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Q641.Communication between a computer and keyboard involves?

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

Correct Answer: B

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

Q642.Which is removed in 3NF (Third Normal Form)?

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

Correct Answer: A

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

Q643.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
Other PPSC

Correct Answer: C

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

Q644.Which of the following is a graphics solution for processor?

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

Correct Answer: B

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

Q645.What is the result of the binary addition: 1011 + 1101 = ?

Easy
A 11000
B 10000
C 11100
D None of these
Other PPSC

Correct Answer: A

1011 (11) + 1101 (13) = 11000 in binary, which equals 24 in decimal.

Q646.Bit is the most famous basic unit in computing which stands for?

Easy
A Binary digit
B Base digit
C Basic digit
D Byte digit
Other PPSC

Correct Answer: A

Bit stands for Binary Digit, representing the most basic unit of information (0 or 1).

Q647.What is the time complexity of Linear Search?

Easy
A O(n²)
B O(log n)
C O(n)
D None of these
Other PPSC

Correct Answer: C

Linear Search works in a sequential manner. Average case: O(N/2) -> O(N), Best case: O(1), Worst case: O(N).

Q648.Which paradigm focuses on objects and classes?

Easy
A Logical
B Procedural
C Object-Oriented
D None of these
Other PPSC

Correct Answer: C

Object-Oriented Programming (OOP) is based on objects and classes. Blueprints for creating objects.

Q649.It is a graphical control area Microsoft Office that organizes commands into tabs and groups for easy access and provides quick access to tools and commands. It is called?

Easy
A Task Bar
B Menu Bar
C Ribbon
D None of these
Other PPSC

Correct Answer: C

Ribbon is the main graphical control area in MS Office. It organizes commands into tabs and groups.

Q650.A collection of cloud based productivity and collaboration tools that allows users to create, share and manage work online is called?

Easy
A Adobe Photoshop
B Microsoft Windows
C Google Workplace
D None of these
Other PPSC

Correct Answer: C

Google Workplace is a cloud-based productivity and collaboration suite. It includes tools like Gmail, Docs, Drive, Sheets, and Meet.

Q651.What does the .exe extension represent?

Easy
A Executable File
B Text File
C Image File
D None of these
Other PPSC

Correct Answer: A

The .exe extension stands for executable file. It contains programs or applications that can be run directly by the computer.

Q652.In computer, SDS stands for?

Easy
A Software Defined Storage
B Software Data System
C System Data Software
D None of these
Other PPSC

Correct Answer: A

SDS stands for Software Defined Storage in computer systems. It is a storage architecture managed by software instead of hardware.

Q653.To create an index, you mark the index entries by providing the _____ of the main entry and the ______ in your document, and then you build the index.

Easy
A Cross-reference, name
B Name, cross-reference
C Link, cross-reference
D None of these
Other PPSC

Correct Answer: B

Each entry includes the main term (name) and its location/reference in the document. Cross-references help link related topics.

Q654.Suppose that you have document having three columns, is it possible to have a vertical line between each column?

Easy
A No, it s not possible
B Yes, it is possible by selecting a check box in columns option dialog box
C Yes, but only in tables, not in columns
D None of these
Other PPSC

Correct Answer: B

MS Word allows text to be arranged in multiple columns. A vertical line can be added between columns by selecting a check box in the columns option dialog box.

Q655.Which of these is a a type of sound file?

Easy
A .DAT files
B .LOG files
C .DRV files
D .WAV files
Other PPSC

Correct Answer: D

WAV is a standard uncompressed audio file format used to store audio data.

Q656.What is the smallest and largest font size available in Font Size tool on formatting toolbar?

Easy
A Smallest 8 & largest 70
B Smallest 8 & largest 71
C Smallest 8 & largest 72
D None of these
Other PPSC

Correct Answer: C

Smallest 8 and largest 72 are the default preset sizes on the formatting toolbar.

Q657.A ________ is a single chip with two or more separate processor cores.

Easy
A Transistor
B Multi-core processor
C Resistor
D None of these
Other PPSC

Correct Answer: B

A multi-core processor is a single chip containing multiple processing units (cores).

Q658.Which of the following features cannot be found in the Data ribbon?

Easy
A What-If Analysis
B PivotTable
C Data Validation
D Text to Columns
Other PPSC

Correct Answer: B

In MS Excel, PivotTable is located in the Insert tab, while the other three are under Data Tools in the Data tab.

Q659.Which tab of the ribbon should you go to for removing gridlines on a worksheet?

Easy
A Formulates
B View
C Review
D Developer
Other PPSC

Correct Answer: B

To show or hide gridlines, go to the View tab and check/uncheck Gridlines.

Q660.In which tab of the ribbon can you change Workbook Views to Page Break Preview?

Easy
A Page Layout
B View
C Review
D None of these
Other PPSC

Correct Answer: B

Workbook Views like Page Break Preview are found in the View tab.