Desk Top Personal Computer - SS1 ICT Lesson Note

Desktop Personal Computer (PC)

 A desktop personal computer (PC) is a type of computer designed for individual use, primarily for tasks such as word processing, web browsing, multimedia consumption, software applications, and more. It's typically meant to be used on a desk or table, and it consists of several key components that work together to provide computing functionality.

Source:(computerhope.com)

Features

Desktop PCs are powerful computing devices designed to be used on a desk or table. They typically consist of a tower case containing the CPU, motherboard, and other components. They offer a wide range of customization options for performance, storage, and graphics capabilities.

Components

1. Central Processing Unit (CPU): The CPU is the "brain" of the computer and is responsible for executing instructions and performing calculations. It determines the overall performance and speed of the PC.
2. Memory (RAM): Random Access Memory (RAM) is used to temporarily store data that the CPU is actively using. More RAM allows the computer to run multiple applications simultaneously and perform tasks more efficiently.
3. Storage: Desktop PCs use various types of storage devices to store data, including hard disk drives (HDDs) and solid-state drives (SSDs). HDDs offer larger storage capacities at a lower cost, while SSDs are faster and more durable.
4. Motherboard: The motherboard is the main circuit board that connects and provides power to all the components. It includes the CPU socket, RAM slots, and connectors for other components like graphics cards, storage devices, and more.
5. Graphics Processing Unit (GPU): The GPU, also known as a graphics card or video card, is responsible for rendering graphics and images. It's important for tasks like gaming, video editing, and graphic design.
6. Power Supply Unit (PSU): The PSU provides power to all the components within the PC. Its wattage should be sufficient to support the power requirements of all the components.
7. Input/Output Ports: Desktop PCs come with various ports for connecting external devices such as monitors, keyboards, mice, printers, USB drives, and more.
8. Operating System (OS): The operating system is the software that manages the computer's hardware and software resources. Common desktop OSs include Windows, macOS, and Linux.
9. Peripherals: These are additional devices that can be connected to the desktop PC, such as monitors, keyboards, mice, printers, and external hard drives.
10. Expansion Slots: Desktop PCs often have expansion slots on the motherboard for adding additional components like sound cards, network cards, or additional graphics cards.
11. Tower Chassis: The physical case that holds all the components together is called the tower chassis. It comes in various sizes, including mini-tower, mid-tower, and full-tower, and provides ventilation and protection for the components.

Uses

Desktop PCs are used for a variety of tasks such as office work, gaming, video editing, programming, and more. They provide a stable and powerful platform for demanding applications.