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. What is the full form of ADSL?
[A] Automatic Digital Subscriber Line
[B] Asymmetric Direct Subscriber Line
[C] Asymmetric Digital Subscriber Line
[D] None of these
Show Answer
Correct Answer: C [Asymmetric Digital Subscriber Line ]
Notes:
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line technology. It is a data communications technology which enables faster data transmission. It uses copper telephone lines.
2. 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.
3. Which among the following is NOT a web browser?
[A] SpaceTime
[B] NeoPlanet
[C] Sputnik
[D] MeeGo
Show Answer
Correct Answer: D [MeeGo]
Notes:
MeeGo is not a web browser. It is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin and Maemo.
4. One nibble is equal to_?
[A] 4 Bits
[B] 4 Bytes
[C] 8 Bytes
[D] 8 Kilo Bytes
Show Answer
Correct Answer: A [4 Bits]
Notes:
In computing, a nibble (often nybble or even nyble to simulate the spelling of byte) is a four-bit aggregation, or half an octet. As a nibble contains 4 bits, there are sixteen possible values, so a nibble corresponds to a single hexadecimal digit (thus, it is often referred to as a “hex digit” or “hexit”).
5. “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.
6. Which of the following devices use computers as control systems for functioning?
[A] Industrial Robots
[B] Remote Controls
[C] Microwave Ovens
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Computers are used in a huge arena of human endeavours and act as a second self to all of us. These act as control systems in a number of household and industrial devices like industrial robots, microwave ovens, remote controls, smartphones, personal computers etc.
7. 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.
8. Which of the following is not an input device of the computer?
[A] Trackball
[B] Image Scanner
[C] Joystick
[D] Sound Card
Show Answer
Correct Answer: D [Sound Card]
Notes:
A sound card is not an input device of the computer. A trackball is a pointing device which consists of a ball held by a socket.
9. 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.
10. 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.
