Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
1. What is the name of the digital circuit that performs arithmetic and logical operations in computers?
[A] Arithmetic Logic Unit
[B] Digital comparator
[C] Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Arithmetic Logic Unit ]
Notes:
An arithmetic-logic unit (ALU) is the part of the circuit that performs Arithmetic nad logical operations. It is the part of a computer processor (CPU). In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
2. Which among the following key is used for checking grammar and spelling?
[A] F3
[B] F5
[C] F7
[D] F9
Show Answer
Correct Answer: C [F7]
Notes:
F7 is the key to check grammar and spellings in a document. Ribbon at start also can be used to check spellings.
3. Which of the following transforms input data into output data?
[A] Peripherals
[B] RAM
[C] ROM
[D] CPU
Show Answer
Correct Answer: D [CPU]
Notes:
Input data is transformed into output by central processing unit- CPU. It is the electronic circuit in a computer that executes the instructions that make up a program. It performs operations specified by the instructions.
4. Which among the following is the most common source of Viruses to the hard disk of your computer?
[A] Incoming Email
[B] Outgoing Email
[C] CD ROMs
[D] Websites
Show Answer
Correct Answer: A [Incoming Email ]
Notes:
Incoming emails is the most common source of Viruses to the hard disk of a computer. Hackers are using e mail for attacking a computer. The incoming email is the most vulnerable way.
5. As a person working in internet banking environment, why you should be aware of the “Dictionary attack”?
[A] It is used to inject worms or viruses in the system
[B] It is used to determine a password
[C] It is used to access customer’s account by determining other details
[D] It is used for stealing info from the Credit Card
Show Answer
Correct Answer: B [It is used to determine a password ]
Notes:
A dictionary attack is a method of breaking into a password-protected computer or server. It is done by systematically entering every word in a dictionary as a password. A dictionary attack is used as an attempt to decrypt a message or document.
6. Which among the following is NOT a search engine?
[A] Google
[B] Baidu
[C] Wolfram Alfa
[D] Yahoo
Show Answer
Correct Answer: C [Wolfram Alfa ]
Notes:
Wolfram Alfa is a computational knowledge engine or answer engine and not a search engine. Goodle, Baidu and yahoo are the search engines as a person can search anything on web using these.
7. Which of the following audio / video formats was developed by Microsoft?
[A] MPEG
[B] ADX
[C] WMA
[D] AVS
Show Answer
Correct Answer: C [WMA]
Notes:
Windows Media Audio (WMA) is a series of audio codecs and their corresponding audio coding formats developed by Microsoft.
8. In which year Microsoft was founded ?
[A] 1970
[B] 1974
[C] 1975
[D] 1976
Show Answer
Correct Answer: C [1975]
Notes:
Microsoft was founded by Bill Gates and Paul Allen on April 4, 1975, to develop and sell BASIC interpreters for the Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Microsoft Windows.
9. Which of the following blogging platform was first launched by Pyra Labs?
[A] WordPress
[B] Blogger
[C] Typepad
[D] Twitter
Show Answer
Correct Answer: B [Blogger]
Notes:
Blogger is the platform founded by Pyra Labs in 1999. Google acquired it in 2003. WordPress is a free and open-source content management system by wordpress foundation. Twitter is an American microblogging and social networking service founded in 2006.
10. News websites deliver customized ‘feeds’ of content to their readers via RSS, which stands for :
[A] Really Simple Syndication
[B] Real Social Syndication
[C] Registered Subscriber Syndication
[D] Really Simple Synchronization
Show Answer
Correct Answer: A [Really Simple Syndication]
Notes:
Real Simple Syndication (RSS) is the term used to refer the collection of Web feed formats. They provide updated or shared information in a standardized way. They deliver customized ‘feeds’ to the customers.
