Mahinda Rajapakse College – Matara First Term Examination – 2017 Information & Communication Technology I,II Grade : 10 Index No: ……………………… Grade : 10 A/B/C/D Two hours Information & Communication Technology I Answer all questions. pick one of the alternative (1), (2), (3), (4) which you consider as correct or most appropriate. 1. Which of the following is considered as row data? (1) Marks obtained by a student in a class. (2) Sorted list of marks obtained by student in a class. (3) Maximum marks obtained by students in a class First generation (IG/I Gen) computers were based on (4) Average marks obtained by student in a class 2. 3. (1) Vacuum tubes (2) Transistor (3) Integrated circuits The most general term used to describe the physical components of a computer is 4. (1) Software (2) Hardware (3) Firmware (4) Live ware The part of a computer that processes instructions, performs calculations, makes logical decisions and manages (4) Microprocessors. the flow of data through the computer system is know as 5. (1) Hard Disk (2) RAM Consider the following statements. A - Keyboard is an input device Which of the above is/are true? 6. 7. (3) Data Bus (4) CPU B - Monitor is an output device C - Compact disk is a storage device (1) A only (2) B only (3) A and C only Under which of the following categories is a laptop computer classified? (4) All A, B and C (1) Microcomputer (4) Supercomputer (2) Minicomputer (3) Mainframe The main purpose of using an Uninterruptible Power Supply (UPS) in a computer system is to (1) Provide backup power in the case of a mains power failure (2) Provide the computer system from lighting. (3) Provide (Direct Current) DC power to the computer circuitry. 8. (4) Change the internal battery of the computer. The clock rate of a CPU of a modern Personal Computer (PC) is usually expressed in (1) GHz (gigahertz) 9. (2) Mbps (megabits per second) (3) GB (gigabytes). (4) IPS (Instruction Per Second) Which of the following statements is incorrect regarding the computer memory? (1) Memory refers to the primary memory or internal memory of the computer (2) It holds data & program instruction for processing. (3) If the electrical power is cut off then the stored data & instruction will be lost. (4) It is the place where arithmetic and logic operations are done. 10. Which of the following does not contain information? (1) A weather report (3) A price list displayed in a super market (2) A time table (4) An unlabelled chart. 11. …………………… is a very small computer that can be held in the palm of a person (1) PC (2) Laptop (3) PDA (4) Minicomputer 12. Which one of the following is not a pointing device? (1) Light Pen (2) Joystick (4) Barcode reader (3) Trackball 13. Consider the following statements regarding storage media (A) A typpical floppy disk has less storage capacity than a compact disk (B) A modern hard disk has more storage capacity than a compact disk (C) A digital versatile disk has more storage capacity than a modern hard disk Which one of the following is true? (1) (A) only (2) (B) only (3) (A) and (B) only 14. Which of the following statements is incorrect regarding the computer memory? (1) Memory refers to the primary memory or internal memory of the computer (2) It holds data & program instruction for processing. (4) (C) only (3) If the electrical power is cut off then the stored data & instruction will be lost. (4) It is the place where arithmetic and logic operations are done. 15. In computer applications, the acronym CAD generally stands for: (1) Computer Aided Drawing (2) Computer Aided Design (3) Computer And Data (4) Customized Application Design 16. A doctor monitors the temperature of a patient having fever over a five hour period by: (A) laying the hand on the patient's forehead at an hourly interval (B) asking the patient about the fever condion at an hourly interval (C) drawing a graph using the readings obtained by a thermometer at an hourly interval Which of the above gives/give the doctor, information about the patient's fever condition? (1) Only (A) (2)Only (B) (3) Only (C) (4) All (A), (B) and (C) 17. The invention of the Integrated Circuits marked the start of the ………………… generation of computers. (1) first (2) second (3) third 18. Which row of the given table matches the two columns, Hard disk and Scanner correctly? (4) fourth (1) A Hard isk Scanner A Input Output (2) B B Storage Input (3) C C Input Storage (4) D D Output Input 19. In the evolution of computers, the vacuum tube was replaced by the transistor and the transistor was later replaced by the integrated circuit (IC). In this process, In this process, the ………A………… of the computer increased while the ………B………… decreased. The suitable terms for A and B are respectively (1) efficiency, physical size (2) efficiency, reliability (3) physical size, efficiency 20. "………C………. is processed into ………..D…………. by information systems." Which of the following pairs of terms is appropriate for C and D respectively? (1) Information, data (2) Data, information (3) Data, instructions 21. Consider the following computer devices: A – Keyboard B – Scanner C – Printer (4) physical size, cost (4) Instructions, information D – Speaker Which of the above could be used as input devices of a computer? (1) A and B only (2) A and C only 22. Consider the following statements: (3) C and D only (4) All A, B, C and D A – Random Access Memory (RAM) is a volatile memory. B – Hard disk is an auxiliary storage device C – A floppy disk can store more data that a compact disk (CD) Which of the above is/are correct? (1) A only (2) C only (3) A and B only (4) B and C only 23. Identify A, B and C from Figure 1. (1) A = power socket, B = PS/2 port, C = USB port A (2) A = power socket, B = serial port, C = PS/2 port (3) A = power socket, B = parallet port, C = serial port (4) A = parallel port, B = serial port, C = USB port 24. Consider the following devices: B C A – Digital camera, B- Speaker, C-Hard disk Which of the above is/are usually used as an output device/devices of a computer? (1) A only (2) B only (3) A and B only (4) B and C only 25. Which of the following is correct during program execution on the CPU? (1) Instructions and data are brought from the main memory. (2) Instructions are brought from the main memory and data are brought from the secondary storage. (3) Instructions are brought from the secondary storage and data are brought from the main memory. (4) Instructions and data are brought from the secondary storage. 