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Questions and Answers
What type of memory is volatile and can be upgraded by inserting small cards into slots inside the system unit?
What type of memory is volatile and can be upgraded by inserting small cards into slots inside the system unit?
- Cache Memory
- RAM (correct)
- Video Memory
- Read Only Memory (ROM)
Which type of memory keeps software for reading only and cannot be written on by the computer?
Which type of memory keeps software for reading only and cannot be written on by the computer?
- RAM
- Cache Memory
- Read Only Memory (ROM) (correct)
- Video Memory
Which type of memory is linked to the CPU, contains very fast chips, and reduces the speed gap between the RAM and the CPU?
Which type of memory is linked to the CPU, contains very fast chips, and reduces the speed gap between the RAM and the CPU?
- Video Memory
- Read Only Memory (ROM)
- Cache Memory (correct)
- RAM
What is the function of Video Memory or video card in a computer system?
What is the function of Video Memory or video card in a computer system?
How many bits make up a byte in computer memory?
How many bits make up a byte in computer memory?
What is the purpose of a parallel port in a computer system?
What is the purpose of a parallel port in a computer system?
What is the function of a hard disk in a computer system?
What is the function of a hard disk in a computer system?
What is the primary purpose of a serial port in a computer system?
What is the primary purpose of a serial port in a computer system?
What is the main function of a network port in a computer system?
What is the main function of a network port in a computer system?
What is the role of a firewire in a computer system?
What is the role of a firewire in a computer system?
What does the term 'megahertz (MHZ)' measure in a CPU?
What does the term 'megahertz (MHZ)' measure in a CPU?
What is the function of the control unit in a CPU?
What is the function of the control unit in a CPU?
What are the physical components of a computer known as?
What are the physical components of a computer known as?
What is the main function of the arithmetic logic unit (ALU) in a CPU?
What is the main function of the arithmetic logic unit (ALU) in a CPU?
Where are the program instructions and data used by the arithmetic logic unit (ALU) stored in a CPU?
Where are the program instructions and data used by the arithmetic logic unit (ALU) stored in a CPU?
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Study Notes
Memory Types
- RAM (Random Access Memory) is volatile and can be upgraded by inserting small cards into slots inside the system unit.
- ROM (Read-Only Memory) keeps software for reading only and cannot be written on by the computer.
Cache Memory
- Cache Memory is linked to the CPU, contains very fast chips, and reduces the speed gap between the RAM and the CPU.
Computer Components
- Video Memory or video card is responsible for storing graphics and video data.
- A hard disk is used for storing data, programs, and operating systems.
- A parallel port is used for connecting devices such as printers.
- A serial port is used for connecting devices such as modems and mice.
- A network port is used for connecting computers to a network.
- A firewire (also known as IEEE 1394) is used for high-speed data transfer.
CPU Functions
- The term 'megahertz (MHz)' measures the clock speed of a CPU.
- The control unit in a CPU retrieves and decodes instructions, generates control signals, and manages data transfer.
- The arithmetic logic unit (ALU) performs arithmetic and logical operations.
- The program instructions and data used by the ALU are stored in the CPU's registers.
Computer Hardware
- The physical components of a computer are known as hardware.
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