PPSC PAST PAPERS ALL MCQS 2024 OF COMPUTER
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
The first cell referenced
Parenthesis
Quotation marks
An equal sign
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Explanation
Formulas are equations that perform calculations on values in your sheet.
All formulas begin with an equal sign (=).
You can create a simple formula by using constant and calculation operators .
For example, the formula =5+2*3, multiplies two numbers and then adds a number to the result.
جب آپ پاورپوائنٹ میں پریزنٹیشن کھولتے ہیں تو بائیں پینل پر کون سا ٹیب دستیاب نہیں ہوتا ہے؟
Outline
Slides
Notes
All of these
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Explanation
The "Notes" section is located below the slide, not on the left panel.
The left panel mainly focuses on slide navigation and outlining.
ویب صفحات تک رسائی کے لیے کون سا سافٹ ویئر استعمال کیا جاتا ہے؟
Browser
URL
IP
None
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Explanation
The software to view HTML documents as a Web page is called a Web browser.
Popular ones are Google Chrome, Apple's Safari, Mozilla's Firefox, Opera and Microsoft's much hated Internet Explorer.
مواصلاتی چینلز پر ترسیل کے لیے ڈیجیٹل سگنلز کو اینالاگ سگنلز میں تبدیل کرنے کے لیے کون سا عمل استعمال کیا جاتا ہے
Modulation
Encoding
Decoding
Multiplexing
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Explanation
The process used to convert digital signals into analog signals for transmission over communication channels is called modulation .
Modulation involves altering a carrier signal (which is analog) to encode the digital information ,
Allowing it to be transmitted over mediums that typically carry analog signals, such as radio waves or telephone lines.
Digital signals
Binary signals
Analog signals
Pulse signals
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Explanation
Traditional telephone lines typically carry analog signals.
When we speak on a traditional landline phone, our voice (which is analog) is converted into electrical signals that travel through the telephone wires.
These analog signals are then transmitted over the telephone network.
@
#
%
*
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Explanation
In both C and C++ programming languages, the symbol used to access the value stored at a memory address (dereferencing a pointer) is the asterisk (*).
* and & are the operators used in pointers.
* gives us the value stored at a particular address
whereas “ & “ gives us the address of the variable
Reliability
Security
Performance
All of these
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Explanation
Reliability : Networks allow data redundancy and backup systems, which can improve reliability. Security: Networks enable centralized security measures like firewalls and encryption to protect data. Performance: Networks improve communication speed and data transfer, allowing for efficient resource sharing and collaboration.
سافٹ ویئر مینیجر کی عام ذمہ داریاں کیا ہیں؟
Planning software projects
Leading development teams
Managing budgets and resources
All of these
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Explanation
Software managers are responsible for:
Planning software projects: Organizing and scheduling the work. Leading development teams: Guiding and overseeing software engineers and teams. Managing budgets and resources: Allocating finances and other resources to ensure successful project delivery.
کمپیوٹر کی شارٹ ٹرم میموری کو کیا کہتے ہیں؟
RAM
ROM
Floppy
Hard disk
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Explanation
RAM (Random Access Memory)
- Main working memory of a computer.
- Stores r unning programs and active data.
- Slower than cache memory.
-Tens to hundreds of nanoseconds
- Volatile: data is lost when power is switched off .
- Types: SRAM and DRAM.
لینڈ اسکیپ اور اورینٹیشن کس کیٹگری میں آتے ہیں؟
Page Design
Page Layout
Page Setup
Page Orientation
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Explanation
Landscape and portrait are types of page orientation , which is the direction in which a document is displayed or printed.
Orientation
Description
Portrait
Vertical, with the height of the page greater than the width
Landscape
Horizontal, with the width of the page greater than the height