F NATIONAL QUALIFICATIONS Marking Guidelines COMPUTING STUDIES STANDARD GRADE Foundation Level The security of this examination paper requires that it is withdrawn from candidates after the examination and also after any discussion of the candidates results. This will ensure that the paper continues to be secure for your centre and others during presentation year 2010/2011. Any appeals made based on this paper will assume that these security precautions are in place. 2010 2011 Perfect Papers All rights reserved. Page 1
Standard Grade Computing Studies - Foundation Level Marking Instructions KU - Knowledge and understanding PS - Problem solving Structure of paper on paper The layout of this paper is modelled on the format of previous Foundation level papers produced by SQA. There are six questions in total. The sixth question is selected by the centre from either Commercial Data Processing or Automated Systems according to which topic has been taught in preparation for the estimate examination. The questions draw on the following areas: Question 1: Question 2: Question 3: Question 4: Question 5: General Purpose Packages and Communications and Networks Communications and Networks and Computer Systems General Purpose Packages and Communications and Networks General Purpose Packages and Computer Systems Industrial Applications OR Question 5: Commercial Data Processing The paper is marked out of 36 for KU and 36 for PS. The following thresholds are suggested. Knowledge and Understanding Problem Solving Mark Grade Mark Grade 25 5 25 5 18 6 18 6 < 18 7 < 18 7 Page 2
1 This question deals with content from General Purpose Packages and Communications and Networks Barry uses a spreadsheet to help him keep a record of his gym workouts. Part of the spreadsheet is shown below. (see question paper) GPPs: SPREADHSEE T - values; text; simple formulae GPPs: SPREADHSEE T - insert column (a) (b) Using the following terms complete the sentences below using each word once. Cell A1 contains Cell B4 contains Cell D8 contains Barry records his workouts in order of date. He forgot to record the session that he did on 27/07/2010. Describe how he should fit this workout into his spreadsheet. Text Value Formula Insert a column Between B and C GPPs: SPREADHSEE T - alter column width GPPs: HUMAN COMPUTER INTERFACE (HCI) - WIMP environment Windows, Icons, Menu, Pointer; (c) (d) State what Barry should do to allow all of the text in cells A4, A5 and A6 to be seen. Barry s spreadsheet software has a WIMP environment. Fill in the blanks below to show what WIMP stands for. Increase the column width Windows Icons Menus Pointer Max 1 PS Max 4 KU WORD PROCESSING - search and replace (e) State what Barry should do to ensure that he does not accidentally lose his spreadsheet. Make a backup copy Max 1 PS [Turn over Page 3
1 cont. This question deals with content from General Purpose Packages and Communications and Networks (f) Barry s computer is part of a local area network (LAN). Comms & Nets: LOCAL AREA NETWORKS AND WIDE AREA NETWORKS sharing data and peripherals; local area network(lan); wide area network(wan) - (i) State one difference between a LAN and a wide area network (WAN). LAN in a single room/building WAN covers whole town/country/world LAN uses cables or wireless WAN uses telephone lines pair, but two marks only awarded for correct pair of answers (ii) From the list below, tick two facts that are true about LANs. (see question paper) LAN allows users to share a printer A LAN connects computers in the same room or building. 1 mark for each ticked correctly. Deduct a mark for each additional tick Page 4
2 This question deals with content from Computer Systems Georgina has just bought a new computer. A picture is shown below. Systems: HARDWARE - mouse; trackball, trackpad; graphics tablet; touch sensitive screen; keyboard; joystick (a) State two input devices shown in the picture above. Keyboard mouse (b) From the list below, put a circle around the three output devices. Monitor Plotter Laser printer 1 mark for each correctly circled, deduct a mark for each additional circle Max 3 PS Systems: OPERATING SYSTEM - operating system as a program (c) Georgina s computer comes with an operating system. State whether the operating system is hardware or software. Software Max 1 KU Systems: HARDWARE - main memory; ROM and RAM; backing storage (d) When Georgina uses her computer to do her homework, use the terms below to describe where it is stored. While Georgina is doing her work on the computer it is stored in Main memory When she is finished, Georgina saves her work to Backing storage 1 mark for each Systems: HARDWARE - magnetic tape; floppy disk; hard disk; CD-ROM; DVD-ROM (e) State three backing storage devices Georgina may use. Floppy disk Hard disk CD DVD USB Flash Max 3 KU Page 5
2 cont This question deals with content from Computer Systems Systems: HARDWARE - (f) Georgina s computer has 4Gb of RAM. RAM (i) State what RAM stands for. Random Access Memory 1 mark for 1 part correct, 2 marks for all correct Systems: LOW LEVEL MACHINEbit, byte, kilobyte (Kb), megabyte (Mb), gigabyte (Gb), terabyte (Tb (ii) State what Gb stands for. Gigabyte (iii) Put the following units in order from smallest to largest. Bit Megabyte Terabyte 1 mark for each in the correct place Max 1 KU Max 3 PS Page 6
