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Understanding Computer Hardware Components

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Understanding Computer Hardware Components

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Questions and Answers

What is the purpose of the transformer in the power supply?

To control the fan

To regulate voltage

To convert alternating current to direct current (correct)

To provide electrical connections to components

Which component is responsible for executing computer programs?

Motherboard

Hard Drive

CPU (correct)

Power Supply

What is the term for the process of retrieving, decoding, and running a program instruction from memory?

Fetch execute cycle (correct)

Writeback cycle

Decode execute cycle

Fetch decode cycle

What is the function of the voltage control in the power supply?

To regulate voltage Signup and view all the answers

Which component provides electrical connections by which all components in the system communicate?

Motherboard Signup and view all the answers

What is the purpose of the fan in the power supply?

To cool the system Signup and view all the answers

What is the term for the components that expand the computer's capabilities?

Peripheral components Signup and view all the answers

What is the process by which the CPU executes a program instruction?

Fetch, decode, execute, writeback Signup and view all the answers

What is the primary function of the motherboard?

To provide electrical connections to components Signup and view all the answers

What is the term for the cycle that the CPU continually repeats when it is turned on?

Fetch execute cycle Signup and view all the answers

Study Notes

Power Supply

Converts alternating current from the outlet to direct current for the computer's hardware components
Consists of a transformer, voltage control, and fan

Motherboard

Central circuit board that provides electrical connections for system components to communicate
Has many ports and slots for connecting peripheral components
May have built-in components such as CPU, graphics cards, RAM, and hard drive

Central Processing Unit (CPU)

Executes computer programs using a four-step process: fetch, decode, execute, and writeback
Retrieves program instructions from memory, breaks them down, executes them, and outputs results
Continually repeats the fetch-execute cycle when turned on

Fetch-Execute Cycle

The basic operation of a computer
Involves:
- Fetch: retrieving an instruction from computer memory
- Decode: breaking down instructions and dispersing them throughout the CPU
- Execute: performing the desired operation using the broken-down instructions
- Writeback: outputting the results of the executed instructions

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Description

Learn about the essential components of a computer system, including power supply, motherboard, and CPU. Discover their functions and roles in making a computer work.