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Built a PC Study Guide: Basic Components and Functions

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Questions and Answers

What is the primary function of the power supply unit in a computer?

To control the input and output of data between components
To provide cooling for the internal components
To store data when the computer is turned off
To convert the power from the outlet into usable power for the internal hardware (correct)

What is the key difference between an HDD (hard disk drive) and an SSD (solid-state drive)?

HDDs use magnetic disks to store data, while SSDs use flash-based memory (correct)
SSDs require more power to operate than HDDs
HDDs are faster than SSDs for reading and writing data
SSDs are more expensive and have less storage capacity than HDDs

What is the primary advantage of an SSD over an HDD?

SSDs are more affordable than HDDs
SSDs are more energy-efficient than HDDs
SSDs have a longer lifespan than HDDs
SSDs have faster read and write speeds than HDDs (correct)

What is the purpose of the form factor in computer hardware components?

To ensure compatibility between different computer parts (B) Signup and view all the answers

What is the primary characteristic of non-volatile data storage devices like HDDs?

They can store data permanently, even when the power is turned off (B) Signup and view all the answers

What is the role of the Central Processing Unit (CPU) in a PC?

Interprets and executes instructions from software programs (D) Signup and view all the answers

Which component of a PC is responsible for storing short-term data required for proper operation?

RAM (Random Access Memory) (C) Signup and view all the answers

What is the main function of a Graphics Processing Unit (GPU) in a PC?

Refreshes the computer screen 60+ times a second (C) Signup and view all the answers

Which component of a PC serves as the 'brain' of the system?

Central Processing Unit (CPU) (C) Signup and view all the answers

What is the primary purpose of a motherboard in a PC setup?

Connecting all components together to create a cohesive whole (C) Signup and view all the answers

Which component must be compliant with the motherboard for proper functioning?

Central Processing Unit (CPU) (B) Signup and view all the answers

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