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Questions and Answers
What is the primary function of the Central Processing Unit (CPU)?
What is the primary function of the Central Processing Unit (CPU)?
- To store data and programs
- To perform calculations and operations (correct)
- To provide input to the computer
- To display output on the screen
Which of the following is an example of an output device?
Which of the following is an example of an output device?
- Hard drive
- Monitor (correct)
- Scanner
- Keyboard
What is the difference between a laptop and a desktop computer?
What is the difference between a laptop and a desktop computer?
- Desktop is portable, laptop is not
- Laptop is faster, desktop is slower
- Laptop is portable, desktop is fixed (correct)
- Desktop is for home use, laptop is for office use
What is the purpose of memory (RAM) in a computer?
What is the purpose of memory (RAM) in a computer?
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Which type of computer is specialized for managing networks and data storage?
Which type of computer is specialized for managing networks and data storage?
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What is the purpose of the operating system?
What is the purpose of the operating system?
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What is an example of a software application?
What is an example of a software application?
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Study Notes
Basic Computer
Definition
- A computer is an electronic device that can store, process, and communicate information.
- It takes in input, processes it, and produces output.
Components
- Hardware: Physical parts of the computer
- Input devices (keyboard, mouse, scanner)
- Central Processing Unit (CPU)
- Memory (RAM, ROM)
- Storage devices (hard drive, solid state drive)
- Output devices (monitor, printer, speaker)
- Software: Programs and operating systems that run on the computer
- Operating System (Windows, macOS, Linux)
- Application software (Microsoft Office, Google Chrome)
Functions
- Input: Entering data into the computer (typing, scanning, clicking)
- Processing: Performing calculations and operations on the data (calculations, comparisons)
- Storage: Holding data and programs in memory or storage devices
- Output: Presenting the results of processing (displaying on screen, printing)
Types of Computers
- Desktop: Fixed, non-portable computers for home or office use
- Laptop: Portable computers for mobility
- Tablet: Touch-screen devices for mobile use
- Server: Specialized computers for managing networks and data storage
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