Questions and Answers
What is the primary function of the control unit in a computer?
What is the process of entering raw data, instructions, and information into a computer?
What type of machine is a contemporary computer?
What is the purpose of the arithmetic and logic unit in a computer?
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What is the secondary storage device in a computer?
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What is the process of converting raw data into useful information in a computer?
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What is the function of an input device in a computer?
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What is the process of presenting processed data through devices like monitors and printers?
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What is the primary function of an input device?
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What does the Central Processing Unit (CPU) do with the input it receives?
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What is the most commonly used keyboard layout?
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What is the name of the French keyboard layout?
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Which of the following is NOT an example of an input device?
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How are keyboards typically connected to a computer?
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What is the primary function of a keyboard?
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What is an example of a specialized keyboard?
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Study Notes
Hardware Components of a Computer
- A computer system consists of physical parts that can be seen from the outside, including the keyboard, system unit, and monitor.
Elements of a Computing System
- Contemporary computers are based on the von Neumann architecture, which includes:
- Input devices
- Processor (CPU) - control unit, arithmetic and logic unit
- Memory
- Output devices
Operations of Computer Components
- Inputting: entering raw data, instructions, and information into the computer using input devices
- Storing: storing data and instructions in primary memory and secondary storage
- Processing: converting raw data into useful information using the CPU
- Outputting: presenting processed data through output devices
- Controlling: ensuring all basic operations are executed in a right manner and sequence by the control unit
Input Devices
- Allow users to communicate with a computer and enter information and commands
- Examples of input devices:
- Keyboard
- Mouse
- Scanner
- Joystick
- Light Pen
- Digitizer
- Microphone
- Magnetic Ink Character Recognition (MICR)
- Optical Character Reader (OCR)
- Digital Camera
- Paddle
- Steering Wheel
- Gesture recognition devices
- Light Gun
- Touch Pad
- Remote
- Touch screen
- VR
- Webcam
- Biometric Devices
Keyboard
- A basic input device used to enter data into a computer or other electronic device
- Has different sets of keys for letters, numbers, characters, and functions
- Connected to a computer through USB or Bluetooth
- Types of keyboards:
- QWERTY Keyboard: most commonly used, named after the first six letters of the top row of buttons
- AZERTY Keyboard: considered the standard French keyboard, developed in France as an alternative to QWERTY
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Description
This quiz covers the basics of computer hardware components, including the physical parts of a computer system, and the von Neumann architecture of contemporary computers.