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

Recommend a computer system for a person who doesn’t or has disabilities with their hands.

Extracts from this document...

Introduction

Computer Hardware I have been asked to recommend a computer system for a person who doesn't or has disabilities with their hands. Input Devices: Keyboard - Is suitable for people who can read, write and spell. It is not very useful for people who are dyslexic. You should also be able to type easily. It could also help blind people by Braille. Mouse - Is good because it allows you to point and click on icons. It is not very suitable for people with disabilities e.g. blind. Left-handed people will also find it more difficult then right handed people. ...read more.

Middle

Can be very useful for blind, dyslexic or people with disabilities. Disadvantage is that it could make mistakes. Output Devices: Printer - Print out documents from the computers memory. There are different types of printers, laser printers give very high quality prints. Bubble jet printers are very good with colours, but a big problem is that the ink on the documents run when wet. Monitor - It displays files from the computers memory. There are different types of monitor, CRT monitors which work like a TV or a flat screen as in a laptop computer. ...read more.

Conclusion

Flash cards - Store data on silicon chips on the card. CDRom - Store 650Mb of data. Move files from one computer to another. If you have a CD writer you can write data to a CD. BITS and BYTES - A BIT stands for Binary DigIT. A bit is either on or off. A single wire inside the computer carries 1 bit. A byte is a collection of 8 bits. System Bus - A collection of wires inside the computer that join all the devices together. Motherboard - This is a special electronic board on to which all the devices are attached so that they can connect to the system bus ...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

    Principles of Computer Networks

    3 star(s)

    This means that the message can come out of order it can also be corrupted or sections missing from the message without you knowing or noticing. UDP works at the transport layer. This protocol is as important as other protocols because the upper layer protocol has no guarantee from UDP that the message has been successfully delivery.

  2. With diagrams compare and contrast the relative advantages and disadvantages of digital transmission over ...

    Coax has two conductors: an outer braided cylindrical one surrounding an inner solid or stranded core. The two conductors that are separated by a dielectrics, insulating material and the cable has an outer protective sheath. This construction is electrically designed to minimize signal interference and attenuation, and in this regard coax is far superior to twisted pair.

  1. Smart Card System

    IP, so IP have to been told which protocol to send the datagram to. Finally, the checksum allows IP at the other end to verify that the header wasn't damaged in transmit. TCP and IP have separate checksums. IP has to be able to verify that the header didn't get

  2. CP3 - Proposed Solution to a Realistic Problem - Apartment Administration software

    ( The documentation lacks the necessary detail. ( 1 The report is poorly organised and may be hand-written. ( There are a considerable number of omissions. ( The documentation is very weak. ( 0 No documentation is present or it is of an inappropriate standard.

  1. Statistics - How good are people's memory considering different factors?

    We can use this for scrutinizing the results for the remaining two hypotheses. There will also be instructions regarding the test and a warning to ward off cheaters and dishonest answer givers. No name will be required, mainly because it is of no use to the results, and secondly, people

  2. Creating a computer system for Wooten Basset Rugby Club

    From the interview this is an outline of what the new system will have to achieve: * Produce template letters for a number of issues. These letters include Match details, which will tell players about a match its date, venue and other relevant information.

  1. Definition-nature of the problem solved - Car Mechanic business

    Another approach to improve the current system would be to include partial computerisation. This would be a system where a search device would contain records of the locations of customer information. By using the search tool it will direct the manager to exactly where the documents they require are stored.

  2. You need to discuss the advantages and disadvantages of someone in your

    It is a more sophisticated relational database package. I plan to write a user guide so that the staff can read how to use the database efficiently. I also plan to write a technical guide so that a computing technician can make changes to the structure of the database.

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