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- Marked by Teachers essays 1
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Johns parents decided to buy a computer which can help John with his work at college and home. As an IT Manager I can help Johns parents to choose the right computer and what is needed to support his courses and hobbies.3 star(s)
He also needs to have Microsoft publisher- or word 2007 to produce his leaflets for the local conservative party. The computer is useful for his ICT skills as he can learn many new things which are important for his ICT course. He should use all the suites which he uses in college. To help John with his art course he should look at different software which he can use to develop his art skills, the internet is also useful for the course because he can download the software he needs and test it for some time. At his free time at home he should be allowed to do his favourite things he wants to do.
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Even the colour and contrast isn't as good, which has dull pictures. For JJ party Planners, the best monitor would be a TFT because it takes up less space and makes less noise. The sales assistants won't damage the screens or need high quality pictures so a TFT monitor would be fine as it doesn't cost too much now. The system is more than fast enough, since the formulae in my spreadsheet are quite simple and don't need a lot of computer power. The data used will only take up about 1 GB so the disk space of 320 GB on the Dell is more than enough for the staff at JJ Party planner so save details and other information on the system.
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Viruses A virus is a program that corrupts data; it can spread from file to file or computer to computer. E-mails: As well as text, it is also possible to send other files via e-mail - these are called attachments. For example, you could e-mail a picture or a music file to a friend. Unless you are expecting to receive an attachment, treat any you receive with suspicion as it is easy to get a virus from an infected attachment.
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This obviously means that the way we view films, music etc is getting smaller and also means that it will continue to decrease in size. Even though a video is larger than a disc it does not mean that it holds more memory, in fact a disc holds seven times more memory than a video, which is the main reason the DVD has taken on. The word 'Digital' has great benefit over the VHS because videos are predominantly analogue and all DVDs are digital.
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The solo has a 40Gb hard drive compared to the ProSentia, which has a 20Gb hard drive, the size of the hard drive is important because this stores all of the programs and work files.
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Designing a system for an IT user - He needs to have a good internet connection because he uses games and plays runescape. He is a member of the local conservative party and needs to print flyers, so he will need Microsoft office and will also need a prin
John needs to use email, design flyers and generally use a keyboard to type in text. He can also use a keyboard to play computer games like runescape. It is hard to use a computer without a keyboard. A keyboard is also very easy to use and doesn't take a lot of practice to get it right. But too much use of a keyboard can cause RSI (Repetitive strain Injury). Mouse A mouse is used to control what happens on the screen. There is generally 2 buttons left click selects an item and right click brings up a relevant menu.
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See page 4. �120 Speakers Comes with bundle of desktop Pc. See page 1 for more details. �579 with Desktop PC and rest of bundle. Sony STEREO SPEAKER 2.0. See page 5 for more details. �20.11 Mouse & Keyboard Comes with bundle of desktop Pc. See page 1 for more details. Computer with mouse, keyboard and Bundle: �579.63 Microsoft Wireless Comfort Desktop 5000 USB Blue Track. See page 5. �47.43 Language Pack Comes with Windows 7 Free Comes with Windows 7.
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Mail merge automatically moves the data from where we input it into our wage slip which will be printed, which is our output. Each part of my system needs hardware. The input which is the data requires a keyboard. Storage requires a hard drive, obviously. The process requires a CPU and RAM to function and the output (wage slip) requires a printer & monitor. My system can be described as a number of subsystems. The wage slip is a system in itself, having the spreadsheet as input data and storage, the actual mail merge being the process then the wage slip being your output.
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The hardware that forms part of the network can spread around the world. Within a WAN, many terminals are connected to the host computers. This allows networks to cover a large geographical area. The Internet is a WAN. It is most famous and widely used Wide Area Network which contains many thousands of servers and many millions of clients right across the world. Example: a network of banks cash dispensers is a WAN. LANs are often connected to WANs, for example a school network could be connected to the Internet. Telephone lines are often used to connect WANs.
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Pretty soon, many calculators/computers were being made. Computers changed the world a lot. It helped man step forward into the future. Thanks to computers, space exploration came true, new designs of vehicles and other transportation were made, entertainment became more entertaining, and medical science made more cures for diseases. The computers impacted our lives in many ways. You may not notice it but they did make life a lot easier. Without computers, the world would be a harder place to live in. Thanks to the computers, everyday life is easier for us. Some people may disagree but most would not.
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It doesn't produce lots of noise like other printers. A laser printer is not good for someone who prints lots of photographs as they are not capable of printing high resolution images. It is light and compact so it is easy to lift up and move around and it doesn't take up lots of space. If your printer breaks or gets damaged and needs repairing then it will be quite expensive to repair. It has good print quality and produces print relatively faster than other printers.
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http//www.howstuffworks.com By Using the mouse you can control what happens on the screen by moving and clicking the mouse and selecting items on the screen. It is very cheap compared to optical mouse so people can afford them. Dust and dirt can get inside the mouse to make it slow or get damaged Because it is not wireless it can't get lost compared to a wireless mouse. To use the mouse you have to use it on a mouse mat or a special surface It is usually supplied with a computer when you buy the computer.
