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~How PC Parts Work~ (30 MARKS). List 4 External components you can see on the PC in front of you and describe the basic function of each one. 1) DVD Drive.

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Presentation on theme: "~How PC Parts Work~ (30 MARKS). List 4 External components you can see on the PC in front of you and describe the basic function of each one. 1) DVD Drive."— Presentation transcript:

1 ~How PC Parts Work~ (30 MARKS)

2 List 4 External components you can see on the PC in front of you and describe the basic function of each one. 1) DVD Drive – takes the information of the DVD and projects it onto the monitor. 2) Monitor – displays video and graphics which is generated from the computers graphics card. 3) Keyboard – a set of typewriter like keys that allow you to type what you want onto the screen. 4) USB Drive – takes the information from the USB, whether it’s photos, music, or other documents.

3 Inside of the case are internal components. List 6 components and describe the basic function of each one. 1) Power Supply - A power supply is an electronic device that supplies electric energy to an electrical load. 2) Motherboard - A motherboard is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems. 3) RAM - RAM or Random Access Memory is a type of computer memory that can be accessed randomly. 4) Video Graphics Card - A video card connects to the motherboard of a computer system and generates output images to display. 5) ROM - Once data has been written onto a ROM chip, it cannot be removed and can only be read. ROM retains its contents even when the computer is turned off. 6) Hard Drive - A hard drive disk is a non-volatile memory hardware device that permanently stores and retrieves information.

4 List 7 Communication Parts. Describe the appearance and common uses of each one. 1) Keyboard – a keyboard looks like a smaller, more efficient typewriter. You can type what you want and it will appear on screen. 2) Mouse – a mouse is a little hand held device that allows you to click on what ever you want and it “guides” the computer. 3) DVD Drive – a DVD drive is a little slot in the computer where you’re able to put in a DVD and sync all the storage off that DVD onto the computer. 4) USB – a USB is a little stick of memory that you can stick into the computer to input data like, photos, music and other documents. 5) Power Supply – the power supply looks like a bunch of devices with a fan on the side of a case and it converts mains AC to low-voltage regulated DC power for the internal components of a computer. 6) Motherboard – a mother board hold together many of the crucial components of a computer, including the central processing unit (CPU), memory and connectors for input and output devices. 7) Video Card – video card looks like a rectangle with an opening at the top that looks like a fan and its used for generation output images to display. They’re also referred to as graphics cards.

5 Compare Primary and Secondary Storage. Primary storage typically refers to random access memory (RAM) Secondary storage refers to the computer's internal hard drive. A primary storage device is RAM.  A secondary storage device is

6 Explain what a byte, mega byte, and a gigabyte are. Byte – a byte is a unit of data that is eight binary digits long. Mega Byte – a multiple of the unit byte for digital information. Its recommended unit symbol is MB. Gigabyte – a measure of computer data storage capacity that is roughly equivalent to 1 billion bytes. ---------------------------------------------------------------- Byte - 8Bits= 1 byte(s) KB - Kilobyte = 1000 bytes MB - Megabyte= 1,000,000 bytes GB – Gigabyte= 1,000,000,000 bytes


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