TT2026-G10/50 ICT Term Test 1 (2026) Grade10This quiz assesses your knowledge of Grade 10 ICT lessons and serves as a revision test for your O/L examination preparation. It helps reinforce key concepts and improve your understanding of important ICT topics.Perfect for:Sri Lankan OL ICT students revising core concepts.Building a strong foundation for exams and practical applications.Good luck! 🖥️📊 1 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 If the ASCII code for 'A' is 65, what is the binary representation of the string "CAB"? 01000011 01000001 01000010 01000010 01000001 01000011 01000001 01000010 01000011 01000011 01000010 01000001 2 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the BCD representation of the decimal number 102? 0001 0000 0010 0001 0001 0010 0001 0010 0010 0001 0000 0001 3 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following statements about the BCD representation of 102 is TRUE? BCD uses fewer bits than pure binary to represent 102. BCD represents each decimal digit as a 4-bit binary number. BCD cannot represent numbers greater than 99. BCD is the same as converting the entire number to binary. 4 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Convert the octal number 753₈ into hexadecimal. 1F3₁₆ F13₁₆ 1E3₁₆ 3F1₁₆ 5 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following is the largest storage capacity? 1024 Gigabytes 1 Terabyte 1024 Megabytes 1024 Kilobytes 6 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the hexadecimal equivalent of the decimal number 255? FF EE DD CC 7 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following coding systems supports the most characters? Unicode ASCII EBCDIC BCD 8 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the octal equivalent of the binary number 101101? 56 55 65 75 9 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following storage devices has the smallest capacity? Cache (වාරක මතකය) RAM Hard Disk USB Drive 10 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following is NOT a unit of data storage capacity? Hertz Kilobyte Megabyte Gigabyte 11 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the hexadecimal equivalent of the binary number 11011011? DB BC CD DA 12 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following statements about number systems are true? (a) Binary uses base 1,0. (b) Octal uses base 1 to 7. (c) Hexadecimal uses base 16. (d) Decimal uses base 10. (a), (b), and (c) (b), (c), and (d) (c), and (d) All of the above 13 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 The binary number system uses ___________ to represent data. In contrast, the decimal system uses ___________ . The hexadecimal system uses ___________ , and the octal system uses ___________ . 0 and 1, 0-9, 0-9 and A-F, 0-7 0-9, 0 and 1, 0-7, 0-9 and A-F 0 and 1, 0-7, 0-9, 0-9 and A-F 0-9, 0-7, 0 and 1, 0-9 and A-F 14 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Convert the binary number 1110110111101111₂ into a hexadecimal number. EDEF₁₆ EFDE₁₆ EDEF₁₆ EEFD₁₆ 15 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Convert the binary number 101101101101₂ into a hexadecimal number. 2DBD₁₆ 2D6B₁₆ 26DB₁₆ 2BD6₁₆ 16 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which stage involves the reconstruction of logical design starting from elementary processes to the context diagram? Logical Design Testing Methods Business System Options Deployment 17 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following is NOT a method of data representation in computer systems? Analog Binary Decimal Hexadecimal 18 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the correct order of data storage capacities from smallest to largest? Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte Byte, Bit, Kilobyte, Megabyte, Gigabyte, Terabyte Bit, Byte, Megabyte, Kilobyte, Gigabyte, Terabyte Byte, Bit, Megabyte, Kilobyte, Gigabyte, Terabyte 19 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 What is the purpose of a business activity model in system development? Drawing data flow diagrams Representing the activities of an organization's business processes Describing logical design activities Proposing business system options 20 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Convert the binary number 1110110111101111₂ into an octal number. 166757₈ 115677₈ 117657₈ 66757₈ 21 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Match the following number systems with their base values.UnitSize(a) Bit(1) Smallest unit of data(b) Byte(2) 8 bits(c) Kilobyte(3) 1,024 bytes(d) Megabyte(4) 1,024 kilobytes (a-2, b-1, c-4, d-3) (a-1, b-2, c-3, d-4) (a-4, b-3, c-2, d-1) (a-3, b-4, c-1, d-2) 22 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following is NOT a unit of data storage measurement? Pixel Bit Byte Terabyte 23 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following statements about number systems are true?(a) Binary uses base 2. (b) Octal uses base 8. (c) Hexadecimal uses base 16. (d) Decimal uses base 10. All of the above (a), (b), and (c) (b), (c), and (d) (a), (c), and (d) 24 / 50 Category: Revision MCQ OL Grade 10 Lesion 3Select Your Preferred Language 😊 Which of the following is NOT a coding system used in computers? JPEG ASCII Unicode BCD 25 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Match the following computer generations with their key technologies:GenerationTechnology(a) First Generation(2) Vacuum Tubes(b) Second Generation(1) Transistors(c) Third Generation(3) Integrated Circuits(d) Fourth Generation(4) Microprocessors (a-2, b-1, c-3, d-4) (a-1, b-2, c-4, d-3) (a-3, b-4, c-1, d-2) (a-4, b-3, c-2, d-1) 26 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which of the following is NOT a method of data validation? Data type check Presence check Data processing Range check 27 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Match the following computer components with their functions:GenerationTechnologyComponentFunction(a) Keyboard(2) Inputs text and commands(b) Mouse(3) Points and clicks(c) Monitor(1) Displays output(d) System Unit(4) Processes data (a-2, b-3, c-1, d-4) (a-1, b-2, c-3, d-4) (a-3, b-4, c-2, d-1) (a-4, b-1, c-2, d-3) 28 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which of the following is NOT an application of ICT in society? E-government Precision farming Manual record-keeping Telemedicine 29 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 A system that converts raw data into meaningful information is called Information system Data processor Communication network Storage device 30 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which of the following statements about computer functions are true? Input devices send data to the computer for processing. Output devices store data permanently. Processing converts raw data into meaningful information. Storage devices are used only for temporary data storage. 