CAPE Computer Science Unit 1 · 2008 · Paper 2
40 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)4 marksExplain why extranets are generally more insecure than intranets.
- 1(b)(i)2 marksDescribe ONE example of software that can be stored in ROM.
- 1(b)(ii)2 marksDescribe ONE example of software that can be stored in RAM.
- 1(c)4 marksExplain TWO reasons why the external CD-ROM drive may not have worked.
- 1(d)(i)3 marksDescribe and give ONE example of systems software.
- 1(d)(ii)3 marksDescribe and give ONE example of application software.
- 1(e)(i)4 marksExplain what deadlocks are, and describe an example of where a deadlock can occur in an operating system.
- 1(e)(ii)4 marksExplain how an interrupt is handled in the operating system of a computer.
- 1(e)(iii)4 marksDescribe TWO functions that a typical disk management utility should be able to perform.
- 2(a)12 marksDiscuss what happens at the sending computer when the OSI model for networking is involved in the transmission of a text file to another computer. Use a diagram clearly showing the direction of flow of data using the…
- 2(b)6 marksDifferentiate between 'HTTP' and 'FTP'.
- 2(c)(i)3 marksExplain how the Client/server approach can be used to share files over the Internet.
- 2(c)(ii)3 marksExplain how the Peer-to-peer approach can be used to share files over the Internet.
- 2(d)6 marksExplain THREE reasons why a distributed network configuration may be preferred rather than a centralised configuration.
- 3(a)(i)4 marksDiscuss TWO economic implications of installing the vending machines.
- 3(a)(ii)4 marksDiscuss TWO social implications of installing the vending machines.
- 3(b)(i)3 marksDiscuss ONE reason why the manager may have made a mistake in her decision to use only computer applications to store customer records.
- 3(b)(ii)4 marksSuggest TWO advantages of using computer applications to store customer records.
- 3(c)6 marksBriefly discuss ONE reason to support the principal's ruling and ONE reason why the lecturers may have disagreed.
- 3(d)(i)6 marksDiscuss TWO ways to help prevent or control the unauthorized disclosure of data in an organization.
- 3(d)(ii)3 marksDescribe ONE strategy other than passwords that can be used to prevent unauthorized access to files on an organization's website.
- 4(a)3 marksExplain what is meant by 'real-time updating of files' in a computer application and outline ONE situation where this approach is necessary.
- 4(b)(i)3 marksExplain the meaning of EACH of the underlined terms: data loss, data corruption, unauthorized access.
- 4(b)(ii)6 marksFor EACH of the three problems (data loss, data corruption, unauthorized access), suggest ONE way in which the computer consultant may have determined its existence.
- 4(c)(i)6 marksDescribe TWO strategies that can be used to back-up critical data in this organization.
- 4(c)(ii)4 marksSuppose a hurricane destroys all computer systems and associated data. Describe the steps taken to restore the systems and data for ONE of the back-up strategies described in (c)(i).
- 4(d)4 marksSuggest TWO ways in which computer applications designed for the strategic level of an organization differ from computer applications designed for the operational level.
- 4(e)4 marksState TWO advantages of videoconferencing over email as a means of communicating information.
- 5(a)(i)4 marksDescribe TWO benefits of a digital library to readers who subscribe to the service.
- 5(a)(ii)4 marksDescribe TWO benefits of a digital library to organizations that publish scholarly articles.
- 5(b)(i)3 marksExplain how Accuracy affects the usefulness and value of information.
- 5(b)(ii)3 marksExplain how Depth of coverage affects the usefulness and value of information.
- 5(b)(iii)3 marksExplain how Bias affects the usefulness and value of information.
- 5(c)9 marksDiscuss THREE sources of information that Diana can use to get more reliable information on the health risks of cellular towers.
- 5(d)(i)2 marksBriefly discuss the validity of the statement: 'Information on the Internet is reliable since it must be refereed before it is placed on the Internet.'
- 5(d)(ii)2 marksBriefly discuss the validity of the statement: 'Information on the Internet is always current since it is available to users as soon as it is placed on the Internet.'
- 6(a)(i)10 marksDesign the layout of a spreadsheet to generate the required summary information, CLEARLY specifying the formulae that you will use in the spreadsheet.
- 6(a)(ii)4 marksDescribe TWO types of graphs that can be generated from the spreadsheet to make it easier for management to grasp trends in the sales information.
- 6(b)(i)1 markWhat is the BEST computer-based tool that can be used to store the specified hospital information?
- 6(b)(ii)15 marksDiscuss FIVE features of the chosen tool that make it appropriate for managing patient information in a hospital context.