H ardware

1. Hardware Wasimakram

2. Graphics card • Is designed to generate and output images to a display • Needs to be able to produce a display at resolution and colour depth that meets the users need and also the capabilities of the monitor • Screen resolutions or pixels: 1440*900, 1024*768, 800*600, 640*480. • Usually has internal RAM for gaming • You need a good graphics card for the quality of image on your screen HIS Ati Radeon HD 4670 IceQ 1024MB DDR3 HDMI Agp Graphics Card: £60

3. Display • Displays are used to show images on the screen the better the resolution the clearer the picture would be. • Screen size 20" DPI 0.2768x0.2768Resolution 1600x900 @60HzBrightness 250 cdmContrast 50000000:1 dynamicHorizontal/vertical viewing angle 170 degrees horizontal and 160 degrees verticalResponse time 5msVideo inputs/Type VGABuilt-in loudspeakers No Max. power consumption 20 Watt Maximum; 0.5 Watt Maximum on standby • £89.97

4. Graphics tablet • These are used to draw designes on to the computer. • Edit or create digital documents with the WacomBamboo Pen Graphics Tablet. Unleash your inner artist or simply edit existing work with the ergonomically designed precision pen whether on Mac or pc. Whatever you choose to do, the WacomBamboo Pen Graphics Tablet  will make creation easier.   • Technical Specifications Active Area 5.8" x 3.6" (147mm x 91mm) Sensitivity 512 on Pen Tip Included Accessories Bamboo Pen tablet, Bamboo Pen, Quick Start guide

5. Digital camera • Digital cameras take still or moving images you can get different megapixel camera’s for example 8megapixel the more the better. • The one in the picture is an SLR which is more of the hi tec ones were you can adjust more things to take the image. • Ultra fast performance, Intuitive operation, class-topping specification £1,149.00

6. scanner • Scanners scan images such as text pictures on to your pc which converts it to a digital image it does this by paling your document on the glass of the scanner. • Type A4 Colour Flatbed Scanner Document Size A4 / Letter [216 x 297 mm] Resolution 4800 x 4800 dpi (optical)25 - 19200 dpi (selectable) • Depth 48 bit input - 48 or 24 bit output (colour)16 bit input - 8 bit output (greyscale) • £89.99

7. PDA’S • The purpose of a palmtop is its light and portable. You can access your emails of device and also browse the internet. It is useful to store files music videos and they also can be used as sending texts, making and receiving phone calls. You input information by a keypad which you twist out or some models have them built in the phone so you can just tap the screen £271.57

8. Printer’s • Printers print out digital documents of your pc on to paper you can get different types of printers such as ink and laser the laser ones are more detailed were as the ink ones are not. • The Samsung ML-1865W/XEU Wireless Monochrome Laser Printer offers rapid print speed and maximum convenience. • Type Printer Principal Technology Laser Printer Printing Mode Mono Printing Resolution 1200 X 1200 • £109.99

9. Bitmap vs. Vector • A bitmap image (also known as raster) is a computer file used to store a picture. It consists of tiny blocks in a grid called pixels all the tiny dots come to form an image but when stretched gets blurry. Its optional if you want to compress the file. • Vector images are made up of different shapes which consist of lines and curves, because they're scalable, vector-based images are independent. You can increase and decrease the size of vector images to any size and your lines will remain sharp.

10. JPG • Jpg-(Joint Photographic Experts Group) It is mostly used for bitmap images photos, pictures. This file is compressed so if you try to enlarge the picture it will just keep getting blurry. • This image has been stretched And because it is made up of little dots it blurs when enlarged.

11. File types