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RRB NTPC Computer Awareness Questions with Answers & Explanations

19 Computer Awareness questions from the General Awareness section of RRB NTPC, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

Question 1

Which memory is the fastest?

  1. AHard disk
  2. BRAM
  3. COptical disk
  4. DCache memory
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Answer: (D) Cache memory
Question 2

The shortcut Ctrl + S is used to

  1. ASend email
  2. BSelect all
  3. CSave a file
  4. DSearch
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Answer: (C) Save a file
Question 3

Which device is used to connect a computer to the internet over a phone line?

  1. AProjector
  2. BPrinter
  3. CScanner
  4. DModem
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Answer: (D) Modem
Question 4

Which of these is an operating system?

  1. ALinux
  2. BGoogle Chrome
  3. COracle
  4. DMS Word
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Answer: (A) Linux
Question 5

URL stands for

  1. AUniform Resource Locator
  2. BUniversal Routing Line
  3. CUniversal Resource Link
  4. DUniform Record Locator
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Answer: (A) Uniform Resource Locator
Question 6

Which of these is a web browser?

  1. AMS Excel
  2. BWindows 11
  3. CMozilla Firefox
  4. DAdobe Photoshop
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Answer: (C) Mozilla Firefox
Question 7

Which keyboard shortcut is used to paste in Windows?

  1. ACtrl + X
  2. BCtrl + P
  3. CCtrl + V
  4. DCtrl + C
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Answer: (C) Ctrl + V
Question 8

CPU stands for

  1. AControl Processing Unit
  2. BCentral Program Unit
  3. CCentral Processing Unit
  4. DComputer Processing Unit
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Answer: (C) Central Processing Unit
Question 9

Phishing is a type of

  1. AFile format
  2. BProgramming language
  3. CComputer hardware
  4. DOnline fraud to steal personal information
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Answer: (D) Online fraud to steal personal information
Question 10

Which keyboard shortcut is used to undo an action?

  1. ACtrl + X
  2. BCtrl + Y
  3. CCtrl + Z
  4. DCtrl + U
Show answer
Answer: (C) Ctrl + Z

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Question 11

MS PowerPoint is mainly used for

  1. ADatabases
  2. BPresentations
  3. CSpreadsheets
  4. DProgramming
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Answer: (B) Presentations
Question 12

RAM is a type of

  1. AOutput device
  2. BPermanent storage
  3. CVolatile memory
  4. DInput device
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Answer: (C) Volatile memory
Question 13

WWW stands for

  1. AWeb World Wide
  2. BWide World Web
  3. CWorld Wide Website
  4. DWorld Wide Web
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Answer: (D) World Wide Web
Question 14

Which file extension is used for a Word document?

  1. A.docx
  2. B.xlsx
  3. C.exe
  4. D.pptx
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Answer: (A) .docx
Question 15

A computer virus is a

  1. AMalicious program
  2. BBiological germ
  3. CType of RAM
  4. DHardware fault
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Answer: (A) Malicious program
Question 16

A firewall is used to

  1. ACool the CPU
  2. BPrint documents
  3. CIncrease internet speed
  4. DProtect a network from unauthorised access
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Answer: (D) Protect a network from unauthorised access
Question 17

RAM is a type of

  1. APermanent storage
  2. BVolatile memory
  3. COutput device
  4. DInput device
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Answer: (B) Volatile memory
Question 18

MS Excel is mainly used for

  1. APresentations
  2. BPhoto editing
  3. CSpreadsheets
  4. DWeb browsing
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Answer: (C) Spreadsheets
Question 19

1 kilobyte (KB) is equal to

  1. A1024 bytes
  2. B1024 bits
  3. C100 bytes
  4. D1000 bits
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Answer: (A) 1024 bytes

These are RankerClub practice questions written in the RRB NTPC pattern. They are not official SSC/IBPS/RRB papers.

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