M4-R5.1 Past Paper - August 2023 PDF
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Uploaded by Deleted User
2023
O Level
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Summary
This is an O Level past paper from August 2023, containing multiple-choice questions about the Internet of Things (IoT). The paper covers various aspects like communication, sensors, and security in the context of IoT.
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## Solved Paper - (MCQ based) O Level Examination held in August 2023 (Memory based questions) M4-R5.1-1OT **Duration:** 03 hours **Maximum marks:** 100 **Instructions:** Each question below gives a multiple choice of answers. Choose the most appropriate one. (1x100=100) ### Questions 1. What...
## Solved Paper - (MCQ based) O Level Examination held in August 2023 (Memory based questions) M4-R5.1-1OT **Duration:** 03 hours **Maximum marks:** 100 **Instructions:** Each question below gives a multiple choice of answers. Choose the most appropriate one. (1x100=100) ### Questions 1. What is the full form of GSN? * Global Sensor Networks * Google Sense Network * Global sense Network * None of these 2. Letter, email, telephone are example of ____. * communication channel. * Message * Feedback * Encoding 3. ____ empowers IoT by bringing together everyday objects. * Intelligence * Connectivity * Dynamic Nature * Enormous Scale 4. In IoT as one of the key characteristics, devices have different hardware platforms and networks. * Sensors * Heterogeneity * Security * Connectivity 5. IOT devices are naturally vulnerable to ____ threats. * Sensors * Security * heterogeneity * connectivity 6. Which sensor measures the pressure relative to perfect vacuum? * Absolute pressure sensor * Gauge pressure sensor * Vacuum pressure sensor * Differential pressure sensor 7. Which axis accelerometer is mostly used in IOT? * 2- axis * 3-axis * 1-axis * Combination of all 8. Each IP packet must contain: * Only Destination IP Address * Only Source IP Address * Source and destination IP addresses 9. None of the Above * LTP stands for ____. * Lean Transport protocol * Lean Transducer protocol * Layer Transport protocol * Layer Transducer protocol 10. ____is the method of collecting primary data. * Observation * Survey * Interview * All of the above 11. Communication begins with ____. * Encoding * Decoding * Idea origination * Channel selection 12. A study of the culture and practises in different societies is called ____. * Anthropology * Entomology * Palaeontology * Orithology 13. What is the correct syntax of for loop in C? * for (initialization; condition;increment operation;) { //statements } * for(declaration; condition; increment operation) { //Statements } * for(increment operation; declaration; condition;) //Statements * for (initialization; condition;increment operation;) { //statements } 14. What is the output of the given below program? ```c #include<stdio.h> int main() { int i=0; for(i) print("Hello"); return 0; } ``` * know Program * program is printed infinite times. * Compiled Successfully, No output * Compile-time error 15. What is the way to suddenly come out of or Quit any Loop in C language? * continue; statement * break; statement * leave; statement * quit; statement 16. Choose a correct c statement regarding to below for loop code. ```c for(;;); ``` * for loop works exactly first time. * for loop works infinite number of times * compile error * None of the above 17. What is the output of C program? ```c int main() { int a=10, b,c; b=a++; c++a; printf("%d %d %d", a,b,c); return 0; } ``` * 10 11 12 * 12 10 12 * 12 11 12 * 12 12 12 18. What is the full form of ASCII with regard to C Language? * American Information Interchange standard code for * Australian Standard Code for Information Interchange * American Symbolic Code for Information Interchange * Australian Symbolic Code for Information Interchange 19. A function which calls itself is called a ____. * Self function * Auto function * Recursive function * static function 20. In the context of stress research, GAS stands for ____. * Generalized anxiety symptoms * General adaptation syndrome * Gustatory alimentary system * Generic adrenal sensitivity 21. The conditional operator are also known as ____. * Relational operator * Binary operator * Ternary operator * Arithematic operator 22. The father of modern stress research is ____. * Hans Selye * Lazarus * Elder * Parker 23. The three types of stress are ____. * Physical and psychological and social environmental * Physical, personal and social * Physiological, behavioural and emotional * All of the above. 