In how many catagories hard ware can be divided
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Computer hardware refers to the physical devices that make up a computer. Examples include the keyboard, monitor and disk drive.
Hardware devices can be classified into four distinct categories:
Input devices: For raw data input.Processing devices: To process raw data instructions into information.
Output devices: To disseminate data and information.Storage devices: For data and information retention.
1. Input Devices
Components which are used to input raw data are categorized under input devices. They aid in feeding data such as text, images, and audiovisual recordings. They even aid in file transfers between computers.
The keyboard is probably the most commonly used input device. Below are just some other types of input devices.

A microphone is an example of a sound input device.
Input Type
Examples
Pointing Device
Mouse, touchpad, touchscreen, multi-touch screen, pen input, motion sensor, graphics tablet, interactive smartboard, and fingerprint scanner.
Game Controller
Joystick, gamepad, and steering wheel.
Audio Input Device
Microphone and midi keyboard.
Bluetooth Peripheral
Keyboard, mouse, headset, gamepad, printer.
Visual and Imaging Device
Webcam, digital camera, digital camcorder, TV capture card, biometric scanner, and barcode reader.
Network Device
Ethernet hardware and Bluetooth/wireless hardware.
2. Processing Devices
Processing is the core function of a computer. It is the stage where raw data is transformed into information. Once data has been processed, it can be used for useful purposes.
Components that manipulate data into information are categorized under processing.
The microprocessor is the major device in this category. It works closely with primary memory during its operations. Data is stored temporarily in processor cache and primary memory during the processing period.
The microprocessor is subdivided into three important units, which work together in order to accomplish its function. The units are:
The control unit: It manages and supervises the operations of the processor and other components that are crucial in data manipulation.Arithmetic and logic unit: The ALU is responsible for all arithmetic and logic operations like addition, multiplication, subtraction, division, and comparison logic operations.Register and cache: These are storage locations inside the processor that respond to the instructions of the control unit by moving relevant data around during processing.

An AMD microprocessor is an example of a processing device.
3. Output Devices
Hardware components that disseminate and display both data and information are classified under the output category.
Output is the culmination of a cycle which starts with the input of raw data and processing.
These components are sub-categorized under softcopy and hardcopy output.
Softcopy output includes the intangible experience. The user derives visual satisfaction by reading a message through display components or listens to audio files through speakers.
On the other hand, hardcopy output devices are tangible, like printouts of paper and 3D models.

The CRT monitor is an output device.
Hardware devices can be classified into four distinct categories:
Input devices: For raw data input.Processing devices: To process raw data instructions into information.
Output devices: To disseminate data and information.Storage devices: For data and information retention.
1. Input Devices
Components which are used to input raw data are categorized under input devices. They aid in feeding data such as text, images, and audiovisual recordings. They even aid in file transfers between computers.
The keyboard is probably the most commonly used input device. Below are just some other types of input devices.

A microphone is an example of a sound input device.
Input Type
Examples
Pointing Device
Mouse, touchpad, touchscreen, multi-touch screen, pen input, motion sensor, graphics tablet, interactive smartboard, and fingerprint scanner.
Game Controller
Joystick, gamepad, and steering wheel.
Audio Input Device
Microphone and midi keyboard.
Bluetooth Peripheral
Keyboard, mouse, headset, gamepad, printer.
Visual and Imaging Device
Webcam, digital camera, digital camcorder, TV capture card, biometric scanner, and barcode reader.
Network Device
Ethernet hardware and Bluetooth/wireless hardware.
2. Processing Devices
Processing is the core function of a computer. It is the stage where raw data is transformed into information. Once data has been processed, it can be used for useful purposes.
Components that manipulate data into information are categorized under processing.
The microprocessor is the major device in this category. It works closely with primary memory during its operations. Data is stored temporarily in processor cache and primary memory during the processing period.
The microprocessor is subdivided into three important units, which work together in order to accomplish its function. The units are:
The control unit: It manages and supervises the operations of the processor and other components that are crucial in data manipulation.Arithmetic and logic unit: The ALU is responsible for all arithmetic and logic operations like addition, multiplication, subtraction, division, and comparison logic operations.Register and cache: These are storage locations inside the processor that respond to the instructions of the control unit by moving relevant data around during processing.

An AMD microprocessor is an example of a processing device.
3. Output Devices
Hardware components that disseminate and display both data and information are classified under the output category.
Output is the culmination of a cycle which starts with the input of raw data and processing.
These components are sub-categorized under softcopy and hardcopy output.
Softcopy output includes the intangible experience. The user derives visual satisfaction by reading a message through display components or listens to audio files through speakers.
On the other hand, hardcopy output devices are tangible, like printouts of paper and 3D models.

The CRT monitor is an output device.
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Inside a personal computer: Monitor. Motherboard. CPU(Microprocessor. Main memory(RAM) Expansion cards. Power supply unit. Optical disc drive. Hard disk drive (HDD). Keyboard. Mouse.
An example of a serial port.
Graphics Card.
Close-up of a Sound Card.
Network Interface Card.
pls mark brainlist answer
Inside a personal computer: Monitor. Motherboard. CPU(Microprocessor. Main memory(RAM) Expansion cards. Power supply unit. Optical disc drive. Hard disk drive (HDD). Keyboard. Mouse.
An example of a serial port.
Graphics Card.
Close-up of a Sound Card.
Network Interface Card.
pls mark brainlist answer
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