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  • Level: GCSE
  • Subject: ICT
  • Word count: 1219

ICT Ao1 Hardware

Extracts from this document...

Introduction

Hardware Review Table For My System (AO1b) You must fill-in a hardware review table for each piece of hardware in your sub-system. This is to include ALL input, processing and output devices for each sub-system. Sub-system name. Million Air Database Printer Laser Explain what this device is used for. Printing out work onto paper Is this an Input, process or Output device? Output Details of Hardware Item I Will Use: Description of the actual hardware device I will use. A box shaped appliance that prints instructed materials. Uses a toner. Here is a picture of this device Advantages of using this device. Faster and better quality than other printers. Disadvantages of using this device. Expensive to replace. Other hardware that I could have used instead of this one are described on the next page. Another Hardware Device I Could Have Used Instead Device Name: Printer An alternative hardware device I could have used is... Inkjet Here is a picture of this device Description of this device Box shaped and prints out by heating ink. If I had used this device, the advantages would have been... Cheap to buy. Cartridges cost less. If I had used this device, the disadvantages would have been... Noisier than a laser printer. ...read more.

Middle

Brain of the computer system where calculations and decisions are made; also referred to as the CPU Is this an Input, process or Output device? Process Details of Hardware Item I Will Use: Description of the actual hardware device I will use. They are circuits, around the size of a fingernail, which contain many millions of electronic components manufactured as one very complex circuit. Here is a picture of this device Advantages of using this device. * Up to date. Disadvantages of using this device. * Can be very slow at times. Other hardware that I could have used instead of this one are described on the next page. Another Hardware Device I Could Have Used Instead Device Name: Processor An alternative hardware device I could have used is... Intel Pentium Here is a picture of this device Description of this device A small chip which controls the computer. If I had used this device, the advantages would have been... * Fast * Very Popular If I had used this device, the disadvantages would have been... * Many versions can get mixed up with the good and bad one. ...read more.

Conclusion

To display what you are doing on the computer. Is this an Input, process or Output device? Output. Details of Hardware Item I Will Use: Description of the actual hardware device I will use. A flat screened monitor. Uses very small amounts of electric power. Here is a picture of this device Advantages of using this device. * Small and light. * Very energy efficient. Disadvantages of using this device. * Expensive. * Very fragile. Other hardware that I could have used instead of this one are described on the next page. Another Hardware Device I Could Have Used Instead Device Name: Monitor An alternative hardware device I could have used is... Cathode Ray Tube (CRT) Here is a picture of this device Description of this device CRT monitors are quite big and bulky. If I had used this device, the advantages would have been... * Cheaper than LCD. * Respond quicker than some LCDs. If I had used this device, the disadvantages would have been... * Heavy and large. * Generates excess heat. * Uses large amounts of energy. Contrast and compare chosen device to alternative Device Name: Monitor Both are an output device and both show the same things. LCD uses less space than CRT. LCDs can be mounted into a wall whereas CRTs cannot. ?? ?? ?? ?? E:\Maria\Yr 9\Ict\Coursework 1\AO1\AO1a_B Hardware\AO1b1_To_5_Hardware Review Table.Doc ...read more.

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