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Questions and Answers
What is the primary function of the motherboard in a computer system?
What is the primary function of the motherboard in a computer system?
What is the unit of measurement for storage capacity that represents over 1 trillion characters?
What is the unit of measurement for storage capacity that represents over 1 trillion characters?
What type of software enables the computer to perform essential operating tasks and makes it possible for application software to run?
What type of software enables the computer to perform essential operating tasks and makes it possible for application software to run?
What is the term for the primary storage of a computer system?
What is the term for the primary storage of a computer system?
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What is the function of a modem in a computer system?
What is the function of a modem in a computer system?
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What is the term for the device that provides power to the computer system?
What is the term for the device that provides power to the computer system?
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What is the central processing unit (CPU) also known as?
What is the central processing unit (CPU) also known as?
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What type of software is specific to the system software you use and won't work on other system software?
What type of software is specific to the system software you use and won't work on other system software?
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What is the primary function of a computer?
What is the primary function of a computer?
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What is the main difference between primary and secondary storage?
What is the main difference between primary and secondary storage?
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What is the term for the electronic instructions that tell the computer how to perform a task?
What is the term for the electronic instructions that tell the computer how to perform a task?
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What is the term for the raw facts and figures that are processed into information?
What is the term for the raw facts and figures that are processed into information?
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What is the purpose of the input operation in a computer?
What is the purpose of the input operation in a computer?
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What is the term for the results of processing, such as on the screen or printouts?
What is the term for the results of processing, such as on the screen or printouts?
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What is the term for the machinery and equipment in a computer system?
What is the term for the machinery and equipment in a computer system?
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What is the term for sending and receiving data?
What is the term for sending and receiving data?
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What type of computer is used for scientific, mathematical, engineering, and computer-aided design applications?
What type of computer is used for scientific, mathematical, engineering, and computer-aided design applications?
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What is the primary function of a server in a client-server network?
What is the primary function of a server in a client-server network?
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Which type of microcomputer is commonly used for mobile purposes?
Which type of microcomputer is commonly used for mobile purposes?
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What is the term for tiny, specialized microprocessors inside appliances and automobiles?
What is the term for tiny, specialized microprocessors inside appliances and automobiles?
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What type of computer is used by individuals as well as businesses, and can be connected to networks of larger computers?
What type of computer is used by individuals as well as businesses, and can be connected to networks of larger computers?
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Which type of microcomputer is also known as an e-reader?
Which type of microcomputer is also known as an e-reader?
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What is the term for a network of computers where one central computer holds data and programs for clients to access?
What is the term for a network of computers where one central computer holds data and programs for clients to access?
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What type of computer is used for designing cars, drugs, and movie special effects?
What type of computer is used for designing cars, drugs, and movie special effects?
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Study Notes
Inside the System Cabinet
- The system cabinet contains:
- Case and power supply
- Processor chip (Central Processing Unit/CPU)
- Memory chips (Random Access Memory/RAM or primary storage)
- Motherboard (system board with expansion slots)
Storage Hardware
- Storage capacity is measured in bytes
- 1 byte = 1 character of data
- 1 kilobyte = 1,024 characters
- 1 megabyte = 1,048,576 characters
- 1 gigabyte = over 1 billion characters
- 1 terabyte = over 1 trillion characters
- 1 petabyte = about 1 quadrillion characters
- Storage hardware includes hard drives, CD/DVD drives, and more
Output Hardware
- Output hardware includes:
- Video
- Sound cards
- Speakers
- Monitor
- Printer
Communications Hardware
- Communications hardware includes:
- Modem
Software
- There are two types of software:
- System software (enables computer to perform essential tasks)
- Application software (enables specific tasks and problem-solving)
- System software includes:
- Operating system (OS)
- Examples: Windows, Unix, Linux, Mac OS
- Application software is specific to the system software used
How Computers Work
- Three key concepts:
- Data is turned into information
- Hardware and software have specific functions
- All computers involve input, processing, storage, output, and communications
- Computer purposes:
- Turning data into information
- Data: raw facts and figures
- Information: data summarized or transformed for decision-making
- Hardware vs. software:
- Hardware: machinery and equipment in a computer system
- Software: electronic instructions that tell the computer how to perform a task
Basic Operations of a Computer
- Input: what goes into the computer system
- Processing: manipulation of data to turn it into information
- Storage:
- Primary storage (memory): temporary storage for data waiting to be processed
- Secondary storage (hard disk, DVDs, CDs): permanent storage
- Output: results of processing, such as on the screen, printouts, sound
- Communications: sending and receiving data
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Description
This quiz covers the internal components of a computer system, including the case, power supply, processor, memory chips, and motherboard. Learn about the different parts that make up a computer's processing and memory hardware.