26. Which of the following statement(s) is/are true regarding Telemedicine? A – The Internet or other network systems are used to maintain the connection between the doctor and the patient. B – Patients in local medical institutions with network connections could be remotely examined by specialist doctors residing in distant locations. C – Telemedicine could be used to improve the efficiency of clinical, medical, health education, administrative and research activities. (1) A only (2) A and B only (3) A and C only (4) All, A, B and C 27. Which of the following can be classified as data in comparison with information? (1) Average monthly temperature in the city of Matara (2) A pie chart showing percentage of male and female students in a school (3) Last four digits of a residential telephone number. (4) Maximum mark obtained for ICT by grade 10 students. 28. A student prepares a report and saves into a permanent storage device (device 1) inside the computer. He then copies the report to a portable storage device (device 2) to be given to a friend. Which of the following is most appropriate to represent device 1 and device 2 respectively? (1) Main memory and flash memory. (3) Main memory and Compact Disk (CD) (2) Hard disk and Compact Disk (CD) (4) Hard Disk and Main Memory 29. A person has taken a photograph using a digital camera. Subsequently he shows the photograph to one of his friends using the display of the camera. In this scenario, the camera serves as a/an (1) Input device only (3) Communication device only (2) Out put device only (4) Input/Output device 30. The Central Processing Unit (CPU) of a computer consists of which of the following.? (1) Arithmetic and Logic Unit (ALU), Control Unit (CU), display unit (2) Arithmetic and Logic Unit (ALU), Control Unit (CU), input/output devices (3) Arithmetic and Logic Unit (ALU), Control Unit (CU), memory registers (4) Arithmetic and Logic Unit (ALU), Control Unit (CU), secondary storage Information & Communication Technology II Answer five (04) questions only, selecting first question and three others. (1) 1. 2. Classify computers into three types according to technology Write the difference between data and information 3. 4. Write why there is no symbol on the space bar of a computer keyboard. Why is a dot matrix printer not suitable to be used in an operation theatre? 5. Why do you need more computer memory to store a video clip than an audio clip 6. List two developments in Information and Communication Technology which make it easier for students to carry out their educational activities from home. 7. 8. Write two disadvantages of using faxes in communication What is the minimum number of keys required to represent the English alphabet (A to Z, a to z), digits (0 to 9) and the 9. ten special characters ! @ # $ % ^ & * ( ) in a computer keyboard? Why it is not advisable to place speakers very close to a CRT monitor? 10. State two advantages of a flash memory over a DVD-RW (Rewritable)? (2) 1. A tourist takes photographs of interesting places in Sri Lanka using the built-in camera of his tablet computer and saves the captured images on the hard disk of the device. Later, he edits the images using the touch screen and copies them to a USB drive. 2. Identify and write down two input devices and two storage devices used in the above scenario. G.C.E (Ordinary Level) candidates can obtain their examination results from the website of the Department of Examinations. When the Index Number is entered to the data entry form of the website, the system validates it. If it is valid, then the results will be retrieved from the database and displayed on the screen. Write the input, process and output 3. for this scenario. Imagine that you have purchased a few items from a shop. The cashier has issued the bill. You have found that the amount mentioned in the bill is incorrect and you have informed the cashier. By considering yourself as a system, identify the input, process, and the output in the above scenario. (3) The following diagram shows the Von Neumann Architecture. D A C E B Control Unit 1. Name the components marked with letters A, B, C, D, and E. 2. 3. Give two examples each for the components A, D and E The above computer system is used for numerical calculations of several numbers. In which component does this 4. operation take place? A student prepares a report using a computer system. First he types a part of the report and saves it. On a later day, he opens the partially completed report and completes it. He then takes a printout of the report. Identify the components among A, B, C, D and E that correspond to each of the following activities. 1. Typin gthe report 2. Saving the report 3. Printing the report 5. (4) 1. What is the role (funtion) of component C in carrying out the activiteis in (4) above? Assume that your friend says "telemedicine is taking medicne from home by contacting a doctor over a phone." Explain why you friend's statement is incorrect. Write down an example to illustrate the correct use of telemedicine. Kumara travels around the country to sell mobile phone parts and accessories. After each sales, he enters the sales details inot his tablet computer using the touch screen. At the end of the day he views the total sales details. What is the (a) input 2. device (b) output device used by Kumara? (a) List two kinds of input devices that allow us to input digital images directly into a computer. (b) List two kinds of data storage media that can be used to exchange data or programs between two users. 3. Kalpitha studies abroad. His parents communicate with him by sendign letters through postal service. He told his parents that it is easier and cheaper to communicate through email. (a) List two other methods his parents could use to communicate with Kalpitha using the Internet. (b) List three advantages in communicating via email instead of traditional postal mail service. (5) 1. Explain how the health sector has benefited from Information and communication Technology (ICT), using two example applications. 2. Describe how ICT can be used in teaching and learning process. Your answer should include two examples of educational applications. 3. Explain how farming in Sri Lanka could be improved by using ICT, Provide three examples. 4. Explain how transport industry in Sri Lanka could be improved by using ICT, Provide two examples. (6) Write breif accounts on any three of the following titles. 1. Advantages of using a personal Computer for studies. 2. Exploiting ICT to develop tourism in Sri Lanka 3. 4. Disadvantages of the Internet. Improving the efficiency of Sri Lankan workforce using ICT
© Copyright 2025 Paperzz