Computer — All MCQs

4795 questions available

Showing 2941–2960 of 4795

Q2941.Which of the following is a type of multimedia file format that is commonly used for audio files?

Easy
A WAV
B JPEG
C PDF
D None of these
General MCQs PPSC

Correct Answer: A

WAV (Waveform Audio File Format) is a standard lossless audio format developed by Microsoft and IBM.

Q2942.________ is a network that connects computers and devices in a limited geographical area, such as a home, school, computer laboratory, or office building.

Easy
A Metropolitan Area Network (MAN)
B Local Area Network (LAN)
C Wide Area Network (WAN)
D None of these
Computer Networks PPSC

Correct Answer: B

A Local Area Network (LAN) spans a small, restricted geographic boundary like an office building, school campus, or house.

Q2943.Which of the following is a type of computer virus that is designed to spread from computer to computer over a network?

Easy
A Spyware
B Trojan horse
C Worm
D None of these
Computer Security PPSC

Correct Answer: C

A worm is self-replicating malware designed to actively spread across networks without requiring user action.

Q2944.Which of the following is a type of software that is used to create and edit text documents?

Easy
A Spreadsheet software
B Word processing software
C Database software
D None of these
MS Word PPSC

Correct Answer: B

Word processors like Microsoft Word or Google Docs are specifically engineered to write, format, and edit text documents.

Q2945.In the context of ChatGPT and its underlying models like GPT-3 and GPT-4, what is a Transformer

Easy
A A module that translates the user's prompt into binary code
B A type of neural network architecture that excels at handling sequential data by using "self-attention" mechanisms.
C A security protocol that filters harmful content from the AI's response.
D A database of pre-written answers that the AI uses to "transform" a question into a response.
MS Excel PPSC

Correct Answer: B

The Transformer is a deep learning architecture launched by Google in 2017 that uses self-attention mechanisms to analyze sequential data.

Q2946.Which of the following is an example of a computer peripheral device?

Easy
A Hard disk drive
B RAM
C Printer
D None of these
Computer Basics PPSC

Correct Answer: C

A printer is an external hardware accessory (peripheral device) used to print physical pages of digital files.

Q2947.Which of the following is an example of a cloud computing service?

Easy
A Windows
B Google Drive
C Microsoft Word
D None of these
Internet & Web PPSC

Correct Answer: B

Google Drive is a cloud-based storage service that hosts user data online and enables remote access and collaboration.

Q2948.Which of the following is a type of software used to protect a computer system from viruses and other malicious software?

Easy
A Antivirus
B Firewall
C Data backup software
D None of these
Computer Security PPSC

Correct Answer: A

Antivirus programs scan, detect, quarantine, and remove malicious code (viruses, worms, trojans, ransomware) from systems.

Q2949.Which of the following is a popular social media platform?

Easy
A Facebook
B Microsoft Excel
C Google Drive
D None of these
Internet Services & Communication PPSC

Correct Answer: A

Facebook is one of the world's most widely utilized social networking platforms owned by Meta.

Q2950.Which of the following is an example of a multimedia file format?

Easy
A PDF
B MP3
C HTML
D None of these
General MCQs PPSC

Correct Answer: B

MP3 is a highly popular digital audio compression format used to stream and store audio files.

Q2951.Which of the following is a type of software designed to harm or steal information from a computer system?

Easy
A Malware
B Firewall
C Antivirus
D None of these
Computer Security PPSC

Correct Answer: A

Malware (Malicious Software) is an umbrella term for any software written with malicious intent to infect or steal from devices.

Q2952.Which of the following is an application software?

Easy
A Microsoft word
B Processing unit
C Adder and logical unit
D Accumulator
General MCQs PPSC

Correct Answer: A

Microsoft Word is application software designed to execute task-specific end-user processing, whereas the others are processor hardware components.

Q2953.Which of the following are input devices?

Easy
A Keyboard
B Mouse
C Card reader
D All of these
Computer Basics PPSC

Correct Answer: D

Keyboards, mice, and card readers are all peripheral devices used to send data inputs into the central computer processor.

Q2954.Which of the following is a type of storage device?

Easy
A CD-ROM
B Hard Disk
C Printer
D None of the above
Computer Basics PPSC

Correct Answer: B

A Hard Disk is an electro-magnetic storage device that holds data permanently on a computer.

Q2955.What is an IP address?

Easy
A A software application used to access the internet
B A type of computer hardware
C A type of computer virus
D A unique identifier assigned to a computer on a network
Computer Networks PPSC

Correct Answer: D

An IP (Internet Protocol) address is a unique numerical identifier assigned to every device communicating on a TCP/IP network.

Q2956.Which of the following is an example of a multimedia application?

Easy
A Notepad
B Microsoft Word
C Adobe Photoshop
D Microsoft Excel
MS Excel PPSC

Correct Answer: C

Adobe Photoshop is a professional digital image design, graphics creation, and editing multimedia application.

Q2957.Which of the following is not a type of computer network?

Easy
A Universal Area Network (UAN)
B Local Area Network (LAN)
C Wide Area Network (WAN)
D Personal Area Network (PAN)
Computer Networks PPSC

Correct Answer: A

LAN, WAN, and PAN are standard network size classifications. Universal Area Network (UAN) is not a recognized computer network type.

Q2958.What is a computer virus?

Easy
A A type of insect that harms computer
B A type of program that harms computer
C A type of hardware that harms computer
D A type of firmware that harms computer
Computer Security PPSC

Correct Answer: B

A computer virus is a type of malicious software program written specifically to infect files and alter system operations.

Q2959.How many bits are there in 100 bytes?

Easy
A 700
B 900
C 1600
D 800
General MCQs PPSC

Correct Answer: D

There are exactly 8 bits in 1 byte, so 100 bytes = 100 * 8 = 800 bits.

Q2960.What is the purpose of the “BCC” field in an email?

Easy
A To add attachments to the email.
B To specify the recipient’s email address.
C To send a copy of the email to multiple recipients without revealing their email addresses to others.
D None of these
Internet Services & Communication PPSC

Correct Answer: C

BCC stands for Blind Carbon Copy, which allows sending hidden copies of an email to preserve recipient privacy.