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. The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called ?
[A] Response Time
[B] Access Time
[C] Quick Time
[D] None of the above
Show Answer
Correct Answer: B [Access Time ]
Notes:
Access time (or Hard Disk Access Time) is the total elapsed time between the initiation of a particular request for data and receipt of the first bit of that data.
2. Alerts are mostly appear in ______?
[A] Check box
[B] Combo box
[C] Dialog box
[D] None of the above
Show Answer
Correct Answer: C [Dialog box]
Notes:
A dialog box is a small area on a screen through which the user interacts with the computer. User is either asked to provide information or commands using this. The alerts also appear in this.
3. Now a days Vishing has become a criminal practice of using social engineering over which of the following?
[A] Social networking sites
[B] Mobile Phones
[C] E-mails
[D] Cyber cafés
Show Answer
Correct Answer: B [Mobile Phones ]
Notes:
Voice phishing or Vishing is a form of criminal phone fraud. It is using social engineering over the telephone system. It is to gain access to private personal and financial information for the purpose of financial reward.
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. Which among the following is used for removing a software bug / defect which is available for free of cost from the software provider?
[A] Version
[B] update
[C] help
[D] patch
Show Answer
Correct Answer: D [patch]
Notes:
A patch is a collective name of all the changes to a computer program aimed to update, fix, or improve it including addressing the security vulnerabilities and other bugs.
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 lies within the CPU?
[A] Primary Memory
[B] Secondary Memory
Secondary Memory
[C] Mouse
[D] Keyboard
Show Answer
Correct Answer: A [Primary Memory]
Notes:
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.
8. Which of the following includes Logic Operations?
[A] AND
[B] XOR
[C] NOT
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.
9. Who had discovered the Boolean algebra?
[A] George Boole
[B] Charles Babbage
[C] Augusta Ada Byron
[D] Herman Hollerith
Show Answer
Correct Answer: A [George Boole]
Notes:
Englishman, George Boole had invented a new branch of mathematics called the Boolean algebra. Boolean algebra and the binary code help modern computers to make simple decisions by comparison of long strings of zeroes.
10. In what form is the data expressed in a digital computer?
[A] Binary
[B] Tertiary
[C] Primary
[D] Secondary
Show Answer
Correct Answer: A [Binary]
Notes:
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.
