Presentation on theme: "WHAT Exam Practice WHY All MUST Most SHOULD Some COULD Be able to understand the requirements of the exam to achieve a grade D Be able to understand the."— Presentation transcript:
WHAT Exam Practice WHY All MUST Most SHOULD Some COULD Be able to understand the requirements of the exam to achieve a grade D Be able to understand the requirements of the exam to achieve a grade B or above Be able to understand the requirements of the exam to achieve a grade C
WHAT Exam Practice HOW All MUST Most SHOULD Some COULD Be able to answer the exam questions in AMBER Be able to answer the exam questions in GREEN Be able to answer the exam questions in RED Differentiation: Students work in differentiated groups, activities are allocated accordingly, task explanation, key words/info around room,, group/pair work, prior knowledge, resources.
WHAT Topic: The Digital Divide CONNECT Self Assess – How much do you know about answering exam questions? How CONFIDENT are you? 1 2 3 4 5
ACTIVATE TOP Pick 3 key points FOR and AGAINST SMART PHONES WHAT Exam Practice
WHAT DEMONSTRATE Exam Practice 1.When Gordon purchases goods over the Internet his credit card data is encrypted. What does this mean? [2 marks] Answer: Encryption is the process of coding sensitive files before they are sent over a network. Encryption 'scrambles' data before it is sent. Even if it is intercepted, it will make no sense unless it is decoded (decrypted)
WHAT DEMONSTRATE Exam Practice 2. What is a 'computer system'? [4 marks] Answer: Integrated system of hardware and software. Data is input, processed and output as information. Information can be used as feedback to input more data.
WHAT DEMONSTRATE Exam Practice 3. On Paul's school network, some files are read-only and some are read-write. Explain the difference between these files. [2 marks] Answer: Read-only files can only be loaded and viewed - the original file cannot be overwritten. Read-write files allow the original file to be loaded, saved and updated as the user wishes. For example, the school may provide a template file for all students to use in a lesson - this would be read-only. They could save their own copy, which would then be read-write.
WHAT DEMONSTRATE Exam Practice 4. A company that designs and installs kitchens might make use of a graphics package. Explain four features (apart from printing or saving) you would expect the package to have? [4 marks] Answer: Ability to import digital images. Drawing tools allowing lines and curves to be drawn. Ability to fill areas with user-selected colours. Ability to manipulate images by rotating and resizing.
WHAT DEMONSTRATE Exam Practice 5. What advantages does the World Wide Web and e- mail offer?[6 marks] Answer: E-mail provides a fast and convenient way of sending messages anywhere in the world. E-mail is often convenient to respond to than a phone call - the end user has more control over when they answer the e-mail and it can, for example, be stored and printed if required. Attachments can be sent via e-mail, enabling documents to be sent quickly and easily - without the need for printing. The World Wide Web is an immense source of information that, correctly used, can enable anyone to research any topic. The World Wide Web is an instant media source - for news, information, sports - any topic imaginable. There are also widespread implications for the use of the internet such as for ecommerce, online banking, video messaging and even playing games!
WHAT DEMONSTRATE Exam Practice 6. a. Give two advantages of purchasing an integrated package 6. b. Give two examples of purchasing separate software packages. [4 marks] Answer: a. An integrated package will have a common look and feel and should allow easy transfer between the applications. b. Separate software packages will often have additional features making them more advanced and usable for specific tasks.
WHAT DEMONSTRATE Exam Practice 7. Trevor has heard that data validation is important because of the dangerous consequences of incorrect data. However, Trevor is confused - how can incorrect data have bad consequences? [6 marks] Answer: It can have a financial cost e.g. incorrect billing or mistaken identity leading to legal action. It can be extremely annoying e.g. incorrect booking dates for appointments or holidays, incorrect delivery of goods or services. It can be life threatening e.g. mistakes with medical records, medicines or mistaken military targeting.
WHAT Topic: The Digital Divide CONSOLIDATE Self Assess – How much do you know about answering exam questions? How CONFIDENT are you now? 1 2 3 4 5
WHAT DEMONSTRATE Exam Practice 8. Trevor books a ticket online to see Manchester United play. Despite his terrible taste in football teams, explain what type of processing will be used. [4 marks] Answer: Would be processed using real-time processing This system will operate in real time so each purchase will automatically update the database of available tickets - so tickets are only sold once.
WHAT DEMONSTRATE Exam Practice 9. Explain and describe what is meant by quantitative data. [4 marks] Answer: Quantitative data is data that can be measured by a number - a quantity. Examples of quantitive data include: Temperature Speed Height Weight School attendance Number of sales Goals scored
WHAT DEMONSTRATE Exam Practice 10. Ian is concerned about fire safety having heard he should install a firewall. Why is Ian confused? [4 marks] Answer: Ian has completely misunderstood the concept of a firewall. A firewall is a piece of software or hardware (they can be both) that prevents access to a network or computer from hackers. Firewalls can also be used by companies or schools to prevent access to inappropriate websites.
WHAT DEMONSTRATE Exam Practice 11. Explain and describe what is meant by qualitative data. [4 marks ] Answer: Qualitative data is difficult or impossible to measure using numbers - it is based on opinions. Examples of qualitative data include: Level of customer satisfaction The morale of a team Happiness of school students How pleased someone is with their latest shopping bargain How much you love somebody!
WHAT DEMONSTRATE Exam Practice 12. When considering 'data validation', what do the terms 'presence check' and 'range check' mean? [4 marks] Answer: A presence check is a check to make sure that data is present in a field - for example a check used to see if a customer has entered their address correctly when purchasing a book from an online shop. A range check is a check to ensure that data lies within a certain range - for example if an online game is only for those aged 11 to 16, a range check would be used to see if players' ages were between 11 and 16.
WHAT DEMONSTRATE Exam Practice 13. Dorothy rushed to her local doctors when her computer told her that she had a virus. Explain why she was rather foolish. [4 marks] Answer: Dorothy rather stupidly has got confused between an illness that she might have and a computer problem. A computer virus is a computer program that automatically copies itself so it 'infects' or disks or programs without the user's knowledge. Dorothy should be running an up to date virus scanning program to keep her computer safe and let the virus scanner deal with the virus.
WOW, HOW, NOW yourself: How many questions did you answer and at what level? What questions have you not done or found hard? What will you do now to prepare you for these questions in the exam? WHAT CONSOLIDATE Exam Practice
WHAT DEMONSTRATE Exam Practice Extension Activity – Self Assess Now practice further by clicking on the link and setting your level to answer more exam questions which are interactive questions and marked straight away: http://www.reviseict.co.uk/revision/exampractice.shtml Select level and start test!
Your own knowledge WHAT CONSOLIDATE What you know/understand? What do you need to read up on/revise more of? Exam Practice
WHAT DEMONSTRATE Exam Practice Open PowerPoint: G:\ICT\year 9\Year 9 ICT GCSE\AQU\ ExamPractice Use the exam questions and the resources around you to: Research the answers Answer them WOW your work NOW – plan for revision – what will you do to support your learning? All MUST Research and Complete at least half of the exam questions
WHAT CONSOLIDATE What you know/understand? What do you need to read up on/revise more of? Exam Practice