Computer — All MCQs

4795 questions available

Showing 2281–2300 of 4795

Q2281.When installing the Windows 10 operating system on a computer, what is the minimum storage space required?

Easy
A 64 GB
B 32 GB
C 16 GB
D None of these
Computer Terminology PPSC

Correct Answer: B

Microsoft specifies a minimum of 32 GB storage space to install Windows 10.

Q2282.What do we call a computer program that can spread across computers and networks by making copies of itself?

Easy
A Virus
B Worm
C Adware
D None of these
Computer Networks PPSC

Correct Answer: A

A Computer Virus is a malicious program that replicates itself by attaching to host files.

Q2283.The number system used by digital computers to process quantitative information is?

Easy
A Octal
B Decimal
C Binary
D None of these
Computer Basics PPSC

Correct Answer: C

Digital systems represent and process all quantitative data in binary (0s and 1s).

Q2284.Among the following options, which are the five main components of a communication system?

Easy
A Message, sender, receiver, network, wire
B Message, sender, receiver, medium, protocol
C Sender, receiver, protocol, signal, computer
D None of these
Computer Networks PPSC

Correct Answer: B

The five foundational parts of a communication system are Message, Sender, Receiver, Medium, and Protocol.

Q2285.If you are asked to classify computers based on their size, which of the following options correctly represents this classification?

Easy
A Analog, Digital, Hybrid
B General purpose, Special purpose
C Mainframe, Mini frame, Supercomputer, Microcomputer
D None of these
Computer Basics PPSC

Correct Answer: C

Computers are classified by size into Microcomputers, Minicomputers, Mainframes, and Supercomputers.

Q2286.From the following options, which computing device belongs to to the first generation of computers?

Easy
A IBM 1401
B IBM 7094
C Electronic Numerical Integrator and Calculator (ENIAC)
D None of these
Computer History PPSC

Correct Answer: C

ENIAC (Electronic Numerical Integrator and Computer) was a first-generation computer using vacuum tubes.

Q2287.To uniquely identify a record in a table we need a _____ key.

Easy
A Foreign key
B Primary key
C Table key
D None of these
Computer Terminology PPSC

Correct Answer: B

A Primary Key enforces unique identification of each record in a database table.

Q2288.Which one of the following could be a line of code from Machine Language programming?

Easy
A Print("Hello world")
B Cout<<"Hello world"
C 10101110111101111
D None of these
Computer Terminology PPSC

Correct Answer: C

Machine language is the lowest-level language consisting entirely of binary instructions.

Q2289.Among the following, which one is not a function of an operating system?

Easy
A Text editing
B Booting
C Memory management
D I/O management
Computer Terminology PPSC

Correct Answer: A

Text editing is an application-level task (e.g. MS Word), not a core utility of an operating system.

Q2290.Which of the following options is a branch of Artificial Intelligence (AI)?

Easy
A Machine learning
B Programming
C Deep thinking
D None of these
Computer Terminology PPSC

Correct Answer: A

Machine Learning (ML) is a core scientific discipline and branch of AI.

Q2291.If you want to create a field to store a person's address in a table, which data type should you use?

Easy
A String
B Floating point
C Character
D None of these
Computer Networks PPSC

Correct Answer: A

A textual address with alphanumeric characters is stored using the String data type.

Q2292.How many layers does the OSI model have?

Easy
A 5
B 6
C 7
D 8
General MCQs PPSC

Correct Answer: C

The standard OSI model features 7 abstract network protocol layers.

Q2293.Which of the following is not a web design tool?

Easy
A Oracle
B WordPress
C Figma
D Wix
General MCQs PPSC

Correct Answer: A

Oracle is a database management platform, whereas WordPress, Figma, and Wix are web design utilities.

Q2294.The binary addition of two high bits results?

Easy
A 11
B 00
C 10
D None of these
General MCQs PPSC

Correct Answer: C

In binary, adding 1 + 1 equals 10 (decimal 2).

Q2295.What is use of NVMe in SSD?

Easy
A Store more files than HDDs
B Connect the SSD via USB
C Provides faster data transfer and lower latency
D Cools the SSD automatically
General MCQs PPSC

Correct Answer: C

NVMe (Non-Volatile Memory Express) provides rapid data transfer and reduced latency by communicating via the PCIe lane.

Q2296.A program should be?

Easy
A Random
B Sequential
C Parallel only
D Circular
Computer Basics PPSC

Correct Answer: B

A standard computer program is a set of logical, sequential instructions.

Q2297.1024 kilobytes is equal to ____?

Easy
A 1 terabyte
B 1 gigabyte
C 1 megabyte
D Both A and B
General MCQs PPSC

Correct Answer: C

1024 KB is equivalent to 1 Megabyte (MB).

Q2298.Data arranged in intelligible form is called?

Easy
A Program
B Software
C Information
D Alphanumeric data
Computer Basics PPSC

Correct Answer: C

Information is structured, interpreted, and processed data that has meaning.

Q2299.How does C++ handle lexicographical string comparison?

Easy
A By length only
B By character ASCII values in order
C Randomly
D By reversing strings
Computer Terminology PPSC

Correct Answer: B

C++ compares strings alphabetically (lexicographically) using character-by-character ASCII values.

Q2300.Why are constants ignored in Big-O analysis?

Easy
A They are irrelevant for large input sizes
B They are always zero
C They depend on memory
D They improve performance
Computer Basics PPSC

Correct Answer: A

As inputs scale to infinity, constant coefficients become negligible in determining asymptotic growth rate.