Information Technology Grade 10 March Test 2017 Paper & Memo

Downloaded from hlayiso.com [ KZN DEPARTMENT OF EDUCATION _ | GREENBURY SECONDARY SCHOOL MARCH CONTROL TEST 2017 INFORMATION TECHNOLOGY GRADE 10 | EXAMINER: M PADAYACHEE MODERATOR: S NAIDOO MARK: 60 DATE: 20 ~ 03 ~ 2018 DURATION: 1% HOURS INSTRUCTIONS TO CANDIDATES: Ensure that this paper contains 5 questions on 6 pages. Answer all questions, Number your answers exactly as the questions. Use the mark scheme as a guideline with regard to the length of your answers, Write clear and concise answers ina neatly and legible form. YRwWNE QUESTION ONE ~ { Multiple Choice } Write down the letter of the alternative that best matches the statement or question above it. 1.1A type of memory found inside the CPU. A) Registers B) DRAM C) L2 Cache D) Flash 1.2. A term used to describe a device that is plugged in directly into a port and used immediately, A) USB B) Hot Pluggable C) Plug n play D) Compatible 1.3. Programs and instructions are temporarily stored in/on the A) Hard disk B) Random Access Memory C) Read only Memory D) Flash Memory 1.4. Which of the following is not an example of system software. A) Android B) Linux C) Microsoft D) Apple OS X Page lof6

Downloaded from hlayiso.com 1.5. Which of the following is true about to Freeware and Shareware? A) Both do not allow you to download and share with friends. B) Both allow you to download and share with friends, C) Both use ‘Try before you but’ rule. D) Both allow access to source code, 1.6. 1TB= A) 1000 000kb B) 1024gb C) 1000 000mb D) 1000gb 1.7. An area of memory where programs that are opened or running is temporarily stored, A) HDD B) ROM C) RAM D) CPU 1.8. When bits are transferred one after the other in a single channel, it is referred to as: A) Serial transmission B) Parallel transmission C) Express transmission D) Full Duplex transmission 1.9. Which of the following is an incorrect difference between primary and secondary storage? A) Internal memory is more expensive than secondary memory. B) Primary memory is temporary while secondary memory is more permanent. C) RAM faster than secondary memory. D) Primary memory is unlimited compared to secondary memory. 1.10. Which of the file extensions is the odd one out? A) jpeg B) gif C) BMP D) mp4 [10] Page 2 of 6

Downloaded from hlayiso.com QUESTION TWO Choose the correct term in column B to mate! number of the question and the letter of the choice that matches it. n the description in column A. Write down only the Column A | Column B dels A serial port that is responsible for high speed video and camera connections. | ADRAM 2.2. The area found at the bottom of the Desktop that indicates the programs that are running, B Shareware | 2.3. Software that tells the OS about a device that is connected to | C Laser | the computer and how to use it. 2.4. When data is transferred within the computer many bits ata | D Dual Core time along several wires. 2.5. The software responsible for checking configuration and E Taskbar ___ system settings. | 2.6. A single chip that can house four processors. F File Compression 2.7. Software you may use on a trial basis after which you will be | G Serial _charged for using it. . Type of printer that uses static electricity to bind toner to paper, then fuses the toner to the paper using heated rollers. H Utilities . The process of shrinking a file so that it occupies less storage space. I Freeware 2.9 2.10. To prepare a disk for storage by clearing its contents. J Quad Core K_ Driver L_ Format M Firewire N_ CMOS — O SRAM P_ Parallel [10] | QUESTION THREE Write down whether each of the statements below js true or false. If false give a reason by correcting the statement, 3.1. The BIOS ofa computer is found on a ROM chip and not in RAM, 3.2. Piracy refers to copying somebody else’s work and presenting it as your own. 3.3. Drivers are programs that add value and features to your system. Page 3 of 6

Downloaded from hlayiso.com 3.4, Microcomputers are usually only used for tasks that only countries, government agencies and the military can afford — such as genetic research, weather forecasting, atomic research, simulations etc. 3.5. A stand alone operating system is an OS that forms part of a large network. QUESTION FOUR [HARDWARE AND SOFTWARE] Study the quotation presented by the school technician. This computer was recommended for the secretaries at the office. Dell Vostro ¥2/0 Desktop SKU: LEB. Intel iS - 3289 Processor 3.6 GHz Windows 10 DVD WriterLbx WLAN 803.12 and Ethernet Connectivity 19-4-1 Memory card reader Integrated 5.1 HD audio Intel HD Grapnics 438 RAM 1 TB.HDD (SATA) Syear Warranty YoY R8 999,99 YY YOY OY OY OY 4.1. Would you recommend this computer if the secretaries do more work at home than at school? What computer would you recommend? (2) 4.2. When using this computer, will the user be using a command line interface or a graphical user interface? Give a reason based on the information supplied. (2) 4.3. Write down the size of the hard disk space of the computer. (1) 4.4. A kilobyte contains 1024 bytes. Briefly explain why this is not 1000 bytes. () 4.5. What does the abbreviation SATA stand for? (1) 4.6. Name the processor and its manufacturer from the quotation. (2) Page 4 of 6

