Components of a Desktop Computer

Just a box to install a computer.

2. CPU [Central Processing Unit]

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It performs all the calculations of all the devices installed on the whole computer. The speed of a CPU is determined in units of MHz (Megahertz) or GHz (Gigahertz).

3. Memory [RAM-Random Access Memory]

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Tem Temporary storage unit for the temporary storage of various systems running on the computer. RAM is defined as MB (Megabyte) or GB (Gigabyte). Its speed is measured in MHz (Megahertz) or GHz (Gigahertz) according to the CPU.

4. HDD [Hard Disk Drive]

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It stores user data, files, folders, documents, and entertainment media (unlike RAM). Its storage capacity is limited to GB (Gigabyte). Speed ​​is defined as rpm (revolutions per minute). There are three interface types.

1. PATA [Parallel ATA] – IDE / EIDE (40 Pins)

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2. SCSI [Small Computer System Interface] -50/68/80 Pins

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3. SATA [Serial ATA] -7 Pins

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5. CD / DVD Drive (Read and Write)

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Used to play and copy CDs and DVDs. Read Write is for creating a disc yourself (copying is also called disc burning). Combo Drive also appears here. You can read/write CDs; You can only read DVDs. This type of drive is called a combo drive. There are two types of CD discs: CD-R (Read) and CD-R / W (Read / Write). Capacity is 650MB and 700MB respectively. Drive speed is calculated in Kbps (Kilobytes per second).

6. Floppy Disk

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Floppy has less capacity. It is rarely used today. It was also previously used as a type of data storage. Standard Capacity is 1.44MB, Density is Double Sided High Density, Size is 3.5inches. The speed is 300rpm.

7. Monitor

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Monitors include CRT (Cathode Ray Tube), LCD (Liquid Crystal Display), and LED (Light-Emitting Diode) monitors, depending on the manufacturing technology.

8. Power Supply

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The power supply converts the 12V, 5v, 3.3v of DC power required for a PC from AC power. The power supply also includes connectors for the motherboard and the required devices.

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There are 650W, 700W, 750W, 800W, 1050W, 1275W and so on. The other accessories are the CPU Fan, Casing Fan, and Keyboard + Mouse. The CPU Fan helps to keep the CPU from overheating. It is a device that covers the CPU with Heatsink and Fan. Some people apply a thin layer of thermal compound before applying.