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Questions and Answers
What is the primary function of the Central Processing Unit (CPU)?
What type of computer is designed for mobile use?
Which generation of computers is characterized by the use of microprocessors?
What is the primary function of the Storage Drive?
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What is the term for the physical components of a computer system?
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What is the primary function of the Input/Output Devices?
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Which type of computer is designed to manage and provide access to resources over a network?
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What is the term for the programs and operating systems that run on a computer?
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What is the primary function of the Memory (RAM)?
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Study Notes
Definition
- A computer is an electronic device that can store, process, and communicate information.
Components
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Hardware: physical components of a computer system
- Central Processing Unit (CPU): executes instructions and performs calculations
- Memory (RAM): temporary storage for data and applications
- Storage Drive: permanent storage for data and programs
- Input/Output Devices: keyboard, mouse, monitor, etc.
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Software: programs and operating systems that run on the computer
- Operating System: manages hardware and provides interface for user interaction
- Application Software: programs that perform specific tasks
Types of Computers
- Desktop Computers: designed for use on a desk or table
- Laptop Computers: portable, designed for mobile use
- Mobile Devices: smartphones, tablets, and other handheld devices
- Server Computers: designed to manage and provide access to resources over a network
- Mainframe Computers: large, powerful computers used for enterprise-level applications
Functions
- Processing: executing instructions and performing calculations
- Storage: storing data and programs
- Input/Output: accepting user input and displaying output
- Communication: exchanging data with other devices over a network
Generations of Computers
- 1st Generation (1940s-1950s): vacuum tube-based computers
- 2nd Generation (1950s-1960s): transistor-based computers
- 3rd Generation (1960s-1980s): integrated circuit-based computers
- 4th Generation (1980s-present): microprocessor-based computers
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Description
Learn the fundamental components, types, and functions of computers, including hardware, software, and their generations. Understand the basics of computer systems and their applications.