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Instead of using the mouse to move the cursor you can use the arrow key situated on the keyboard to move the cursor on the monitor. 2. The frequent movement from keyboard to move and back could cause carpal tunnel syndrome. 3. Keyboard are less expensive because it comes with every computer. Optical Mouse �9.00 The optical mouse is able to work on just about any surface and without the need for a mouse pad; most optical mice use a small, red light-emitting diode (LED)
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1. He can choose a TFT. This is a flat screen monitor. It is the newer version of the two. The pros of choosing TFT are: * It uses less space, * They are modern, and therefore look more professional, * They may also have better resolution, * Faster FPS (i.e. frames per second), * Don't give off a glare, * Give off less heat, * Very compact and tight, * Uses less power, * No geometric distortion, * Rugged, * Very little or no flickering, depending on backlight, * Larger in screen size.
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A mouse is an object that the user holds under one of the user's hands. Most mice have two buttons the left and the right. Sometimes the mouse may have a wheel between the left and right buttons. The wheel is used to scroll up and down. The mouse is used to control the motion of the cursor, which is displayed on the monitor. It can be used to open and close windows by clicking on icons and carry out tasks such as printing. All computers in the library have a normal mouse connected to them however there are two mice connected to the computers with a large keyboard, the special mouse (above right)
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Mouse �7 A mouse is a device which you can touch and move around. The way you use it by moving the mouse and an icon on the screen will appear which enables you to go on different things e.g. application. The advantage of a mouse is that it comes in several types the laser sensor mouse. The disadvantage of a mouse is that it is not portable so you have to stay close to the computer therefore it might cause problems. Another advantage of a mouse that is very easy to control so nearly anyone can use it.
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Choosing Hardware. he computer system that is already installed will not meet the Theme Parks requirements because it is inadequate. The RAM (system memory) is about 4000 megabytes too small and would only last for a very short period of time
out visitors' photos quicker than the old system and prevents annoyed customers having to wait for their souvenir photos, thus increasing business. I would suggest upgrading to "HP Touchsmart 600". With a touchscreen, there is no need to have a mouse. It is 10 times quicker, for the particular requirements the Theme Park will need - which is an improvement over the old VDU. It has an Intel Core 2 Duo Processor which is an improvement on the old system.
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These use tiny crystals which block the light from passing through them. Colors are obtained by using a combination of special filters. TFT (Thin film Transistor). This is more advanced type of display, giving full color and a high- quality output. It provides a higher resolution and more contrast than an LCD screen. Printers After the monitor, the second most common computer output device is the printer. Printers can be connected to an individual computer or to a network and shared by a number of computers. Printing out work from the computer is referred to as obtaining a hard copy.
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I will describe the hardware I have used in my system, the way they work and the advantages and disadvantages.
Mouse �13 There are two main types of a mouse. * Optical Mouse. * Balled Mouse. The way you move the mouse, in the same direction the arrow will move. A mouse can be used to play computer games. The ball in a balled mouse can get lost. A Mouse with a keyboard to enter data into data computer. Using the mouse to much can lead to RSI. A mouse is very easy to control. A mouse will only work well on flat surfaces. Scanner �60 A beam of light is shone on the object which is going to be scanned.
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A report done by The Economist shows this could be why BA's sales have been dropping gradually over the past decade. This logo represents the British based airline; Monarch. This logo uses two complementary colours, which are purple and yellow. The crown image is very clever because it matches the name of airline. The colours are used to great effect on the crown, the middle part of the crown is filled in with a golden yellow, and the two sides match the purple font.
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Minicomputers are used by smaller businesses to handle their data processing or to run something similar to a city traffic control system. Desktop computers would naturally be supplied with the computer itself (complete with hard disk drive and floppy disk drive) and peripherals such as a screen, a mouse, a keyboard and a CD or DVD drive. These are comparatively cheap and easy to add development cards to.
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Cartridges cost less. If I had used this device, the disadvantages would have been... Noisier than a laser printer. Colour printing can be extremely slow. Contrast and compare chosen device to alternative Device Name: Printer Both the printers are an output device. Both print what we want. Inkjet printers will not be used at companies like laser printers. Inkjet are cheaper than laser. Lasers are better quality. Sub-system name. Million Air Database keyboard Qwerty Explain what this device is used for. Typing Is this an Input, process or Output device? Input Details of Hardware Item I Will Use: Description of the actual hardware device I will use.
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It would be safer to take a break after a few hours, or so. The cost of a computer is much more expensive than paper and pen, but the quality of your work is much more neat, tidy and professional. I used a mouse instead of a Tracker Ball is because it was cheaper, more simple, and easier to control. I didn't use a Graphics Tablet and Pen because it's informal, and isn't needed in my Travel Agent Booking System.
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This makes it more time efficient than a button mouse which has no scroll wheel. A mouse is one of the most important input devices. Cordless mice were not available, but if I had the chance to use them, I would have used them instead. The only difference is that they have no cord. But this is more useful that the mice with cords because they can be used further away from the computer, which means further away from the screen, causing less eye strain.
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Hardware There are specific requirements for my data handling system software to be ran by my hardware efficiently. I have looked through various types of adverts like over the internet, newspapers and magazines to find a system that fits my requirements. * I require the speed of the processor to be 800 Mhz i thought that this was standard, the reason I did not increase this was because it is reasonable for my database. * I require the RAM (random accessing memory)
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