AQA Information And Communication Technology For AQA AS 3rd Edition Julian Mott - Solutions

1. Identify three ICT systems that you use on a regular basis (see Chapter 12 for what is meant by an ICT system). For each, list features that are appropriate for you as a regular user and things that irritate you.
Explain what makes James unsure of the usefulness of the information and discuss the implications to the holiday company of making decisions based on it.
8. The owners of a holiday company are considering organising some special deals for 2009. They use data obtained from the customers who took one of their holidays during 2005 to decide what to offer. One of the owners, James, says that the information produced is not suitable for making the
7. A supermarket stock-control computer system updates its stock levels every evening based on that day’s sales.Describe the possible consequences of the supermarket using out-of-date data. (4)
6. A report has been produced by an ICT system for the sales manager of a company. He then complains that he does not know when the report was produced or how up to date the contents of the report are.a) Explain why up-to-date information is important to the sales manager and what could be done to
5. The expression “garbage in, garbage out” (GIGO) is often used in connection with information-processing systems.Explain what is meant by this expression. (4)
4. Data input to an ICT system can take many forms such as pictures, sounds, numbers and letters. In all cases, the data has to be encoded. Explain why data needs to be encoded. (2)
2. Explain why a digitiser and tablet is used for input rather than a mouse.the EPOS system and describe two items of information that are produced. (5)
1. Explain why a bitmapped graphics package is not appropriate for use by the Trinity House Lighthouse Service. Give at least three reasons.
5. Why is Unicode sometimes used rather than ASCII?
4. How many different codes can be stored in Unicode?
03. How many bits are allocated for a character in Unicode?
2. Do you speak a language other than English? Does it use different symbols?Can you find the binary code for appropriate symbols in Unicode? Try http://www.unicode.org.
1. Use a search engine, such as Google, to search for “ASCII codes in binary”to find a table of the codes for characters. Using this, write your name in ASCII code. (Remember that the space character also has a code.)
5. A customer goes to a fast food restaurant and orders a meal for his family. He pays using his “chip and pin” credit card. The restaurant has an ICT payment system.a) Identify the two people who play a role in this ICT system. (2)b) For each of the people identified in a), describe a
4. ICT systems use both hardware and software. Explain, using examples, what is meant by hardware and software. (6)
3. An ICT stock control system for a shoe shop keeps a record of every item held in stock together with the item’s current stock level. The stock level of a product is modified whenever new stock is delivered or a pair of the shoes is sold.a) Identify two items of data that are input into the
2. Explain what is meant by an ICT system. (2)
1. Name and describe three components of an ICT system giving an example of each. (9)
2. Identify other procedures carried out by the booking clerk.
1. What is meant by “franking a letter”?
8. What data is stored in the payment system?
7. Identify all the processes in the payment system.
6. Identify all the outputs from the payment system and for each state whether it goes to a human (who?) or to another ICT system.
5. Identify all the inputs to the payment system.
4. What data is stored in the EPOS system?
3. Identify all the processes in the EPOS system.
2. Identify all the outputs from the EPOS system and for each state whether it goes to a human (who?) or to another ICT system.
1. Identify all the inputs to the EPOS system.
10. What is the purpose of your test plan?
9. If you have set up a spreadsheet solution, explain how you have used boundary data to test your solution. (4)
8. If you have set up a website solution, explain how you have tested the download times of your website. (4)
7. Explain how you have tested whether this requirement has been met or not. (2)
6. State one output involved with this client requirement. (1)
5. State one process involved with this client requirement. (1)
4. State one input involved with this client requirement. (1)
3. Copy one of your client’s requirements. (1)
2. Who will be the users of your solution?
1. Who is your client?
7. The original images can be as big as hundreds of kilobytes (see Figure 10.8) so thumbnails are used.
6. The Perfect banner is 14 kB (see Figure 10.7) and so is less than 20 kB in size and can load quickly.
5. All thumbnail images are less than 20 kB in size (see Figure 10.6)and so load quickly.
4. I have tested all the pages using a broadband connection. They all took less than 1 second to load so they all meet the criterion that they load in less than 2 seconds.
3. I have tested all the pages using a dial-up connection. They took between 1 and 4 seconds to load so they all meet the criterion that they load in less than 5 seconds.
