PPSC PAST PAPERS MCQS 2004 TO 2020 OF COMPUTER
PPSC 20 years Subject wise Past Papers
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
مندرجہ ذیل میں سے کون سا غیر مستحکم اسٹوریج ڈیوائس ہے جو ڈیٹا کو مستقل طور پر ذخیرہ کرنے کے لئے استعمال ہوتا ہے ، یہاں تک کہ جب بجلی بند کردی جاتی ہے؟
- ROM
- RAM
- CPU
- None of these
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Explanation
ROM (Read-Only Memory)
- Stores non-modifiable data and instructions permanently.
- Non-volatile memory used for essential computer instructions.
RAM (Random Access Memory)
- Volatile memory used for temporary data storage.
- Supports active processes and operations on a computer.
- A type of insect that harms computer
- A type of program that harms computer
- A type of hardware that harms computer
- A type of firmware that harms computer
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Explanation
A computer virus is: deliberately created
A virus can remain dormant in our computer, without showing any sign or symptom.
Other Questions Related to "COMPUTER VIRUS"
***
Computer Virus operates by:
Dormancy and Replication
***
From where a computer can get a virus?
Email and in internet***
Which is the first computer virus in World?
Creeper
***
First, ever computer virus was created from -------:
Pakistan
ND11-3-2023
انٹرنیٹ کا باپ کسے کہا جاتا ہے؟
- Vint Cerf
- Charles Babbage
- Tim Berners Lee
- None of these
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Explanation
Vinton Gray Cerf, born on June 23, 1943.
He is an American Internet pioneer known as the "Father of the Internet."
In 1997, President Bill Clinton awarded him the U.S. National Medal of Technology.
- News Website
- Search engine
- Forum
- Both A and B
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Explanation
Yahoo started as a search engine and directory of web pages in 1994.
Over time, Yahoo expanded to include news, finance, and other content, becoming a popular news website.
کی بورڈ کو ______ کے طور پر استعمال کیا جاتا ہے؟
- Input device
- Out put device
- Printer
- None
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Explanation
Keyboard is an input device.
Keyboard is similar to electric typewriter.
Keyboard uses serial port to connect with computer.
Keys on keyboard are of mainly three types:
Alphanumeric keys: letters and numbers
Punctuation keys: comma, period, semicolon, etc.
Special keys: function keys, arrow keys, caps lock key, etc.
Keyboard inventor: Christopher Latham
Smallest key on keyboard: Space key
ایم ایس ایکسیس میں کس ڈیٹا کی قسم حروف نمبری حروف اور خصوصی علامتوں کی اجازت دیتی ہے؟
- Text
- Number
- Auto Number
- Date/Time
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Explanation
TEXT data type contains all types of text data type.
It comprises more than single-byte character that is supported by the system.
- Word Processor
- Operating system
- Application Soft ware
- none of these
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Explanation
"Window 2007" is a common way to refer to Windows Vista,
It is the version of the Windows operating system released by Microsoft in 2007.
Windows Vista: This operating system was a major release of the Windows NT family,
Released to manufacturing on November 8, 2006, and internationally on January 30, 2007.
Windows 7 was released in October 2009, and its internal version number is Windows NT 6.1
اگر کمپیوٹر میں ایک سے زیادہ پروسیسر ہوں تو اسے کیا کہا جاتا ہے؟
- Uniprocess
- Multiprocessor
- Multi_threaded
- Multi programming
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Explanation
A multiprocessor system refers to a computer with more than one processor working together to perform tasks simultaneously.It improves performance, reliability, and efficiency by enabling parallel processing.
- Motherboard
- Harddisk
- Processor
- All of these
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Explanation
Hardware refers to the physical, tangible components of a computer system
Motherboard: The main circuit board that connects all hardware components together.
Hard disk: A storage device that holds data and programs.
Processor (CPU): The brain of the computer that executes instructions and performs calculations.
In addition to these three, hardware also includes other components such as:
- RAM (Memory)
- Power Supply
- Graphics Card
- Sound Card
- Keyboard
- Mouse
- Monitor
- Case
مائیکروسافٹ ایکسل میں آپ جو فائل بناتے اور ایڈٹ کرتے ہیں اسے کیا کہتے ہیں؟
- A ledger
- A table
- A workbook
- None of these
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Explanation
A workbook is a file created in Microsoft Excel, It containing one or more worksheets.A worksheet (spreadsheet) is organized into cells, columns, and rows for entering and calculating data.Workbooks in Excel 2016 are saved with the .xlsx extension by default.