31 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Match the following ICT benefits with their descriptions:BenefitDescription(a) Efficiency(1) Faster processing(b) Accuracy(2) Error-free results(c) Speed(3) Reduced resource usage(d) Scalability(4) Ability to grow (a-3, b-2, c-1, d-4) (a-1, b-3, c-4, d-2) (a-2, b-4, c-3, d-1) (a-4, b-1, c-2, d-3) 32 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 What role does an ISP play in networking? Managing device addresses Enhancing device security Translating IP addresses Providing internet access 33 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which networking component connects a home machine to an ISP's network using telephone lines? Router Hub Modem Switch (ස්විචය) 34 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Why do we need human-friendly names instead of IP addresses? To improve device performance To simplify network management To enhance device security To increase device speed 35 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Why is a unique device address necessary in networking? To prevent device overheating To identify the device manufacturer To enable device tracking To identify the sender and receiver 36 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which term refers to the speed at which a signal travels through a medium? Amplitude Frequency Propagation Speed Wavelength 37 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 Which of the following is a property of a signal in networking? Color Temperature Frequency Taste 38 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 What are the two main types of signals in networking? Digital and Analog Binary and Decimal Primary and Secondary Static and Dynamic 39 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 What is the role of modems in networking? Transmitting analog signals over PSTN Encoding digital signals Drawing network topologies Managing network addresses 40 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 What is the unit of transmission in networking? Byte Frame Packet Segment 41 / 50 Category: Revision MCQ OL Grade 10 Lesion 2Select Your Preferred Language 😊 What is the correct sequence of steps in the data processing cycle? Output, Processing, Input, Validation Input, Processing, Validation, Output Input, Validation, Processing, Output Processing, Input, Output, Validation 42 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Match the following computer generations with their key technologies:GenerationTechnology(a) First Generation(2) Vacuum Tubes(b) Second Generation(1) Transistors(c) Third Generation(3) Integrated Circuits(d) Fourth Generation(4) Microprocessors (a-2, b-1, c-3, d-4) (a-1, b-2, c-4, d-3) (a-3, b-4, c-1, d-2) (a-4, b-3, c-2, d-1) 43 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Which of the following is NOT an application of ICT in society? E-government Precision farming Manual record-keeping Telemedicine 44 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Which of the following is NOT a method of data validation? Data type check Presence check Data processing Range check 45 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Which of the following is NOT a characteristic of valuable information? Timeliness Complexity Accuracy Relevance 46 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Which of the following statements about ICT applications are true?(a) ICT is used in agriculture for precision farming. (b) ICT is used in healthcare for patient record management. (c) Manual methods are always better than ICT in finance. (d) ICT is not used in education for online learning. (a) and (b) (a) and (c) (b) and (d) (a) and (d) 47 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Which of the following statements about the evolution of computers is FALSE?(a) First-generation computers were large and consumed significant power. (b) Transistors replaced vacuum tubes in the second generation. (c) Integrated circuits were introduced in the fourth generation. (d) Microprocessors improved speed and efficiency in the fourth generation. (a) and (b) (b) and (c) (c) and (d) (a) and (d) 48 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Match the following ICT benefits with their descriptions:BenefitDescription(a) Efficiency(3) Reduced resource usage(b) Accuracy(2) Error-free results(c) Speed(1) Faster processing(d) Scalability(4) Ability to grow (a-3, b-2, c-1, d-4) (a-1, b-3, c-4, d-2) (a-2, b-4, c-3, d-1) (a-4, b-1, c-2, d-3) 49 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 A system that converts raw data into meaningful information is called a(n): Information system Data processor Communication network Storage device 50 / 50 Category: Revision MCQ OL Grade 10 Lesion 1Select Your Preferred Language 😊 Match the following data processing tools with their functions:ToolFunction(a) OMR(3) Reads marked areas on a form(b) OCR(1) Reads printed characters(c) MICR(2) Reads magnetic ink characters(d) Barcode Reader(4) Reads bar codes (a-3, b-1, c-2, d-4) (a-1, b-3, c-4, d-2) (a-2, b-4, c-1, d-3) (a-4, b-2, c-3, d-1) Your score is 0% Restart quiz