CSEC Information Technology · May/June 2019 · Paper 2
61 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)2 marksExplain how the photographs and their images can be organized for easy retrieval.
- 1(b)2 marksIdentify ONE suitable device that could be used to organize the photographs, and state how the images of the photographs are created and transferred to the computer.
- 1(c)4 marksUsing the provided terms (Hard copy, Soft copy, Human readable, Machine readable), indicate how the photographs are stored and accessed in filing cabinets and stored on computers.
- 1(d)2 marksFor filing cabinets and storage on computers, state ONE measure for each that can be used to protect the photographs or their images in the event of a fire.
- 2(a)(i)2 marksIdentify the processing mode used for printing the road tax certificates and state ONE reason why this mode may have been used.
- 2(a)(ii)2 marksIdentify ONE validation check and state how the system will use it to determine if a certificate should be printed if full payment has not been made.
- 2(b)(i)5 marksSelect the appropriate term from the list (CPU, Monitor, Speaker, Operating system, Primary memory, Secondary storage device) to match EACH specification in the table.
- 2(b)(ii)1 markIdentify ONE other device that would be necessary to include with the computer system.
- 3(a)(i)5 marksComplete the table showing the character representations across Number System #1, Number System #2, and Number System #3.
- 3(a)(ii)3 marksIdentify the types of number systems that were used for Number System #1, Number System #2, and Number System #3 in the table in (a)(i).
- 3(b)(i)1 markState the name of the hardware component of a computer system that manipulates data.
- 3(b)(ii)1 markState the name of the hardware component of a computer system that temporarily stores data.
- 4(a)6 marksState whether EACH of the storage devices listed in the table is used for primary storage or secondary storage.
- 4(b)4 marksMatch EACH of the four depicted storage devices with the appropriate name from the list in (a).
- 5(a)2 marksDescribe ONE scenario where Local Area Network is more useful than Wide Area Network, and vice versa.
- 5(b)2 marksDescribe ONE scenario where Coaxial cable is more useful than Fibre-optic cable, and vice versa.
- 5(c)2 marksDescribe ONE scenario where Simplex communication is more useful than Duplex communication, and vice versa.
- 5(d)2 marksDescribe ONE scenario where Bluetooth is more useful than Wi-Fi, and vice versa.
- 5(e)2 marksDescribe ONE scenario where Satellite transmission is more useful than Microwave transmission, and vice versa.
- 6(a)(i)1 markState ONE example of an application that uses batch processing.
- 6(a)(ii)1 markState ONE example of an application that uses real-time processing.
- 6(a)(iii)1 markState ONE example of an operating system software for personal computers.
- 6(b)2 marksOutline the difference between an 'intranet' and an 'extranet'.
- 6(c)(i)1 markIdentify the hardware device that produces audio output from a computer.
- 6(c)(ii)1 markIdentify the hardware device that stores program instructions during the execution of the program.
- 6(d)(i)1 markState the technical term used to describe studying for a degree via the Internet.
- 6(d)(ii)1 markState the technical term used to describe purchasing school supplies from Amazon via the Internet.
- 6(d)(iii)1 markState the technical term used to describe sharing personal information on a website.
- 7(a)2 marksIdentify the field that could be used as a primary key, and state ONE reason why it may NOT be a suitable primary key.
- 7(b)(i)2 marksComplete the table to show two field names and their data types that could be used in an Instructor table.
- 7(b)(ii)1 markIdentify the field name from the Instructor table that would be MOST suitable as a primary key.
- 7(c)2 marksWrite the results of a query that lists the learner drivers assigned to Rick.
- 8(a)3 marksUsing the letter 'm' for month, 'd' for day, and 'y' for year, write the format for the date that has been applied to the cells.
- 8(b)2 marksWrite a formula to calculate the number of days that Asmara Royal has had her permit.
- 8(c)2 marksExplain why the data CANNOT be sorted by the learner's last name.
- 8(d)1 markState the name of the feature that allows for the viewing of some rows of data in the spreadsheet.
- 9(a)1 markComplete the statement: 'Annissa wrote code using Pascal, a ... -level language.'
- 9(b)1 markComplete the statement: 'She typed the ... code and then saved it.'
- 9(c)1 markComplete the statement: 'While she was typing the code, Annissa made sure to ... certain lines so that the program was easy to read.'
- 9(d)1 markComplete the statement: 'There were no ... errors, so the program followed the grammar of the language.'
- 9(e)1 markComplete the statement: 'She then ... the program to see if it was grammatically correct.'
- 9(f)1 markComplete the statement: 'Annissa then entered some ... data to see if the program produced the correct output.'
- 9(g)1 markComplete the statement: 'If there were errors, she would have to ... the program to locate and correct these errors.'
- 9(h)2 marksComplete the statement: 'The program produced the correct results and this meant there were no ... errors or ... errors.'
- 9(i)1 markComplete the statement: 'Since all was well, Annissa then ... the program with comments.'
- 10(a)(i)1.5 marksSuggest the appropriate action that should be taken by Millie, a new student, who is NOT yet ready to pay.
- 10(a)(ii)1.5 marksSuggest the appropriate action that should be taken by Roy, a continuing student, who is ready to pay.
- 10(b)1 markState the MAIN difference between a new student and a continuing student based on the algorithm.
- 10(c)6 marksComplete (i) to (vi) in the table by stating the line number of the statement in the algorithm (or 'none') and drawing the corresponding flowchart symbol for each given step.
- 11(a)5 marksDraw a flowchart to illustrate the provided segment of the algorithm.
- 11(b)(i)4 marksUsing the course registration algorithm, complete the decision table to determine how students should register for courses based on student type and registration status.
- 11(b)(ii)1 markState the name of the table that shows the various options.
- 12(a)(i)1 markState the reference for the student who has to make three payments.
- 12(a)(ii)1 markState the number of payments for the student with reference 56.
- 12(a)(iii)1 markState the maximum number of students whose information can be stored in the array.
- 12(a)(iv)2 marksState the meaning of '...' as shown in the array.
- 12(a)(v)1 markState the data type for the number of payments.
- 12(b)4 marksUsing the numbers 1, 2, 3 and 4, write the order in which the given sequence of statements are used in a Pascal program.
- 12(c)(i)1 markState the purpose of 'count := 0;'.
- 12(c)(ii)1 markWhat does PAYMENT refer to in the fragment code?
- 12(c)(iii)3 marksState the purpose of the fragment code.