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 unit of data storage that equals 2 to the 70th power is called?
[A] Zebibyte
[B] Yottabite
[C] Yobibite
[D] None of the above
Show Answer
Correct Answer: A [Zebibyte]
Notes:
A zebibyte is a unit of data storage. It is equal to 2 to the 70th power, or 1,180,591,620,717,411,303,424 bytes. While a zettabyte can be estimated as 10^21 or 1,000,000,000,000,000,000,000 bytes, a zebibyte is exactly 1,180,591,620,717,411,303,424 bytes.
2. Panther (10.3), Jaguar (10.2), Puma (10.1), and Cheetah (10.0) are examples of what kind of operating system?
[A] Windows OS
[B] Mac OS
[C] Linux Operating Systems
[D] Android Operating Systems
Show Answer
Correct Answer: B [Mac OS]
Notes:These are names of Mac OS Operating Systems. The names of various Mac OS are as follows:
- Mac OS X Public Beta
- Mac OS X 10.0 Cheetah
- Mac OS X 10.1 Puma
- Mac OS X 10.2 Jaguar
- Mac OS X 10.3 Panther
- Mac OS X 10.4 Tiger
- Mac OS X 10.5 Leopard
- Mac OS X 10.6 Snow Leopard
- Mac OS X 10.7 Lion
- OS X 10.8 Mountain Lion
- OS X 10.9 Mavericks
- OS X 10.10 Yosemite
- OS X 10.11 El Capitan
- macOS 10.12 Sierra
- macOS 10.13 High Sierra
- macOS 10.14 Mojave
- macOS 10.15 Catalina
3. Any piece of data can be returned in a constant time, regardless of its physical location and whether or not it is related to the previous piece of data using which of the following?
[A] RAM
[B] ROM
[C] CPU
[D] Network interface card
Show Answer
Correct Answer: A [RAM]
Notes:
Random-access memory or RAM is a form of computer memory which is used to store the working data and machine code. The RAM make sure the data is returned instantly when asked for.
4. 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).
5. Which company had developed the software development process framework called “Rational Unified Process” or RUP?
[A] Microsoft
[B] IBM
[C] Compaq
[D] None of these
Show Answer
Correct Answer: B [IBM]
Notes:
Rational Unified Process (RUP) is an iterative software development process framework created by the Rational Software Corporation, a division of IBM since 2003.
6. “Don’t be evil” was the informal corporate motto of which of the following internet giants?
[A] google
[B] Yahoo
[C] Microsoft
[D] Baidu
Show Answer
Correct Answer: A [google]
Notes:
“Don’t be evil” was used in Google’s corporate code of conduct and was considered to be an informal motto. However, it has been removed now off the code of conduct.
7. “Macintosh” an Operating System is a product of ?
[A] Microsoft
[B] Apple
[C] Intel
[D] Google
Show Answer
Correct Answer: B [Apple]
Notes:
The Macintosh was the brand name of the personal computers designed and sold by Apple Inc. since January, 1984. Since 1998, it was branded as Mac.
8. With which scientist is the discovery of first practical mechanical calculator associated?
[A] Gottfried Leibniz
[B] Blaise Pascal
[C] George Boole
[D] Charles Babbage
Show Answer
Correct Answer: B [Blaise Pascal]
Notes:
Blaise Pascal had invented the first practical mechanical calculator. It was called the Pascaline and was used to help his father who was a tax-collector to solve his sums.
9. Which was the earliest commercial, non-kit microcomputer based on a microprocessor?
[A] MIR Series
[B] Micral N
[C] Datapoint 2200
[D] HP 9800
Show Answer
Correct Answer: B [Micral N]
Notes:
Micral N was the earliest commercial, non-kit microcomputer based on a microprocessor. It was built in 1972 and only a few hundred units were sold. Micral is a series of microcomputers produced by a French company R2E.
10. Which of the following devices is used for reading bar coded data ?
[A] Graphic Tablet
[B] Numeric Pad
[C] Bar Code Reader
[D] Magnetic Stripe Reader
Show Answer
Correct Answer: C [Bar Code Reader]
Notes:
A bar code reader is an electronic device that can read and output printed barcodes to a computer. A barcode reader works by directing a beam of light across the bar code and measuring the amount of light that is reflected back.
