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 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).
2. BSNL, Reliance, Shaw cable, AOL, Tata Indicom all can be kept in which one of the following groups?
[A] ISDN
[B] IRC
[C] ISP
[D] Icons
Show Answer
Correct Answer: C [ISP]
Notes:
all are internet service providers
3. Most of the internet banking sites provide which of the following feature to reduce the risk of keystroke logging for the password entry?
[A] Virtual keyboard
[B] Finger Touching
[C] Touch screen
[D] ShapeWriter
Show Answer
Correct Answer: A [Virtual keyboard ]
Notes:
Keystroke logging, often referred to as keylogging is the action of recording (logging) the keys struck on a keyboard. It is typically a covert thing, so that person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program. Virtual Keyboard reduces the risk of keystroke logging for the password entry.
4. ADSL data communications technology uses which of the following for faster data transmission?
[A] Voiceband modem
[B] Wireless Modem
[C] Copper telephone Lines
[D] Sockets
Show Answer
Correct Answer: C [Copper telephone Lines ]
Notes:
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology. It is a data communications technology that enables faster data transmission using copper telephone lines than a conventional voiceband modem can provide.
5. While working on Microsoft Word, which among the following is the command for “Undo”?
[A] Cntrl +A
[B] Cntrl +Z
[C] Cntrl +Y
[D] Cntrl +C
Show Answer
Correct Answer: B [Cntrl +Z ]
Notes:
Undo is an interaction technique which is implemented in many computer programs. Cntrl +Z is the is for Undo in Microsoft word.
6. 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.
7. Which of the following is the correct sequence of stages of data processing in a computer?
[A] Data Collection- Input Raw Data- Processing of Data-Information- Output
[B] Data Collection-Input Information-Processing of Data- Output
[C] Data Collection- Data Processing- Information-Data Output
[D] Data Input-Data Processing-Data Collection-Information-Output
Show Answer
Correct Answer: A [Data Collection- Input Raw Data- Processing of Data-Information- Output]
Notes:
The correct sequence of stages of data processing is Data Collection-Input Raw Data-Processing of Data-Information-Output
8. Which of the following are features of a subnotebook?
[A] Small physical dimensions
[B] Larger than hand-held computers
[C] Run complete versions of desktop/laptop OS
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
A subnotebook has all the features of a standard laptop computer but it has smaller physical dimensions. They are larger than hand-held computers and usually play on full-versions of the desktop/laptop OS.
9. Which of the following is used for 3D positioning and modeling, animation and other application?
[A] Space ball
[B] Trackball
[C] Spac ball
[D] All of the mentioned
Show Answer
Correct Answer: A [Space ball]
Notes:
Space ball is a 3D positioning device. Space ball is used as a graphical input device to enter any graphical data or information. Spaceball is based on fixed spherical ball
10. What is the full form of UDF ?
[A] Universal data frequency
[B] Unique disk format
[C] Universal disk format
[D] Undated disk format
Show Answer
Correct Answer: C [Universal disk format]
Notes:
Universal Disk Format (UDF) is a file system for computer data storage for a broad range of media. UDF is developed and maintained by the Optical Storage Technology Association (OSTA).