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. In a computer file systems which among the following is top or first in hierarchy?
[A] root directory
[B] parent directory
[C] home directory
[D] working directory
Show Answer
Correct Answer: A [root directory ]
Notes:
In computer systems (particularly UNIX and UNIX like OS), root directory is the first and top-most directory in the hierarchy.
2. “Internet escrow ” is a term most commonly related to which of the following?
[A] E-commerce
[B] Software Development
[C] Privacy Security
[D] Database Management
Show Answer
Correct Answer: A [E-commerce]
Notes:
Escrow is a financial instrument whereby an asset is held by a third party on behalf of two other parties that are in the process of completing a transaction. E commerce hold the asset of a merchant before it is sold to a customer. So it is Internet escrow.
3. Which among the following is the essential character of the ADSL Internet Connections?
[A] High Download Rate , Low upload Rate
[B] High Upload rate, Low download Rate
[C] Use of voice spectrum of the telephone lines
[D] Use of cable television infrastructure.
Show Answer
Correct Answer: A [High Download Rate , Low upload Rate]
Notes:
ADSL – asymmetric digital subscriber line is a type of broadband communications technology used for connecting to the Internet. ADSL allows more data to be sent over existing copper telephone lines. It is characterized by High download rate and low upload rate.
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. Which among of the following was the world’s first electronic stored-program computer?
[A] Colossus
[B] ENIAC
[C] Manchester Baby
[D] EDVAC
Show Answer
Correct Answer: C [Manchester Baby]
Notes:
The Manchester Baby was the world’s first electronic stored-program computer built at Victoria University of Manchester by Frederic C. Wiiliams.
6. Which of the following was the first commercially available computer?
[A] UNIVAC I
[B] IBM 5150
[C] IBM System/360
[D] Cray-1
Show Answer
Correct Answer: A [UNIVAC I]
Notes:
The UNIVAC I (UNIVersal Automatic Computer I) was the first commercially available computer, developed by J. Presper Eckert and John Mauchly at the University of Pennsylvania. It was first installed and used by the US Census Bureau in 1951. The machine was used mainly for governmental and scientific applications. It marked a significant step forward in computing technology, paving the way for the development of modern computing systems.
7. Who had build the first electronic digital computer?
[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry
Show Answer
Correct Answer: C [John Atanasoff]
Notes:
John V. Atanasoff who is an Ameican mathematician and also a physicist built the first electronic digital computer.
8. What is the function of a digital component in a hybrid computer?
[A] Controller
[B] Storage
[C] Solver of Differential equations
[D] All of the above
Show Answer
Correct Answer: A [Controller]
Notes:
The digital component in a hybrid computer acts as a controller and provides logical and numerical operations.
9. 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.
10. Which of the following is not a characteristic of a desktop replacement computer?
[A] Full capabilities of a desktop
[B] Remains fixed and is not mobile
[C] Large display than most portable systems
[D] Powerful components
Show Answer
Correct Answer: B [Remains fixed and is not mobile]
Notes:
Unlike desktops, the desktop replacement computer has full capabilities of the desktop computer but is not mobile. They are in the category of a bulkier laptop.