Downloaded from hlayiso.com 4.7. What is the speed of this processor? (2) 4.8. This computer comes with Windows 10 as its operating system. 4.8.1. What type of software is an Operating system classified as? (1) 4.8.2. What is open source software(OSS)? (2) 4.8.3. Name two possible disadvantages of using open source software. (2) 4.9. Discuss the four main functions of the Operating system, (4) 4.10. It was suggested that prices for the three different types of monitors be obtained first before purchasing. List the three different types, (3) 4.11. Tabulate two differences between a SSD and SATA drives. (4) 4.12. Fully discuss the term Biometric Input and give two examples of it. (3) [30] QUESTION FIVE {GENERAL QUESTIONS — INTEGRATED SCENARIO} 5.1. State two structural differences between desktops and laptops. (2) 5.2. Describe briefly how an instruction is processed by the CPU and why this process gets faster when the RAM is increased, (2) 5.3. Defrag is an important software used by the operating system. What type of software is this? What does it do? (2) 5.4, List two differences between RAM and secondary Storage. (4) 5.5. Explain the difference between “eut and paste” and “copy and paste” when working with documents, (2) 5.6. List two unique characteristics of a smartphone that makes it different from a computer. (2) Page 5 of 6

Downloaded from hlayiso.com 5.7. Explain the terms: 5.7.1. Download 5.7.2. Install 5.7.3. CMOS 5.8. Explain how a Blu-ray disk is different from DVD. 5.9, The CPU has a very special type of memory called CACHE memory? a) What is this memory made up of and how does it help the CPU? b) Explain what is L1 and L2 cache memory. c) Why is cache memory so small compared to normal RAM? 5.10. Explain in your own words what you understand by the term: 5.10.1. Green Computing 5.10.2. Digital Divide [30] (2) (2 (2 (2) (2) 2) @) C) GRAND TOTAL = 90 +3 x 2 = 60 f UY Page 6 of 6

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Downloaded from hlayiso.com 4.8.3. Name two possible disadvantages of using open source so. are. (2) -has limited features a“ - May contain viruses or malware ef 4.9. Name and describe any two major functions of the operating system. (4) File VO Leapivols and manages saving and retrieving of files from the hard drive as well as other external storage media. Device /O Lontrols and manages all different devices that are connected to the motherboard of the computer. a ® chow aa 4 2 Manages CPU vw Memory managemept~ Controls and manages all forms of memory. It allocates memory available to differant tasks and/or programs. Manages the Hard disk space. 4.10. It was suggested that prices for the three different types of monitors be obtained first before purchasing. List the three different types. (3) CRT = cathode ray tube “ LCD ~ Liquid Crystal Display, LED — Light Emitting Diode 4 4.11. Tabulate two differences between a SSD and SATA drives. (4) SATA SSD ] 1. Moveable parts 7 1. | 2. Magnetic “ 2 3. Slow’ | 3 4 Cheap~ 4 | 4.12. Fully discuss the term Biometric Input and give two examples of it. (3) Biometric rane ses devices that can Identify special human character trails and use it to grant or deny access to systems e.g. Iris Scanner or Fingerprjtt scanner [30] QUESTION FIVE {GENERAL QUESTIONS — INTEGRATED SCENARIO} Page 3 of 6 5.1. State two structural differences between desktops and laptops. (2) - Desktops are bulky while laptops are light x - Desktops are fixed and laptops are moveable or portable/mobile “ MWY 2 - Desktops must have a constant connection to power supply laptops may use a battery ~ 5.2. Describe briefly how an instruction is processed by the CPU and why this process gets faster when the RAM is increased. (2) The CPU can only process an instruction when it ee RAM. The bigger the RAM, the more instructions can pass from the RAMto CPU. Otherwise, the instruction has to be converted from magnetic memory to Electric memory and this takes time. 5.3. Defrag is an important software used by the operating system. What type of software is this? What does it do? (2) - Itis used to find all files belonging to the same category and move Wem to a ingle sector or close by on a disk. This makes finding them very easy. Thus your computer gets faster access time for files improving the speed of the computer. a 5.4. List two differences between RAM and secondary Storage. (4) | ___ RAM Secondary storage 1. Electric ~ i. Magnetic 2. Temporary / Volatile” 2. Permanent 3. Expensive 3. Cheaper any 2 4, Internal / 4. External , y ~ 5. Limited to motherboard space“ 5. May increase- unlimited ~ 6. Can be accessed directly by CPle 6. Cannot be accessed direct. cpu 5.5, Explain the difference between “cut and paste” and “copy and paste” when When working with documents. (2) py ii paste — is when a copy of the selectedfext/pic is stored on the clipboard and then copied onto another location. So there is padre than one occurrence of the item in the document. Cop Cut n paste means the item selected is removed from where it appears in the document and pasted in a completely new area. There is no copy of the item made. 5.6. List two unique characteristics of a smartphone that makes it different from a computer. (2) Poge 4 of 6

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