Computer — All MCQs

4795 questions available

Showing 2141–2160 of 4795

Q2141.In peer-to-peer networking?

Easy
A There is only one client and many servers
B Every computer is capable of playing the role of server
C Every computer is capable of playing the role of client, server or both at the same time
D None of these
Computer Networks PPSC

Correct Answer: C

In peer-to-peer networks, each node can act as both a client and a server simultaneously.

Q2142.Which volatile RAM is faster?

Easy
A DRAM
B SRAM
C Flash Memory
D None of these
Computer Basics PPSC

Correct Answer: B

SRAM (Static RAM) is much faster than DRAM because it does not require periodic refreshing.

Q2143.The internet address that doesn't change every day is called?

Easy
A Dynamic IP Address
B Static IP Address
C Temporary IP Address
D None of these
Internet & Web PPSC

Correct Answer: B

A Static IP Address remains permanently fixed, unlike dynamic addresses assigned by DHCP.

Q2144.The size of an IP address in IPv6 is?

Easy
A 32 bytes
B 128 bits
C 64 bytes
D None of these
Computer Networks PPSC

Correct Answer: B

IPv6 addresses have a size of 128 bits, compared to 32 bits for IPv4 addresses.

Q2145.CPU stands for?

Easy
A Central Processing Unit
B Central Procedural Unit
C Central Processing Unique
D None of these
Computer Basics PPSC

Correct Answer: A

CPU stands for Central Processing Unit, the primary hardware component that executes instructions.

Q2146.A 2D array used to describe descriptive information about an entity is called?

Easy
A List
B Table
C Stack
D None of these
Computer Terminology PPSC

Correct Answer: B

A Table is a two-dimensional structure composed of rows and columns used to store information.

Q2147.What is the other name of E-banking?

Easy
A Mobile banking
B Digital banking
C Online banking
D None of these
General MCQs PPSC

Correct Answer: C

E-banking is also referred to as Online Banking or internet banking.

Q2148.Entity integrity in a database means?

Easy
A A table can have duplicate rows
B Primary key can be NULL
C Primary key must be unique and not NULL
D None of these
Computer Terminology PPSC

Correct Answer: C

Entity integrity ensures that each row is uniquely identified; hence primary keys cannot be null.

Q2149.Communication between a computer and keyboard involves?

Easy
A Full-duplex
B Simplex
C Half-duplex
D None of these
General MCQs PPSC

Correct Answer: B

Keyboard-to-computer communication is simplex, meaning data travels in one direction only.

Q2150.Which is removed in 3NF (Third Normal Form)?

Easy
A Transitive dependency
B Partial dependency
C Redundant tables
D None of these
General MCQs PPSC

Correct Answer: A

3NF removes transitive dependencies where non-key fields depend on other non-key fields.

Q2151.In Windows, which shortcut opens the Task Manager directly?

Easy
A Alt + F4
B Ctrl + Alt + Del
C Ctrl + Shift + Esc
D None of these
MS Word Shortcut Keys PPSC

Correct Answer: C

Ctrl + Shift + Esc directly launches the Task Manager in Windows without secondary menus.

Q2152.Which bus provides the fastest communication between CPU and RAM?

Easy
A Front Side Bus
B PCI
C USB
D None of these
Computer Basics PPSC

Correct Answer: A

The Front Side Bus (FSB) carries data between the CPU and the system memory controller.

Q2153.Which command in Windows opens the Run dialog box?

Easy
A Win + R
B Ctrl + R
C Alt + R
D None of these
MS Word Shortcut Keys PPSC

Correct Answer: A

Pressing the Windows logo key + R opens the Run dialog box in Windows.

Q2154.Which file system is default in modern Windows versions?

Easy
A EXT4
B FAT32
C NTFS
D None of these
Computer Terminology PPSC

Correct Answer: C

NTFS (New Technology File System) is the default file system for modern Windows versions.

Q2155.What is the name of the high-capacity submarine internet cable system deployed in Pakistan for digital infrastructure upgrade?

Easy
A AAE-1
B SMW4
C SEA-ME-WE 6
D None of these
Internet & Web PPSC

Correct Answer: C

SEA-ME-WE 6 is the ultra-high capacity submarine cable system landing in Pakistan.

Q2156.Ctrl + X Shortcut is used in Microsoft Word to ______?

Easy
A Close Document
B Cut the Selected Contents
C Copy the Selected Contents
D Close Word Application
MS Word Shortcut Keys PPSC

Correct Answer: B

Ctrl + X cuts the selected text or objects and places them onto the clipboard.

Q2157.What is the Extension of MS Word documents?

Easy
A docs
B dos
C docx
D None of the above
MS Word PPSC

Correct Answer: C

.docx is the default file extension for Microsoft Word documents since Word 2007.

Q2158.What is the purpose of inserting header and footer in the document?

Easy
A To mark the starting of a page
B To enhance the overall appearance of the document
C To allow page headers and footers to appear on document when it is printed
D To make large document more readable
General MCQs PPSC

Correct Answer: C

Headers and footers display document title, author, or page numbers on printed pages.

Q2159.Which of the following is a graphics solution for processor?

Easy
A Drop Cap
B Clip Art
C Word Art
D None of these
General MCQs PPSC

Correct Answer: B

Clip Art provides a collection of ready-made graphic images and illustrations for documents.

Q2160.What is the grid size of a K-map for 3-variables?

Easy
A 2*4
B 4*4
C 4*8
D None of these
Computer Terminology PPSC

Correct Answer: A

A 3-variable Karnaugh Map has 2^3 = 8 cells, organized in a 2x4 grid.