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. A generic name for Intel processors released after the original 8086 processor is ______?
[A] Pentium
[B] x86
[C] Pentium 286
[D] None of these
Show Answer
Correct Answer: B [x86 ]
Notes:
x86 refers to the instruction set architectures developed by Intel based on the Intel 8086 microprocessor. As of now, most of the personal computers and laptops sold are based on the x86 architecture.
2. ©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.
3. Which of the following devices incorporated a mechanical calendar computer?
[A] Astrolabe
[B] Gear-wheels
[C] Abacus
[D] Gear-train
Show Answer
Correct Answer: A [Astrolabe]
Notes:
The astrolabe was invented in the Hellenistic world by Hipparchus. The astrolabe incorporated a mechanical calendar computer.
4. What was the special feature of the Apple Lisa computer launched in 1983?
[A] Windows XP
[B] GUI Desktop
[C] DOS
[D] Front Panel with Red Lights
Show Answer
Correct Answer: B [GUI Desktop]
Notes:
Steve Jobs launched the Apple Lisa in 1983 which was the first widely available computer with a GUI desktop. It was Jobs own version of the Alto project.
5. What does the amplitude of an analog wave measure?
[A] Frequency
[B] Intensity
[C] Wavelength
[D] All of the above
Show Answer
Correct Answer: B [Intensity]
Notes:
The amplitude of an analog wave is a measure of its intensity which is related to the highest point called crest and the lowest point called trough.
6. Who among the following is most likely to operate a personal computer?
[A] End-user
[B] Technician
[C] Software Engineer
[D] All of the above
Show Answer
Correct Answer: A [End-user]
Notes:
A personal computer is basically a multipurpose computer which is designed specifically for individual use. It is thus more likely to be used by an end-user.
7. Which of the following is/are characteristics of a laptop?
[A] Clamshell Design
[B] All hardware and interfaces are built into a single unit
[C] Portable
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A laptop is similar to any desktop but is portable with all the hardware and other peripherals built into a single unit. They have a clamshell design.
8. Which of the following is the another name for Secondary Memory?
[A] Auxiliary Memory
[B] Virtual memory
[C] Main memory
[D] Internal Storage
Show Answer
Correct Answer: A [Auxiliary Memory]
Notes:
Auxiliary memory, also known as Secondary memory or External memory, is a non-volatile memory. Secondary Memory isn’t directly accessible to the CPU like primary storage.
9. Which of the following define the meaning of RAM?
[A] It is a memory which only be read.
[B] It is a memory which both read and written.
[C] It is a memory which is used for permanent storage.
[D] It is a memory which can only be written.
Show Answer
Correct Answer: B [It is a memory which both read and written.]
Notes:
RAM is a memory which is both read and written. Random-access memory is a form of computer data storage that stores data and machine code currently being used.
10. What is the definition of a nibble?
[A] A small byte
[B] A group of 2 bytes
[C] A group of 4 bits
[D] A hand held device for playing games
Show Answer
Correct Answer: C [A group of 4 bits]
Notes:
A nibble is a four-bit aggregation. It is also known as half-byte or tetrade. A nibble can be conveniently represented by one hexadecimal digit.
