Parts of system unit pdf

It also describes the physical organization of the motherboard components. Various input-output ports protrude at the back and front of the computer. They originate from the motherboard. They communicate with the various input-output devices used by a computer. There are two types of ports;. This is a high capacity magnetic data storage media with a volume disk this is usually non-removable. Mostly it holds the operating system, the application programs, and user data.

Nowadays we have portable hard disk drives that are used to store and transport data. There are different types of computer hard drives. The floppy disk drive FDD is a disk drive that can read and write to floppy disks. Floppy Disk Drives were used in the early days of the personal computer.

They are obsolete nowadays. The desktop computers come with a device called the optical disk drive. This is a disc drive designed to use laser light or electromagnetic waves within or near the visible light spectrum for reading or writing data to or from optical discs CDs and DVDs.

Modern drives can read and write on various optical discs. The computer data cable carries data from the drive to the motherboard and vice versa. Advanced search. About this site. Interactive worksheets. Make interactive worksheets Tutorial Video tutorial Get started.

Make interactive workbooks Video tutorial. Students access. Components Inside the System Unit A worksheet about naming the parts inside the system unit and match the ports. Background opacity: 0. Apply to the whole worksheet. More Computer Science interactive worksheets.

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Parts of the Computer game. System Unit. Related Books Free with a 30 day trial from Scribd. Related Audiobooks Free with a 30 day trial from Scribd. Elizabeth Howell. Parts of the system unit 1. Submitted by: Group 4 2. System Case The primary function of the computer system unit is to hold all the other components together and protect the sensitive electronic parts from the outside elements.

Motherboard A motherboard is one of the most essential parts of a computer system. It holds together many of the crucial components of a computer, including the central processing unit CPU , memory and connectors for input and output devices.

Power supply Power supply is an electronic device that supplies electric energy to an electric load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Heat sink A component designed to lower the temperature of an electronic device by dissipating heat into the surrounding air. A heat sink without a fan is called a passive heat sink; a heat sink with a fan is called an active heat sink.

Heat sinks are generally made of an aluminum alloy and often have fins. Graphics card A video card connects to the motherboard of a computer system and generates output images to display. Video cards are also referred to as graphics cards. Video cards include a processing unit, memory, a cooling mechanism and connections to a display device. Ports A port is an interface between a computer to another computer or peripheral devices, a mainly used port is the USB port.

Processor The processor is a the part of the computer which processes or deals with the data and processes in the system. Network card The network card allows data to be transferred between the computer and network. Hard Disk Drive HDD A hard disk is part of a unit, often called a "disk drive," "hard drive," or "hard disk drive," that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces. Memory works by storing and supplying the necessary data it needs fast processor to be processed into information.