24. What is Cyber Security? * Cyber Security provides security against malware * Cyber Security provides security against cyber-terrorists * Cyber Security protects a system from cyber attacks * All of the mentioned 25. What is Literals? * constant values assigned to the constant variables. * dynamic variable * string * None of these 26. ____ extends the single device-to-cloud communication model so that IOT devices and sensor data can be accessed by authorized third parties. * Device to Cloud * Device to Gateway 27. Which of the following is a bitwise operator? * && * || * << * * 28. What is the major difference between a microprocessor and a microcontroller? * Presence of external peripherals * Presence of internal peripherals * CPU * Stack pointer 29. Choose a syntax for C ternory operator? * condition? Expression1: expression2 * condition: Expression1? expression2 * condition< Expression1: expression2 * condition> Expression1: expression2 30. Secure shell (SSH) network protocol is used for ____. * remote command-line login * remote command execution * secure data communication * All of the mentioned 31. DHT sensor uses ____. * UART * SPI * I2C * None of these 32. ____ is known as referencing operator. * #(preprocessor) * & (Address of operator) * * (value add operator) * $ 33. SPI stands for ____. * Serial peripheral Interface * Serial parallel Interface * Synchronize peripheral Interface * Sequence peripheral Interface 34. SPI uses how many lines? * 4 lines * 1 lines * 3 lines * 2 lines 35. What is the fullform of SONAR? * System of navigation and Research * Sound navigation and ranging * Sound of Natural Agriculture Research * Sound of Navigation & Research 36. What is the full form of CISC? * Complex instruction set computers * Calculated informed set computers * Complex inflow set computers * None of the above 37. Uses of cloud computing ____. * File storage * Big Data Analytics * Data backups and archiving * All of the above 38. What is the use of MQ2 Gas Sensor? * object identification * To provide 3G Connectivity * To measure presence of gas * To measure Wi-Fi strength 39. Which of the following is not a comparision operator? * = * <= * == * < 40. What language does "Resume" taken from? * French * Japan * America * India 41. What type of control system is an automatic washing machine? * Closed Loop control system * Open loop control system * Both A and B * None of these 42. Which of the following is not a key leadership trait as proposed by trait theory? * Leadership motivation * Honesty and integrity * Rigidness * Self confidence 43. int a:16; what is 16 indicate here? * value * Size * Address * None 44. The LDR sensor converts the ____ energy into the change in resistance. * Photonic * Hydraulic * Pneumatic * Gaseous 45. Who is the Father of the Bitcoin? * Satoshi Nakamoto * Tim berner lee * Ray Tamilson * None of these 46. Bitcoin is a ____. * Gold currency * Cryptocurrency * Artificial currency * None of these 47. Linear LDR sensors are alternatively named as ____. * photodiodes * SCR * zener * All of the above 48. The aim of negotiation is: * To ensure best deal for customer * To ensure best deal for salesperson * To ensure mutually acceptable deal for both parties * To increase sale turnover 49. Lifi uses ____ as medium for dat communication. * air * water * Gas * Light 50. LED stands for ____. * Light Emitting Display * Low Energy Display * Light Emitting Diode * Light Emitting Detector 51. Zigbee is an alternative to which technology * Bluetooth 52. LORANWAN stands for ____. * Light Range Wide Area Network * Low Range Wide Area Network * Low Range work Area Network * Low Rate Wide Area Network 53. NFS Stands for ____. * Near Field Communication * Nest Field Communication * Net Field Communication * Net Free Communication 54. GSM Stands for ____. * Global system for Mobile Communication * Global System for Multimedia * Good System for Mobile Communication * Greate System for Mobile Communication 55. LTE-A stands for ____. * Low term Evolution Advanced * Long-term Evolution Advanced * Light Tube Evolution Advanced * Low Transmission Evolution Advanced 56. Risk management is responsibility of the ____. * Customer * Investor * Developer * Project team. 57. A ____ tends to convert electrical signal to physical action. * Actuator * Compiler * Sensor * Motors 58. ____ is a technology where the interaction between technology and it's user is designing to occurs in the users periphery rather than constantly at the centre of attention. * Calm Technology * IOT * Arduino * Ambient computer 59. ____ is a structured data which is stored in MB, GB, TB and always locally present. * Big Data * Small Data * Physical Computing * Cloud Computing 60. A ____ combined a required electronic circuit of various computer components onto a single integrated chip. * System on chip * System on change * Source on chip * Source on change 61. SOC stands for ____. * system on chip * system on change * source on chip * source on change 62. RISC stands for ____. * Reduced instruction set computer * Remaining instruction set