2. All parts of the solution have been successfully tested. All pages work now that they have been uploaded to the Internet.
1. As you can see, all the client requirements have been met.
■ Are all images no greater than 20 kB, unless they are loaded from a thumbnail of the image?
■ Do all pages load in less than 2 seconds over a broadband connection?
■ Do all pages load in less than 5 seconds over a dial-up connection?
■ Is it fully working?
■ Does it do everything the client wanted?
■ If you crop any screenshots, do not cut off any part of the image that may be useful evidence. For example if there is an important formula in a spreadsheet, do not cut off the formula bar
■ If you print out in black and white, all details must be clear.
■ Do make sure that screenshots are not so small that it is impossible to read them.
■ The expected outcome should specify exactly what the total cost will be for each data set.
■ Test the total output several times with different sets of test data.
■ Do not have dozens of button tests. Include just one test that tests all buttons.
■ When considering load times, do not say it must load quickly. You must be able to measure the success of the test. Say it will load in three seconds or less.
■ When you come to test the online version use a different computer – one where the files are not stored on the hard drive. You may be loading images and pages from your computer’s hard drive and not from the Internet.
■ Do not have dozens of hyperlink tests. Include just one test that tests all hyperlinks.
8. Every month, the organiser of a dog training group, Mrs Jones, sends an email to all the members in her area. The email has been sent to Mrs Jones from the National Dog Training Centre. She likes to add a scanned picture of“dog of the month” to the email before she sends it on.State three
7. A company has 12 hotels in locations in the north of England. It has decided to upgrade its ICT systems. At present, it only uses its computers for word processing.Name and describe four new items of software that the hotel could buy. Explain why each item would be required. (12)
6. Software packages contain many advanced features that are often used by certain people. Explain, with the use of examples:a) two advanced features of a word-processing package that would be useful to an author writing an ICT textbook (6)b) two advanced features of a spreadsheet package that
5. Personal computer systems are usually supplied with some system software already installed. Explain, using examples, the purpose of system software. (4)June 2003 ICT2
4. A map has been scanned and its image saved in a file.State three ways in which the image of the map could be manipulated before it is printed. (3)(The use of brand names will not gain credit.)January 2003 ICT2
3. Word-processing software offers editing and formatting facilities.a) Explain the differences between formatting and editing. (2)b) Describe three editing facilities that are offered by word-processing software. (6)c) Describe three formatting facilities that are offered by word-processing
2. State three formatting facilities that are offered by wordprocessing software. (One word answers are acceptable for this question.) (3)June 2005 ICT2
1. Spreadsheet packages can be used to solve many different problems. Describe a problem that you have solved using a spreadsheet and explain how the functionality of the spreadsheet helped you to solve that problem. (6)AQA Specimen Paper 1
2. If you are creating a spreadsheet, you could use Microsoft Excel or OpenOffice Calc. Use the Internet to investigate advantages and disadvantages of each package?
1. If you are creating web pages, three possible software packages to use are Microsoft FrontPage, Expression Web and Adobe DreamWeaver. Use the Internet to investigate the advantages and disadvantages of each package.Hint: A good starting point is to go to a search engine and search
