09 NOV 2020 (ICT) 1st & 2nd Shift NTA UGC NET JRF Question paper, Answer key

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1. To differentiate primary storage from secondary storage in a computer system, which of the following statements is correct?

1. Primary storage is slower, more expensive and persistent.
2. Primary storage is faster, more expensive and persistent.
3. Primary storage is faster, less expensive and not persistent.
4. Primary storage is faster, more expensive and not persistent.

SHOW ANSWER
  Answer 4
Explanation: Primary storage memory are Random Access Memory (RAM), registers, cache are faster, more expensive and not persistent (Volatile).
Secondary storage are hard disk drives, solid state drives, removable “USB” drives, CDs, and DVDs etc are slower, less expensive and persistent (non volatile).
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2. Given below are two statements :
Statement I: Search engines are also known as web browsers.
Statement II: 189.365.250.2 is an example of a valid IP address.

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 2
Explanation: > Search engines (Google, Yahoo, Bing, DuckDuckgo, Baidu Internet Explorer.) and web browsers (Mozilla Firefox, Netscape Navigator, and Google Chrome.) are different > Valid IP address can not be more that 255 and 189.365.250.2 is wrong because of 365
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3. Match List I with List II:
(Computer Components) (Description)
(A) RAM (I) Brain of the Computer
(B) DVD-ROM (II) Performs all computations and comparison operations
(C) ALU (III) Can be written only once
(D) CPU (IV) Holds programmes currently being run on the computer
Choose the correct answer from the options given below:

1. (A)-(II), (B)-(IV), (C)-(I), (D)-(III)
2. (A)-(I), (B)-(IV). (C)-(II), (D)-(III)
3. (A)-(IV), (B)-(III). (C)-(II), (D)-(I)
4. (A)-(III), (B)-(IV), (C)-(II), (D)-(I)

SHOW ANSWER
  Answer 3
Explanation: > RAM (random-access memory) short term memory where currently being run data is stored as the processor needs it
> DVD-ROM optical storage device can be written only once and read many time
> ALU arithmetic-logic unit performs arithmetic (+ – x /) and logic operations (< > =)
> CPU is central processing unit is Brain of the Computer
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4. Assertion (A): Use of ICT in research facilitates access and accuracy of research findings.
Reason (R): A researcher has to follow various styles of referencing and format while writing a thesis with intent for deriving support from ICT.

01. Both (A) and (R) are correct and (R) is the correct explanation of (A)
02. Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)
03. (A) is correct but (R) is not correct
04. (A) is not correct but (R) is correct

SHOW ANSWER
  Answer 3
Explanation: Assertion is correct ICT in research helps to access and accuracy of research findings.
Reason is wrong as researcher has to follow required and correct type of styles of referencing and format while writing a thesis not various styles
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5. Which of the following statements is true in respect of computers?

A. Software is loaded into secondary storage from RAM and is then executed by the CPU.
B. Software is loaded into RAM from secondary storage and is then executed by the CPU.
C. Software is loaded into RAM from secondary storage and is then executed by Motherboard.
D. Software is loaded into secondary storage from RAM and is then executed by the motherboard

SHOW ANSWER
  Answer 2
Explanation: To save a programme (or something else) to a file, it is immediately saved to secondary storage, which is the hard disc. It is done by the kernel (kernel’s File management system) of the operating system.
When one run a programme, it is loaded into RAM, the computer’s main/primary memory (a small programme called the loader transfers the whole programme to RAM).
The Arithmetic Logic Unit of the CPU executes the programme instructions (in its registers like the Accumulator). To carry out the instructions, the CPU reads the values of the program’s variables from RAM and stores the results in RAM as well. The results are then sent to the output buffer stream (stdout), which prints the results (30) on the computer console/terminal.
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6. Consider the following incomplete sentence:
Wi Fi is short for Wireless Fidelity and it is a set of _____for using short range_____ to allow computing _____ to connect to a LAN or to the Internet.
Complete the above sentence by choosing the correct words in order from the following list:
(A) Standards
(B) Waves
(C)Devices

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

SHOW ANSWER
  Answer 4
Explanation: > Wi Fi is an abbreviation for Wireless Fidelity, and it is a collection of standards for using short-range waves to link computing devices to a LAN or the Internet.
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7. Match List I with List II

(Examples of Communication) (Types of Communication)
(A) Sending e-mail (I) Semiotics
(B) Verbal instruction (II) Transactional
(C) Exchange of information between two (III) Formal groups of people
(D) Traffic signals (IV) Informal

(A)-(III) (B)-(IV) (C)-(II) (D)-(1)
1. (A)-(II) (B)-(III) (C)-(I) (D)-(IV)
2. (A)-(I) (B)-(II) (C)-IV) (D)-(III)
3. (A)-(IV) (B)-1) (C)-(III) (D)-(II)

SHOW ANSWER
  Answer 1
Explanation: > E-mail is send by Formal groups of people because emails are authentic evidence in nature
> Verbal instruction can be informal in nature here as per most suitable option we can choose it
> Exchange of information between two take place in Transactional communication because in transactional sender, receiver exchanges thoughts also there are chances of barriers
> Traffic signals are non verbal and to interpret them is semantic that is study of sign processes : Semiotics
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8. Assertion (A): Random Access Memory (RAM) is volatile and stores data/programs currently in use.
Reason (R): RAM is a storage medium that retains its contents even after the supply of electricity has been turned off.

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
3. (A) is true but (R) is false
4. (A) is false but (R) is true

SHOW ANSWER
  Answer 3
Explanation: Random Access Memory (RAM) is volatile (temporary) and stores data/programs currently in use and its data will not remain after the supply of electricity has been turned off.
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9. Match List I with List II :
(Computer Terms) (Description)
(A) Operating System (OS) (I) A service that runs on the internet.
(B) www (II) Software that helps an OS to control a piece of hardware.
(C) Device Driver (III) Software that controls peripherals and allocates memory and processor time.
(D)IP (IV) Defines network addresses and is used for routing packets.

1. (A)-(II) (B)-(IV) (C)-(III) (D)-(I)
2. (A)-(III) (B)-(I) (C)-(II) (D)-(IV)
3. (A)-(IV) (B)-(1) (C)-(II) (D)-(III)
4. (A)-(III) (B)-(IV) (C)-(II) (D-(I)

SHOW ANSWER
  Answer 2
Explanation: > Operating System are Software that controls peripherals (which can be output or input devices attached externally with computer) and allocates memory and processor time
> Device drivers are programmes that help the operating system handle connections with peripherals. Translation of requests between a device and a computer is handled by this component. It Specifies where a process must store outgoing data before it can be sent, as well as where incoming messages will be stored once received.
> www: World Wide Web service accessible over the Internet
> Internet Protocol are the collection of rules that control the format of data transmitted over the internet or a local network. IP information is attached to each packet, and this information helps routers to send packets to the right address
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10. Given below are two statements :
Statement I: A company-wide network, closed to the public access, which uses internet-type technology is called World Wide Web.
Statement II: MODEM is a device that enables a computer to communicate over telephone lines.
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 4
Explanation: > A company-wide network, closed to public access, which uses Internet-type technology is called Intranet.
> World Wide Web (WWW) is an interconnected system of public webpages accessible via the Internet, in which documents and other web resources are found by Uniform Resource Locators (URLs), which can be linked together using hyperlinks, and are accessible via the Internet.
> MODEM modulator-demodulator converts data from a digital format to analogue format and analogue to digital format over telephone lines.
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