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. The word bandwidth is also used to mean ________?
[A] width of the data cable
[B] amount of data transferred
[C] number of the computers on a particular network
[D] none of the above
Show Answer
Correct Answer: B [amount of data transferred ]
Notes:
Bandwidth refers to the amount of data that can be transmitted in a fixed amount of time. For digital devices, the bandwidth is usually expressed in bits per second(bps) or bytes per second.
2. A DSLAM is a device used by Internet Service Providers (ISPs) to route incoming DSL connections to the Internet. What is its correct full form?
[A] Digital Subscriber Line Access Multiplexer
[B] Digital Subscriber Line Access Multiplier
[C] Digital Service Line Access Multiplexer
[D] None of these
Show Answer
Correct Answer: A [Digital Subscriber Line Access Multiplexer ]
Notes:
A digital subscriber line access multiplexer is a network device which is located in telephone exchanges. It connects multiple customer digital subscriber line interfaces to a high-speed digital communications channel using multiplexing techniques.
3. 32 bit operations were introduced for the first time by Microsoft in ________?
[A] windows 9.5
[B] windows 3.0
[C] windows 3.11
[D] None of the above
Show Answer
Correct Answer: C [windows 3.11]
Notes:
Windows 3.11 was released on November 8, 1993. It added many feature improvements over Windows 3.1. 32 bit operations were introduced for the first time by Microsoft.
4. Which of the following is the processing unit of the computer?
[A] CPU
[B] Memory
[C] Graphic Card
[D] Mother Board
Show Answer
Correct Answer: A [CPU]
Notes:
A modern computer consists of at least one processing element called the Central Processing Unit or CPU.
5. Which of the following can change the sequence of instructions to be fetched by the processor?
[A] Jumps
[B] Subroutine Calls
[C] Returns
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Processors usually get instructions from memory but the sequence is usually changed by placing of a new value in the PC like branches also called jumps, subroutine calls and returns.
6. Which of the following was the first commercial transistor computer?
[A] EDSAC
[B] Metrovick 950
[C] SIRAC
[D] Zuse Z4
Show Answer
Correct Answer: B [Metrovick 950]
Notes:
Metrovick 950 was the first commercial transistor computer.
7. What kind of data is processed by an analog computer?
[A] Discrete Data
[B] Intermittent Data
[C] Discretely varying Data
[D] Continuously varying Data
Show Answer
Correct Answer: D [Continuously varying Data]
Notes:
An analog computer is the one which is used to process continuously varying data. This changeable yet continuous data is generally referred to as the analog data.
8. Which of the following comprise vital electronic components of an analog clock?
[A] Multipliers
[B] Potentiometers
[C] Operational amplifiers
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Key electronic components of an analog computer include precision resistors, multipliers, potentiometers, operational amplifiers, fixed-function generators etc.
9. What is the use of Output devices?
[A] To input data
[B] To store data
[C] To scan data
[D] To view or print data
Show Answer
Correct Answer: D [To view or print data]
Notes:
An output device is any device that receives data from a computer. It is any piece of computer hardware equipment which converts the electronically generated information into human-readable form.
10. Which of the following is the device that is constructed with the series of sensors that detects hand and finger motion?
[A] Digitizers
[B] Data glove
[C] Joystick
[D] Track ball
Show Answer
Correct Answer: B [Data glove]
Notes:
Data glove senses, detects hand and finger motion. It is an interactive device, resembling a glove worn on the hand. It also often contains a motion tracker.