7. An MP3 player usually has two output devices. What are they?
6. State three output devices you might find in an automatic teller machine (ATM). (3)
5. Restaurant owners use a wireless, hand-held computer to receive payment from customers. This computer is taken to the table, the customer inserts a credit card and enters their PIN. If the PIN is correct, a message of confirmation is displayed on a small LCD screen and a built-in thermal printer
4. Jake notices that someone locally is selling a brand new dot-matrix printer. The price of this printer seems very cheap. Jake’s local chain store sells only inkjet printers and cartridges which are more expensive than the dot-matrix printer. Advise Jake on what he should purchase explaining
3. A company has offices on five sites. Each office has between 10 and 20 members of staff working in it.Internal email is used as a means of communicating between the staff. It has been suggested that speech recognition input and voice output might be used for the email system.a) State the extra
2. Many cars today use satellite navigation devices.a) Suggest two possible output devices for a satellite navigation system. (2)b) Explain why your answers to part (a) are more suitable than a standard computer monitor and a laser printer. (4)
1. A hotel is purchasing new computer hardware and software.a) State two types of printer that the company could purchase. (2)b) For each type of printer, describe an appropriate use within the hotel. (4)c) Name two input devices that would be used. (2)d) The hotel manager is considering purchasing
8. Computer users often store datafiles in folders and subfolders. Jack is the secretary of the local Model Aeroplane Club and often has to write letters and reports on behalf of the club.Jack’s wife, Helen, is the treasurer of the local brownie pack. She uses the same computer to produce
7. Sally is an author who has recently purchased an external hard disk drive that plugs into her laptop computer using the USB port. She is now producing some chapters for a new book.a) Explain one reason for saving her files to her internal hard disk rather than the external hard drive. (2)b)
6. A student told a teacher, “I’m sorry but I can’t hand in my project work as it was all on computer. My computer at home has crashed and my files are lost.”Suggest a response from the teacher. (3)
5. You have to design, create and test solutions to solve clients’ problems. To complete this project you should use a number of storage media.a) Suggest three different storage media which would be useful in creating the solution. (3)b) For each of your answers to part (a), describe a purpose
4. Modern personal computer systems usually include a CD rewriter. State two legal uses for a CD rewriter. (2)June 2002 ICT2
3. Floppy disks were once the usual medium for distributing software adopted by software houses and developers.a) State three reasons why the use of floppy disks has decreased. (3)b) Describe one occasion where it would still be sensible to use a floppy disk for software distribution. (2)c) State
2. It is necessary to back up files that are stored on a computer system. For each of the following files, state a medium that may be used for backing up. Explain why it is the most appropriate medium.a) A multimedia presentation (2)b) A word-processed letter (2)c) A student’s ICT coursework that
1. Choose a suitable storage medium from the list below for:a) Storing your work. (1)Give a reason. (1)b) Storing a podcast. (1)Give a reason. (1)c) Keeping a blog. (1)Give a reason. (1)DVD-ROM, Flash Memory, CD-ROM, CD-RW, Portable Media Player, 500 GB External Hard Drive AQA Specimen Paper 1
■ Keys that are used to make selections from a menu.Describe an example of what each input device is used for.
■ A specialised keypad that allows numbers to be entered
■ A magnetic-stripe reader
9. Automatic Teller Machines (ATMs) are the cash machines that we use outside banks and supermarkets to withdraw cash or to check our bank balance. As these devices are outside, they need to be weather-proof and secure. They use the following input devices:
8. The local council wishes to store the contents of documents on a computer system. The documents consist of handwritten and typed text. The documents will be scanned and OCR software will be used to interpret the text and export it to files that can be read by word-processing software.a) Describe
7. A pizza delivery man uses a satellite navigation device.State one input device suitable for a satellite navigation system. (1)Explain why your chosen input device is more suitable thana) a QWERTY keyboard (2)b) a mouse. (2)
6. A friend has told you that she has bought a scanner with OCR software and software that can convert photos to JPEG. However, she does not know what these terms mean.a) What does the term OCR mean? (1)b) What does the term JPEG mean? (1)
5. Pictures are scanned onto a computer and stored in files.Describe two types of files that can be used to store pictures on a computer. (4)
4. A village store has just installed an electronic point of sale(EPOS) system including a bar-code reader.a) Describe two advantages that the store gains from using the EPOS system. (4)b) Describe one disadvantage to the store of the EPOS system. (2)January 2005 ICT2
3. Describe two advantages of using a scanner and OCR software rather than a keyboard to enter text. (4)
2. Give two different methods of entering data into a computer system. (2)June 2006 ICT2
1. Name a method of data capture, other than the use of a keyboard, that would be suitable for capturing the following data:a) marks from multiple choice examination answer sheets (1)b) details from bank cheques (1)c) details of library book loans and returns. (1)June 2007 ICT2
On the Internet, perform a search on OCR scanner accuracy rate. Can you find out how accurate OCR scanners are?
■ The West Gower Youth Centre wants to set up a website so that youngsters can find out what is happening at the centre in the next month.
■ The Bridge Hotel near Snowdon in North Wales would like a small website to advertise their 12 single and 23 double rooms.

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AQA Information And Communication Technology For AQA AS 3rd Edition Julian Mott - Solutions

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