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. First microprocessors were used in which of the following?
[A] Computers
[B] Calculators
[C] Telephones
[D] Printers
Show Answer
Correct Answer: B [Calculators]
Notes:
The first microprocessors that emerged in the early 1970s were used for electronic calculators, using binary-coded decimal (BCD) arithmetic on 4-bit words.
2. Which among the following is not a security / privacy risk?
[A] Spam
[B] Virus
[C] Hacking
[D] Phishing
Show Answer
Correct Answer: A [Spam]
Notes:
Spam is any kind of unwanted, unsolicited digital communications. They are sent in bulk. The Spam today is becoming a serious threat.
3. 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.
4. When were the first digital electronic calculating machines developed?
[A] During Industrial Revolution
[B] During World War I
[C] During World War II
[D] During Cold War
Show Answer
Correct Answer: C [During World War II]
Notes:
During the Industrial Revolution, some mechanical devices were built to automate long and difficult tasks. The first digital electronic calculating machines were developed during World War II.
5. When did the Online Etymology Dictionary first attested the use of the word “computer” as one who calculates?
[A] 1630s
[B] 1680s
[C] 1670s
[D] 1640s
Show Answer
Correct Answer: D [1640s]
Notes:
The Online Etymology Dictionary first attested the use of the word “computer” in the 1640s as one who calculates.
6. Which of the following is the first example of an electromechanical relay computer?
[A] Differential Analyzer
[B] Torpedo Data Computer
[C] Z2
[D] Jacquard Loom
Show Answer
Correct Answer: C [Z2]
Notes:
The Z2, created by a German Engineer Konrad Zuse in 1939, was one of the foremost examples of an electromechanical relay computer.
7. Which of the following is not an arithmetic capability of a computer?
[A] Addition and Subtraction
[B] Calculation
[C] Copy and Paste
[D] All of the above
Show Answer
Correct Answer: C [Copy and Paste]
Notes:
A computer is much more than an arithmetic number crunching device and performs many other operations like copy, paste, delete, print etc.
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. What controlled the data-processing operations in the Harvard Mark I?
[A] Electric relays
[B] Memory
[C] Switching Devices
[D] Both 1 and 3
Show Answer
Correct Answer: D [Both 1 and 3]
Notes:
In Harvard Mark I the data-processing operations are primarily controlled by electric relays or switching devices.
10. Which among the following is considered as the first true personal computer based on the 8-bit Intel 8080 microprocessor?
[A] Xerox Alto
[B] Wang 2200
[C] HP 9800
[D] Altair 8800
Show Answer
Correct Answer: D [Altair 8800]
Notes:
First true personal computer Altair 8800 which was created by Micro Instrumentation and Telemetry Systems MITS. It was based on 8-bit Intel 8080 microprocessor. It was introduced in 1974.
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