System | MCQs

Explanation

• The parliamentary system of Government was introduced in the 1973 constitution.
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• The 1973 Constitution, is the supreme law of Pakistan.
  
• Zulifqar Ali Bhutto introduced the 1973 constitution in Pakistan on August 14, 1973.
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• According to the 1973 constitution, the Provincial Assembly, National assembly, and senate elect the President.
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• Whereas the prime minister is elected by the only national assembly.
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• The bicameral Legislature system was introduced for the first time in Pakistan in the constitution of 1973.
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Explanation

• An Operating System (OS) is System software.
• It manages hardware resources and provides a platform for running application software.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Explanation

Optical Fiber Systems are utilized in Telecommunication Systems to transmit data as light signals through thin glass or plastic fibers.

It enabling high-speed internet, voice, and data communications over long distances.

Explanation

F1

Opens the help menu when pressed with the Windows button.

F2

Allows you to edit the selected folder or file name in Windows Explorer & Cell

F3

Opens search feature in Windows Explorer

F4

Alt + F4 closes window

F5

Starts slideshow in PowerPoint

Refreshes Internet browser pages

F6

Goes to the next page in a split screen in Microsoft Word

F7

F7 does a spelling and grammar check in Microsoft Word

F8

In Excel, enables extend mode for arrow keys

F9

Refreshes document in Microsoft Word

F10

Opens menu bar

F11

Exits and enter full-screen mode in browsers

F12

Opens Save as in Word

AGM 08-2-2023

Explanation

UNIX is an operating system that was originally AT&T.

UNIX development started in 1969 at the Bell Labs research center by Ken Thompson and Dennis Ritchie.

UNIX was widely used for Internet servers, workstations, and mainframe computers.

Explanation

• The time and date are displayed on the system tray.
  
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• The system tray (or "systray") is a section of the taskbars in the Microsoft Windows operating system (OS) user interface that provides easy access icons to the user's most commonly used apps and displays the clock.
• A system tray is also available in other OSes such as Linux, Mac OS, Android, and iOS.
  

Explanation

 A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit, main memory, and a hard disk drive.

Input devices include a keyboard, mouse, microphone, video camera, and image scanner.

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Explanation

Following are the functions of a operating system.

1. Allocates resources
2. Monitor Activities
3. Manages disks and files

Explanation

The basic operations performed by a computer are arithmetic operations, logical operations and storage and relative functions.

Basically computer does 5 basic operations that are input, output, process,storing and controlling.

Explanation

پاکستان کا سب سے بڑا فوجی اعزاز نشان حیدر ہے۔