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Computer knowledge Quizzes Top 50 Questions and Answers For IBPS RRB Clerk/PO Mains 2022 - 18th October

1.

Which type of virus is hard to detect as it changes its own code to evade matching a virus signature?

   A.) Boot sector virus
   B.) Polymorphic virus
   C.) Macro virus
   D.) Stealthy virus

Answer: Option 'B'

Polymorphic virus

A polymorphic virus is a complicated computer virus that affects data types and functions. It is a self-encrypted virus designed to avoid detection by a scanner. Upon infection, the polymorphic virus duplicates itself by creating usable, albeit slightly modified, copies of itself.

2.

_________ is the action of recording the keys struck on a keyboard, typically covertly, so that the person using the keyboard is unaware that their actions are being monitored.

   A.) Denial of service
   B.) Exploits
   C.) Keylogging
   D.) Spamming

Answer: Option 'C'

Keylogging

Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, typically covertly, so that the person using the keyboard is unaware that their actions are being monitored.

3.

Which is the Software that translates and executes a high level language program one line at a time?

   A.) Compiler
   B.) Interpreter
   C.) Assembler
   D.) Executor

Answer: Option 'B'

Interpreter

4.

Computer programs are written in a high level programming language; however, the human-readable version of a program is called ____________.

   A.) cache
   B.) Instruction set
   C.) source code
   D.) word size

Answer: Option 'C'

source code

5.

Errors in a computer program are referred to as

   A.) Item overlooked
   B.) Mistakes
   C.) Bugs
   D.) Crash

Answer: Option 'C'

Bugs

6.

Computer language COBOL is appropriate for—

   A.) Commercial purpose
   B.) Graphic purpose
   C.) Scientific purpose
   D.) All

Answer: Option 'A'

Commercial purpose

COBOL (Common Business Oriented Language) is a programming language that reads like regular English and is often used for business and administrative purposes.

7.

Which of the following is not a programming language ?

   A.) Pascal
   B.) Microsoft Office
   C.) C++
   D.) Java

Answer: Option 'B'

Microsoft Office

8.

What is the software called which when get downloaded on computer scans your hard drive for personal information and your internet browsing habits?

   A.) Backdoors
   B.) Key-logger
   C.) Malware
   D.) Spyware

Answer: Option 'D'

Spyware

Spyware is malicious computer program that does exactly what its name implies-i.e., spies on you. After downloading itself onto your computer either through an email you opened, website you visited or a program you downloaded, spyware scans your hard drive for personal information and your internet browsing habits.

9.

What is Spyware?

   A.) Spyware is a type of malware installed on computers that collects information about users without their knowledge
   B.) The presence of spyware is typically hidden from the user and can be difficult to detect
   C.) Spyware programs lurk on your computer to steal important information, like your passwords and logins and other personal identification information and then send it off to someone else
   D.) All of the above

Answer: Option 'D'

All of the above

10.

Which malicious program cannot do anything until actions are taken to activate the file attached by the malware?

   A.) Trojan Horse
   B.) Worm
   C.) Virus
   D.) Bots

Answer: Option 'C'

Virus


Computer knowledge Quizzes Top 50 Questions and Answers For IBPS RRB Clerk/PO Mains 2022 - 18th October Download Pdf

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