09 OCT 2020 (ICT) First Shift NTA UGC NET JRF Question paper, Answer key

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1. Statement I: Printed output from a computer system is called soft copy
Statement II: RAM is a read/write memory

1. Both Statement I and Statement Il are true
2. Both Statement I and Statement Il are false
3. Statement I is correct but Statement II is false
4. Statement I is incorrect but Statement II is true

SHOW ANSWER
  Answer 4
Explanation: > Printed output from a computer system is called Hard copy
> RAM is a read/write memory
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2. With regard to computer memory, which of the following statement(s) is/are TRUE?

A.
Cache memory is ‘volatile’ memory.
B. Magnetic memory is ‘volatile’ memory.
C. Flash memory is ‘volatile’ memory.
D. RAM is ‘volatile’ memory.

1. (A) and (B) only
2. (A) and (D) only
3. (D) only
4. (C) and (D) only

SHOW ANSWER
  Answer 3
Explanation: > Cache, RAM memory are volatile memories means lose their data when the power is turned off.
> ROM, Magnetic memory, Flash memory are ‘non volatile’ memory means content remains even after power is turned off.
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3. The Recycle Bin is an area in Windows OS that contains files deleted from the :
A. hard drive
B. Pen drive
C. CD-ROM

(1) (A) only
(2) (A) and (B) only
(3) (B) and (C) only
(4) (A) and (C) only

SHOW ANSWER
  Answer 1
Explanation: When we delete any file it goes to Recycle Bin. Recycle Bin is an area in Windows OS contains files deleted from computer Hard drive. If we want to deleted file permanently pen we have to empty Recycle Bin or press shift + delete + enter.
> If we delete files from any secondary device like pendrive, cd, dvd it will not go in Recycle Bin and will be deleted permanently.
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4. A firewall is a software tool that protects

A. Server
B. Network
C. Fire
D. Individual Computer
Choose the correct answer from the options given below:

1 (A), (C) only
2 (A), (B), (C) only
3 (B), (C) only
4 (A), (B), (D) only

SHOW ANSWER
  Answer
Explanation: Firewall is a software tool that protects computer server, network, computers from unauthorised threat example of firewall is anti virus.
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5. Given below are two statements :
Statement I: Instructional technology is a network of techniques pressed into service for realizing instructional objectives.
Statement II : Computer-aided instruction can replace the teacher if the goal of education is personality development.

A. Both Statement I and Statement II are true
B. Both Statement I and Statement II are false
C. Statement I is correct but Statement II is false
D. Statement I is incorrect but Statement II is true

SHOW ANSWER
  Answer 3
Explanation: > Statement I is correct Instructional technology is a set of tools that are used to achieve instructional goals.
> Computer-aided instruction can never replace traditional teacher especially in courses where practical learning required and personality development as it required to teach interpersonal behavioral traits in dynamic situation.
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6. Identify the correct order of the following computer memories on the basis of increasing memory access time (from low to high).

(A) Registers
(B) Main Memory
(C) Secondary Memory
(D) Cache Memory

(1) (A), (C), (D). (B)
(2) (A), (D). (B). (C)
(3) (C). (B). (D). (A)
(4) (B), (D). (A). (C)

SHOW ANSWER
  Answer 2
Explanation: Correct order of computer memories on the basis of increasing memory access time Registers, cache, Main memory: RAM, ROM, Secondary memory. ©navclasses

 

7. In computers, a DVD-ROM is :


(1) an optical storage media and it can be written many times.
(2) a magnetic storage media and it can be written only once
(3) an optical storage media and it can be written only once.
(4) a magnetic storage media and it can be written many times

SHOW ANSWER
  Answer 3
Explanation: Digital versatile disc-read only memory used to store permanent data can be written only once it is optical storage media because It records and retrieves digital (binary) data using low-power laser beams.
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8. Given below are two statements:

Statement I: Minimum number of bits required to store any digit decimal number is 10
Statement II: The data in a digital computer is stored in terms of bits/ bytes where one PetaByte is equal to 2^50 bits.

A. Both Statement I and Statement II are true
B. Both Statement I and Statement II are false
C. Statement I is correct but Statement II is false
D. Statement I is incorrect but Statement ll is true

SHOW ANSWER
  Answer 3
Explanation: > To store any digit decimal number Minimum number of bits required is 10 as its base is 10 > PetaByte is equal to 2^50 byte (not bit).
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9. Given below are two statements :

Statement I: ‘SWAYAM, an initiative of the Government of India, aims at promoting self-help groups in rural areas.
Statement II: ‘e-Tantra’ is an initiative to spread education in Embedded systems and Robotics by IIT, Mumbai through MHRD-NMECIT. In the light of the above statements, choose the correct answer from the options given below:

(1) Both Statement I and Statement II are true
(2) Both Statement I and Statement II are false
(3) Statement I is correct but Statement II is false
(4) Statement I is incorrect but Statement II is true

SHOW ANSWER
  Answer 2
Explanation: > SWAYAM is digital initiative of MHRD to promote quality, access, equity to all
> ‘e-Yantra’ (not Tantra) is an initiative to spread education in Embedded systems and Robotics by IIT, Mumbai through MHRD-NMECIT
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10. Consider the following incomplete sentences :
3G is a…………………… range wireless technology. Some activities that require ………………..bandwidth cannot be carried out by using 3G. Bluetooth is a ……………… range wireless technology that is used to connect devices together for data transfer. Bluetooth is a………………….. cost means of data transfer. Complete the above sentences by choosing the correct words in order from the following list :
(A) Long
(B) Low
(C) Short
(D) High

A. (A), (D), (C), (B)
B. (C), (D), (A), (B)
C. (C), (B), (A), (D)
D. (A), (B), (C), (D)

SHOW ANSWER
  Answer 1
Explanation: 3G is a long range wireless technology.
Some activities that require High bandwidth cannot be carried out by using 3G. Wi-Fi is used to form small wireless networks (WLANs). Its data transfer rate is faster, and it can cover a wider region.
Bluetooth is a short range wireless technology which is used to connect devices together for data transfer. Bluetooth is a low cost means of data transfer.
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