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. 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.
3. What do we call a storage device where the access time is effectively independent of the location of the data?
[A] Direct Access Storage Device
[B] Secondary Storage Device
[C] Primary Storage Device
[D] Gateway Device
Show Answer
Correct Answer: A [Direct Access Storage Device ]
Notes:
A direct-access storage device is a secondary storage device. It is the place where “each physical record has a discrete location and a unique address”. IBM coined the term DASD as a shorthand describing hard disk drives, magnetic drums, and data cells.
4. Which among the following has been standardized in the IEEE 802.3 specification?
[A] Bluetooth
[B] Ethernet
[C] WiMAX
[D] All of the above
Show Answer
Correct Answer: B [Ethernet]
Notes:
Ethernet is a system for connecting a number of computer systems. It forms as LAN(local area network) with standard protocols. It was standardized in the IEEE.
5. In context with the dotted number format used in the IPv4 , which among the following is NOT possible?
[A] 128.0.0.1
[B] 255.152.0.0
[C] 259.1.1.268
[D] 202.102.4.4
Show Answer
Correct Answer: C [259.1.1.268]
Notes:
Please note that the above arrangement is known as `dotted quad` and in any of the 4 figures, the value can not exceed 256. So correct option is C
6. Which of the following lies within the CPU?
[A] Primary Memory
[B] Secondary Memory
Secondary Memory
[C] Mouse
[D] Keyboard
Show Answer
Correct Answer: A [Primary Memory]
Notes:
All input data and instructions are stored in the memory which is of two types-primary memory and the secondary memory. Primary memory resides within the CPU while the secondary memory is external to it.
7. Which of the following comprise the hardware components of the computer?
[A] Printer
[B] Keyboard
[C] Mouse
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The components of the computer which we can see and touch are called the hardware components of the computer. They include devices like keyboard, mouse, printer etc.
8. Which of the following comprise the software components of a computer?
[A] Programs
[B] Keyboard
[C] BIOS
[D] Memory
Show Answer
Correct Answer: A [Programs]
Notes:
The set of instructions or programs that make the computer function using the hardware parts are called the software. We cannot see or touch software.
9. Which of the following is seen as the earliest mechanical analog computer?
[A] Tally Stick
[B] Antikythera mechanism
[C] Planisphere
[D] Astrolabe
Show Answer
Correct Answer: B [Antikythera mechanism]
Notes:
The Antikythera mechanism is believed to be the earliest mechanical analog computer. It was designed to calculate astronomical positions.
10. Which of the following registers can hold both data and addresses?
[A] General Purpose Register
[B] Data Register
[C] Address Register
[D] Status Register
Show Answer
Correct Answer: A [General Purpose Register]
Notes:
A General Purpose Register can hold both Data and Address. This means they are combined data/address registers.
