Podcast
Questions and Answers
What is the primary function of a Central Processing Unit (CPU)?
What is the primary function of a Central Processing Unit (CPU)?
Which of the following is an example of peripheral device?
Which of the following is an example of peripheral device?
What is the primary role of an operating system?
What is the primary role of an operating system?
What type of software is freely available and modifiable?
What type of software is freely available and modifiable?
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What is the primary function of a router?
What is the primary function of a router?
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Which of the following is an example of system software?
Which of the following is an example of system software?
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Study Notes
Hardware
- Physical components of a computer system:
- Input devices: keyboard, mouse, scanner, camera
- Processing devices: CPU (Central Processing Unit), GPU (Graphics Processing Unit)
- Storage devices: hard drive, solid state drive, flash drive
- Output devices: monitor, printer, speaker
- Networking devices: router, modem, network card
- Types of hardware:
- Peripheral devices: devices connected to the computer but not essential for its operation
- External devices: devices outside the computer case, e.g., keyboard, mouse
- Internal devices: devices inside the computer case, e.g., CPU, RAM
Software
- Programs and operating systems that run on computer hardware:
- System software: operating system, device drivers, utilities
- Application software: productivity software, games, multimedia applications
- Programming languages: Java, Python, C++, etc.
- Types of software:
- Open-source software: freely available and modifiable source code
- Proprietary software: owned and controlled by a single entity
- Freeware: free to use, but may have limitations or restrictions
- Shareware: free to try, but must be purchased for full use
Interaction between Hardware and Software
- Hardware provides the physical platform for software to run on
- Software instructs the hardware on what to do and how to do it
- The operating system acts as an intermediary between hardware and software, managing resources and allocating tasks
- Hardware and software must be compatible for a system to function properly
Hardware
- Physical components of a computer system include:
- Input devices: keyboard, mouse, scanner, camera
- Processing devices: CPU (Central Processing Unit), GPU (Graphics Processing Unit)
- Storage devices: hard drive, solid state drive, flash drive
- Output devices: monitor, printer, speaker
- Networking devices: router, modem, network card
- Peripheral devices are devices connected to the computer but not essential for its operation
- External devices are devices outside the computer case, e.g., keyboard, mouse
- Internal devices are devices inside the computer case, e.g., CPU, RAM
Software
- Programs and operating systems that run on computer hardware include:
- System software: operating system, device drivers, utilities
- Application software: productivity software, games, multimedia applications
- Programming languages: Java, Python, C++, etc.
- Open-source software has freely available and modifiable source code
- Proprietary software is owned and controlled by a single entity
- Freeware is free to use, but may have limitations or restrictions
- Shareware is free to try, but must be purchased for full use
Interaction between Hardware and Software
- Hardware provides the physical platform for software to run on
- Software instructs the hardware on what to do and how to do it
- The operating system acts as an intermediary between hardware and software, managing resources and allocating tasks
- Hardware and software must be compatible for a system to function properly
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Description
Identify the physical components of a computer system, including input, processing, storage, and output devices. Learn about peripheral and external devices, and understand their roles in a computer setup.