3 This question deals with content from General Purpose Packages and Communications and Networks. Brian is writing an essay about Scottish rivers for his geography class. He uses a word processor to write it. Part of the essay is shown below. (see question paper) WORD PROCESSING - alter text alignment; alter text style (a) State two ways in which the heading Scottish Rivers has been formatted. Bold centered WORD PROCESSING - alter text style (b) State any text that has been underlined. River Tay River Spey Max 1 PS WORD PROCESSING - word-wrap (c) When writing the essay, Brian makes use of a feature, wordwrap. Describe wordwrap. A new line is taken Automatically When there is no space left for the next word at the end of the line HUMAN COMPUTER INTERFACE (HCI) user friendliness (d) Brian s word processor has a user friendly HCI. (i) Describe the term use friendly. The software is easy to use (ii) State what HCI stands for. Human Computer Interface Max 3 PS Comms & Nets: ELECTRONIC COMMUNICA TION - Internet (e) Brian gets information for his essay by doing research on the Internet. Use the words below to complete the paragraph. Brian uses a modem to connect his computer to the Internet. To view and navigate to web pages Brian uses browser software. Comms & Nets: ELECTRONIC COMMUNICA TION - electronic mail (f) Brian uses e-mail to send his essay to his teacher. State what e-mail is short for. Electronic Max 1 KU [Turn over Page 7
3 (Cont.) This question deals with content from General Purpose Packages and Communications and Networks. Comms & (g) Apart from sending email and researching Research Nets: for homework, state two other uses for the Shopping INTERNET - Internet. Game playing services Comms & Nets: ELECTRONIC COMMUNICA TION - text messaging (h) As well as using e-mail, Brian also uses text messaging to speak to his friends. Tick ( ) two boxes below to show which of the following statements are true. Text message can be sent from mobile phones as well as some palmtop computers. Text messages cannot be any longer than 160 characters. Page 8
4 This question deals with content from General Purpose Packages Narinda uses a database to store information about all of her pets. Part of the database is shown below. (see question paper). DATABASES - (a) (i) State how many records are shown above. 5 Max 1 PS (ii) State how many fields are shown above. 4 Max 1 PS DATABASES - search/query/find on one field; sort on one field (b) Use some of the words below to complete the following sentences. The database above has been sorted in order of pet name. To get a list of female pets, a search would have to be done on the gender field. Max 4 PS SOFTWARE INTEGRATION - integrated package; links between tasks; common HCI (c) Narinda s database is part of an integrated package. (i) Describe an integrated package. A single package That contains several GPP s With a common HCI 1 Mark for each bullet (ii) State two advantages of an integrated package instead of several separate packages. Common HCI Easy to transfer data Cheaper than single packages Systems: HARDWARE - mainframe (d) Narinda s integrated package allows the user to use wizards and templates. Tick ( ) the correct box which best relates to each of the following statements. This asks the user questions about what they want to create. This is a readymade layout with spaces for text and graphics. 1 mark for each correct tick Wizard Template [Turn over Page 9
4 cont This question deals with content from General Purpose Packages (e) The vet, where Narinda takes her pets to, wants to send a mail shot to all of its clients giving them details of the new opening hours. IMPLICATIONS SOCIAL SECURITY AND PRIVACY ECONOMIC (i) Describe a mail shot. A letter sent to many people That is the same Used to advertise something (ii) Tick ( ) two things the vet must do with Narinda s personal information. Make sure the information is correct Make sure the information is kept safe. Page 10
5 This question deals with content from Industrial Applications A factory uses robots to build computer keyboards. HARDWARE AND SOFTWARE - CAD/CAM (a) The keyboards are designed and built using CAD/CAM system. State what CAD and CAM stand for. Computer Aided Design Computer Aided Manufacturer HARDWARE AND SOFTWARE - sensors; feedback; robots: anatomy motor (b) Complete the paragraph below using the following words. A robot uses sensors to detect if a part is in the correct place. Feedback is sent to the computer system that controls the robot to tell the computer the part is there and this sends a signal to the motor to make the robot move to the correct place. Max 3 PS NEED: speed; hazardous environment; repetitive tasks (c) State two advantages of using robots instead of human workers. Can work 24/7 Very accurate No wastage caused by errors Can work in dangerous conditions IMPLICATIO NS SOCIAL TECHNICAL ECONOMIC - retraining (d) Jim used to work in the factory making the keyboards by hand. Before he can operate the robots, state what he must do. Retrained Max 1 PS Page 11
5 This question deals with content from Commercial Data Processing Every item that a supermarket sells has a barcode. DATA COLLECTION, PREPARATION AND INPUT - bar codes (a) Tick ( ) two of the items below that are contained in a barcode. Item code Country of origin 2 marks for each bullet ADVANTAGES - comparison with manual system (b) State two advantages of using barcodes to enter the price instead of entering prices by hand. Faster to enter data Less chance of incorrect data entry Easier to keep track of stock in shop Itemised receipts 2 marks for each bullet DATA PROCESSING CYCLE - data collection; data preparation, input, processing and storage; output (c) Using barcodes is the data entry part of the data processing cycle. Complete the diagram below using the word given. Data output Data collection Data processing and storage Data input IMPLICATIONS SOCIAL TECHNICAL ECONOMIC SECURITY AND PRIVACY - online shopping (d) More people do their shopping online instead of going to shops. State whether the following are advantages or disadvantages of shopping on line for the customer. (i) Much more choice on offer than a local shop. Advantage Max 1 KU (ii) Have to wait a few days for goods to arrive. Disadvantage Max 1 KU [END OF MARKING SCHEME] Page 12