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Questions and Answers
What are the physical visible components of a computer system called?
What are the physical visible components of a computer system called?
- Firmware
- Hardware (correct)
- Software
- Utilities
What is the main function of the CPU in a computer system?
What is the main function of the CPU in a computer system?
- Data processing (correct)
- Data input
- Data storing
- Data output
What type of software is necessary to install application software on a computer?
What type of software is necessary to install application software on a computer?
- Operating System (correct)
- Middleware
- Utility Software
- Driver Software
Which device is primarily responsible for data output in a computer system?
Which device is primarily responsible for data output in a computer system?
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Which component is responsible for storing data in a computer system?
Which component is responsible for storing data in a computer system?
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Which of the following keys are considered alphanumeric keys on a keyboard?
Which of the following keys are considered alphanumeric keys on a keyboard?
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Study Notes
Computer System Components
- Hardware: Refers to the physical parts of a computer system.
- Software: A set of instructions that allow hardware to perform specific tasks.
System Software
- Operating System: Acts as a bridge between the user and the hardware, enabling application software installation.
Main Hardware Components
- Central Processing Unit (CPU): Responsible for data processing within the system.
- Memory: Facilitates data transfer but is not a storage device.
- Storage Devices: Designated for data storage.
- Input Devices: Enable data input into the computer system.
- Output Devices: Handle data output from the computer system.
Functions of Components
- Data Processing: Executed by the CPU.
- Data Storing: Managed by storage devices.
- Data Input: Conducted through input devices.
- Data Output: Carried out by output devices.
Keyboard Overview
- Alphanumeric Keys: Include letters, numbers, etc.
- Control Keys: Such as Ctrl, Alt, Esc, and Windows logo for system commands.
- Function Keys: Range from F1 to F12, serving specific functions.
- Navigation Keys: Include Home, End, Page Up, Page Down, Delete, Insert, and the Arrow keys for cursor movement.
- Numeric Keys: Comprised solely of numbers.
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