variables
c. communication
d. symbols
Answer  Explanation 

ANSWER: information

Explanation:
No explanation is available for this question!


4)    In 1876, a simple telephone model to send voice in the form of the electrical signal from one place to another was made by

a. Charles Babbage
b. John Logie
c. Michael Faraday
d. Alexander Graham
Answer  Explanation 

ANSWER: Alexander Graham

Explanation:
No explanation is available for this question!


5)   The memory which is used in the computer as temporary memory is

a. read only memory (ROM)
b. Random access memory (RAM)
c. local area networking (LAN)
d. all of above
Answer  Explanation 

ANSWER: Random access memory (RAM)

Explanation:
No explanation is available for this question!


6)   Term hardware is referred to

a. software
b. data
c. machinery
d. procedure
Answer  Explanation 

ANSWER: machinery

Explanation:
No explanation is available for this question!


7)   Cassettes are based on

a. electricity
b. magnetism
c. electromagnetism
d. waves
Answer  Explanation 

ANSWER: magnetism

Explanation:
No explanation is available for this question!


8)   It carries a radio transmitter and receiver inside it and sends and receives a message in the form of radio waves

a. fax machine
b. computer
c. photo phone
d. cell phone
Answer  Explanation 

ANSWER: cell phone

Explanation:
No explanation is available for this question!


9)   The medium which sends information from source to receiver is called

a. transmission channel
b. transmitter
c. receiver
d. optic fiber
Answer  Explanation 

ANSWER: transmission channel

Explanation:
No explanation is available for this question!


10)    A word processing program that you can use to write letters on your computer is a type of

a. software
b. hardware
c. cluster
d. transmitter
Answer  Explanation 

ANSWER: software

Explanation:
No explanation is available for this question!


11)   All modern telecommunications use some form of

a. chemical radiation
b. electromagnetic radiation
c. nuclear radiation
d. atomic radiation
Answer  Explanation 

ANSWER: electromagnetic radiation

Explanation:
No explanation is available for this question!


12)   The light will escape through optic fiber if the angle of incidence with cladding becomes

a. more than critical angle
b. less than critical angle
c. equal to critical angle
d. equal to total internal reflection
Answer  Explanation 

ANSWER: less than critical angle

Explanation:
No explanation is available for this question!


13)   A device used to transfer data between computers is called

a. DVD
b. CD
c. Hard drive
d. Flash drive
Answer  Explanation 

ANSWER: Flash drive

Explanation:
No explanation is available for this question!


14)   In Computer terminology, the processed data is called

a. binary data
b. code
c. information
d. language
Answer  Explanation 

ANSWER: information

Explanation:
No explanation is available for this question!


15)   An electronic computing machine used for adding, subtracting or multiplying is known as

a. fax machine
b. computer
c. photo phone
d. cell phone
Answer  Explanation 

ANSWER: computer

Explanation:
No explanation is available for this question!


16)   Light reflects into the fiber optics if the angle of incidence is

a. less than the critical angle
b. greater than the critical angle
c. equal to the critical angle
d. none of above
Answer  Explanation 

ANSWER: greater than the critical angle

Explanation:
No explanation is available for this question!


17)   On the internet, the function which allows people to send and receive text messages very fast is called

a. web browsing
b. e-mail
c. e-commerce
d. post
Answer  Explanation 

ANSWER: e-mail

Explanation:
No explanation is available for this question!


18)    In radio, television and cell phone information is sent either through optical fibers in the form of

a. cathode rays
b. electric signals
c. light
d. electromagnet waves
Answer  Explanation 

ANSWER: light

Explanation:
No explanation is available for this question!


19)   Waves of visible light have

a. higher frequency than radio waves
b. lower frequency than radio waves
c. frequency equal to radio waves
d. wavelength equal to radio waves
Answer  Explanation 

ANSWER: higher frequency than radio waves

Explanation:
No explanation is available for this question!


20)   The electric current flowing through an electromagnetic in the receiver produces a varying

a. potential field
b. magnetic field
c. shock field
d. none of above
Answer  Explanation 

ANSWER: magnetic field

Explanation:
No explanation is available for this question!