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. 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.
2. 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.
3. ©Brain also known as the first computer virus for MS-DOS was written by two brothers belonging to which among the following countries?
[A] Malaysia
[B] India
[C] Pakistan
[D] Iran
Show Answer
Correct Answer: C [Pakistan]
Notes:
Brain is the first PC virus in the world. It began infecting 5.2″ floppy disks in 1986. It was the work of two brothers, Basit and Amjad Farooq Alvi of Pakistan.
4. EDVAC was one of the earliest electronic computers. What is its full form?
[A] Electronic Diverse Variable Automatic Computer
[B] Electronic Digital Variable Automatic Computer
[C] Electronic Data Variable Automatic Computer
[D] Electronic Discrete Variable Automatic Computer
Show Answer
Correct Answer: D [Electronic Discrete Variable Automatic Computer]
Notes:
EDVAC or Electronic Discrete Variable Automatic Computer was one of the earliest electronic computers. It was binary and a stored-program computer.
5. Which of the following tasks can be performed by a digital computer?
[A] Analyze vast amount of business data
[B] Simulating Global weather patterns
[C] Regulating operations of machines
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All the tasks mentioned above can be performed by a digital computer like analyzing vast amount of business data, simulation of global weather patterns, regulation of operations of machines etc.
6. Which of the following is considered a convergence device?
[A] Digital Camera
[B] Desktop Computer
[C] Smartphone
[D] Wristwatch
Show Answer
Correct Answer: C [Smartphone]
Notes:
A conversion device refers to a single piece of hardware that serves functions traditionally performed by multiple devices. A smartphone is a prime example of a convergence device. Besides serving its primary function as a communication tool, it combines the functions of a digital camera, a music player, a computer, a game console, a GPS, and even a television remote control.
7. A device which is not connected to the CPU is known as which of the following?
[A] Land-line device
[B] On-line device
[C] Off-line device
[D] Device
Show Answer
Correct Answer: C [Off-line device]
Notes:
When a computer or other device is not turned on or connected to other devices, it is said to be “offline.”Offline can also mean not being connected to the Internet.
8. What is the full form of SMPS?
[A] Switched-Mode Power Supply
[B] Switching Manual Power Supply
[C] Switched Maintenance Power Supply
[D] None of the Above
Show Answer
Correct Answer: A [Switched-Mode Power Supply]
Notes:
A switched-mode power supply (SMPS) is an electronic circuit that converts power using switching devices. They are used in many places in a computer.
9. What is the full form of UPS?
[A] Unplugged Power Supply
[B] Uninterruptible Power System
[C] Unknown Power Source
[D] Uninterrupted Power Source
Show Answer
Correct Answer: B [Uninterruptible Power System]
Notes:
A backup UPS i.e. Uninterruptible Power System is often used with computers. If a UPS is not used with computers ,the data stored in the computer is almost when power is switched off.
10. If your computer is overheating, Which of the following things you can do about it?
[A] Ensure Proper Ventilation
[B] Clean Out Computer’s Case
[C] Tune Up Heat Sinks
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
If there is no idea of why your computer started overheating, open its case and check that all the fans are running. If CPU is overheating, its heat sink may not be seated correctly or its thermal paste may be old.
