• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Computer Systems - components parts of a computer

Extracts from this document...


P1 1. Hard drive (HDD) A. A hard drive is a storage device that can saves data and information, it safes the information and data in bit, decabit (10 bits), hectobit (100 bits), kilobit (1000 bits), megabit (1,000,000 bits), gigabit(1,000,000,000 bits). A hard is similar to a human's brain; a human's brain has short term memory and long term memory. A hard drive has long term memory. B. The Hard drive is like a humans long term memory it can save data on it for as long as you want to and nothing will happen to the data that you have saved on the hard drive it also loads the operating system. The hard drive communicates with loads of hardware in the PC, such as it communicates with the RAM. ...read more.


1. Motherboard A. A motherboard is the main board of a pc that carries busses, it has different sockets with different CPUs. The motherboard is the hardware of the pc where everything gets connected to, for example the RAM, hard drive, CPU, DVD drive and the power supply etc. B. The motherboard communicates with everything in the pc because the main and the most parts of the pc get connected to the motherboard. One thing that the motherboard communicates with is the CPU, it transfers busses from the motherboard to the CPU and then back, busses are parts data that have been saved by the user on the hard drive. 2. central processing unit (CPU) A. A CPU is hardware in the pc that you can call the brain of a PC. ...read more.


The graphics communicates with the motherboard because it takes data from it to display it some where, witch is the monitor and the graphics card communicates with the monitor because it needs to display something on it. 4. FireWire A. FireWire is a high speed data communication cable that transfers data one device to other device very fast. FireWire is faster then USB B. FireWire communicates a lot of devices such as digital cameras and other dives that need high speed data transfer rates. FireWire Transports data at 100, 200, or 400 Mbps. It much faster then a USB. 5. Digital video disc (DVD) A. The main use of a DVD is to hold digital data such music, movie, files and folders. It is used every form home to business. B. The DVD drive communicates with the hard drive and other storage devices because it needs to take the data from the storage devices to save it on the DVD ROM. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Computer Science section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Computer Science essays

  1. Peer reviewed

    information systems assignment 2

    4 star(s)

    I will also compare what each tool can do better than the others and why. Databases A database is used to gather information and use this efficiently. It stores information using relationships and tables to structure the information in the best way available.

  2. Peer reviewed

    Principles of Computer Networks

    3 star(s)

    Bus Topology - In a bus network the clients are connected via a shared communication line which is known as a bus. It is one of the easiest way of connect multiple clients. This topology consists of a main cable which either can be a twisted pair, coaxial or a

  1. Unit 2 computer systems

    Design, Create and Test -P5 Using my website I created for P4 I plan to add some cool features that allow interactivity, I will add a browser/OS detector, a form which requires an e-mail address (data validation) and an option to see how many minuets you have been on the site.

  2. Betting Shop computer investigation

    I wasn't given any information in detail. Without having much detailed information I have to prepare the investigation as though I am looking for every kind of electronic crime there is. With an open mind it makes the investigation much more through and lengthy, maybe turning up more clues to what has been occurring in this particular establishment.

  1. Analysis of Johnson Music

    George Johnson. My acknowledgement Dear Mr Johnson, Thank you for allowing me to research further into your shop. I will do my best to produce a system that will significantly improve stock control at your shop. I will write back to you soon to confirm a time for an interview with a salesperson at your shop.

  2. Control Unit, Memory Unit, and Arithmetic Logic Unit. The CPU or Central Processing ...

    Advantages * Large volumes of data can be held * The medium is freely transportable. These qualities make it valuable for producing back up copies of files stored on a computer system. Disadvantage Access to the data stored is, by necessity, sequential which makes it largely unsuitable for most data handling applications.

  1. Computer systems assignment 1

    as XP but they are replaced by free applications made for linux. There are also more device drivers for XP as companies create XP-specific drivers skipping linux. Linux is much lighter than XP and can be installed onto a system on the same partition as an additional application.

  2. Identify the constituent parts of a total computer system.

    disks are optical disks that use the same technology as musical compact disks. They store up to 650 Mb of data and a laser beam is used to read the data off the disk. Data is written onto the CD-ROM disk before it is sold and cannot be changed by the user.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work