ICT for NTA UGC NET JRF Paper 1

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1. Which of the following lies within the CPU?

[A] Primary Memory
[B] Secondary Memory
[C] Mouse
[D] Keyboard

SHOW ANSWER
  Answer 1
Explanation: All input data and instructions are stored in the memory which is of two types-primary memory and the secondary memory. Primary memory resides within the CPU while the secondary memory is external to it. ©navclasses

 

2. In a book of which author was the word computer first mentioned?

[A] Mark Twain
[B] Sherlock Holmes
[C] Richard Braithwait
[D] Enid Blyton

SHOW ANSWER
  Answer 3
Explanation: As per the Oxford English Dictionary, the word “computer” was first used in 1613 in a book called The Yong Mans Gleanings by English writer Richard Braithwait. ©navclasses

 

3. Which of the following devices incorporated a mechanical calendar computer?

[A] Astrolabe
[B] Gear-wheels
[C] Abacus
[D] Gear-train

SHOW ANSWER
  Answer 1
Explanation: The astrolabe was invented in the Hellenistic world by Hipparchus. The astrolabe incorporated a mechanical calendar computer. ©navclasses

 

4. Which of the following is the correct sequence of stages of data processing in a computer?

[A] Data Collection- Input Raw Data- Processing of Data-Information- Output
[B] Data Collection-Input Information-Processing of Data- Output
[C] Data Collection- Data Processing- Information-Data Output
[D] Data Input-Data Processing-Data Collection-Information-Output

SHOW ANSWER
  Answer 1
Explanation: The correct sequence of stages of data processing is Data Collection-Input Raw Data-Processing of Data-Information-Output. ©navclasses

 

5. Who was associated with the first large-scale digital computer known as the Harvard Mark I or the IBM Automatic Sequence Controlled Calculator?

[A] Clifford Berry
[B] Howard Aiken
[C] Konrad Zuse
[D] John Atanasoff

SHOW ANSWER
  Answer 2
Explanation: The first large-scale digital computer was built by mathematician Howard Aiken which was sponsored by IBM and thus called as the Howard Mark I or IBM Automatic Sequence Controlled Calculator. ©navclasses

 

6. How do the Analog computers perform arithmetic operations?

[A] With the help of Non-Measurable quantities
[B] With the help of Measurable quantities
[C] Both 1 and 2
[D] None of the above

SHOW ANSWER
  Answer 2
Explanation: An analog computer performs arithmetical operations with the help of measurable quantities like mechanical movement, rotation of gears etc. ©navclasses

 

7. Which of the following are the core mathematical operations which are used in an electric analog computer?

[A] Integration
[B] Exponentiation
[C] Inversion
[D] All of the above

SHOW ANSWER
  Answer 4
Explanation: The core mathematical operations which are used in an electric analog computer are- integration, exponentiation, inversion, addition, multiplication, logarithm and division. ©navclasses

 

8. In what form is the data expressed in a digital computer?

[A] Binary
[B] Tertiary
[C] Primary
[D] Secondary

SHOW ANSWER
  Answer 1
Explanation: Digital data works on various kinds of data which include magnitude, letters, symbols, etc. and are expressed in binary code i.e. using numbers only in two digits like 0 and 1. ©navclasses

 

9. Who had build the first electronic digital computer?

[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry

SHOW ANSWER
  Answer 3
Explanation: John V. Atanasoff who is an Ameican mathematician and also a physicist built the first electronic digital computer. ©navclasses

 

10. What controlled the data-processing operations in the Harvard Mark I?

[A] Electric relays
[B] Memory
[C] Switching Devices
[D] Both 1 and 3

SHOW ANSWER
  Answer 4
Explanation: In Harvard Mark I the data-processing operations are primarily controlled by electric relays or switching devices. ©navclasses

 

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