computer * Remaining Intermediate storage of computer * Reduced Intermediate storage of computer 63. Which of the following architecture is followed byte general-purpose microprocessors? * Von Neumann Architecture * Harvard architecture * ABC architecture * None of these 64. Cloud model relies on ____. * Communication API * middleware * Web documents * embedded device 65. What widely used service is built on cloud computing technology? * twitter * gmail * Skype * All of the above 66. Which type of word is used for verbal communication? * Acronyms * Simple * Technical * Jargons 67. Written communication can be classified in which type of communication? * Non-verbal * Verbal * Visual * None of these 68. Which of the following is an example of oral communication? * Newspaper * Letters * Phone call * e-mail 69. RAM Size in a fast Arduino board is ____. * 1MB * 2MB * 3MB * 4MB 70. Arduino zero has ____ digital I/O pins. * 10 * 12 * 14 * 16 71. In Arduino ethernet board the connection is fed to ____. * Analog pin * Internet * Switchboard * Towers 72. Arduino pro micro board has ____ digial 1/0 pins. * 10 * 11 * 12 * 13 73. SBC stands for ____. * Standard Building Centre * Smart Business Centre * Standard Business Centre * Smart Building Centre 74. ICSP stands for ____. * In-circuit programmer * In-circuit serial programming header * Information and Computer Service Provider * Integrated serial programming header 75. The computer devices and smart phones that have ____ with pressure sensor. * Automotive Industry * Industrial * Aviation * Touch screen 76. Which of the following command is used to trigger the Amazon echo IOT device? * Hello * Suri * Alexa * Hey 77. ADC stands for ____. * A Digital Converter * Analog-to-Digital Converter * Analog Device Converter * None of these 78. Which of the following issues are considered in IoT? * Security Issue * Reliablity Issue * Standard Issue * All issues 79. Gyroscope is used to measure ____. * Linear Acceleration * Angular velocity * Angular velocity and linear acceleration * Linear velocity 80. Arduino can work on a variety of ____ like windows, Linux, and mac. * platforms * Elements * Batteries * Components 81. Every board of Arduino has five volts ____ regulator. * Vertical * Linear * Horizontal * None of the above 82. Arduino Bluetooth also called Arduino ____. * Due * Diecimila * BT * None of these 83. Arduino Uno has a memory of ____ SRAM. * 2KB * 5KB * 9KB * 6KB 84. Arduino Uno has only ____ Flash Memory. * 32KB * 20KB * 2.5KB * 64KB 85. Arduino bluetooth has ____ analog pins. * 2 * 4 * 6 * 8 86. Each microcontroller of the Arduino is pre-programmed by the ____. * Amplifier * Actuator * Bootloader * None of these 87. Arduino Bluetooth holds a crystal oscillator of ____ frequency. * 12MHZ * 16MHZ * 20MHZ * 14MHZ 88. EDBG Stands for ____. * Embedded debugger * Embedded digital * Embedded dragger * None of these 89. Sensors and actuators data output is very easy to read and ____. * Write * Swing * Move * Control 90. What is the use of accelerometer in laptops? * To rotate the screen * To protect hard drives from damage * To get the angle on monitor * To get the linear acceleration 91. ____ sensor is used for tracking rotation or twist. * Gyroscope * Temperature * Pressure * Proximity 92. SMBUS stands for ____. * Serial Memory Bus * Serial Management Bus * System Management Bus * System Memory Bus 93. Which has a half duplex communication? * Queued SPI * Microwire * Microwire/plus * Quad SPI 94. Which of the following is an advantage of SPI? * No start and stop bits * Use 4 wires * Allows for single master * Error checking is not present 95. What is the full form of the abbreviation called PPM? * Parts Per Million * Parts Per Milligram * Parts Per Megagram * Parts Per Millilitre 96. Secure digital card application uses which protocol? * UART * SPI * 12C * USART 97. MOSI means ____. * Line for master to send data to the slave * Line for the slave to send data to the master * Line for the clock signal * Line for the master to select which slave to send data to 98. Which technology used by Sigfox? * Ultra Narrow Band(UNB) * Universal Narrow Band(UNB) * Global Narrow Band(GNB) * Local Narrow Band (LNB) 99. GPRS stands for ____. * Global packet Radio service * General packet Radio Service * General Purpose Radio Service * General Purpose Radio System 100. SPI device communicates in ____. * Simplex * Half duplex * Full duplex * Both Band C **Answer Sheet:** | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | |:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:| | A | A | B | B | B | A | B | C | A | D | A | A | B | D | B | A | A | A | C | B | C | A | A | D | A | C | B | D | A | D | A | B | A | A | B | A | D | C | A | A | B | C | B | D | A | B | A | C | D | A | B | A | A | B | B | D | A | A | B | A | A | A | B | A | A | B | A | B | A | B | C | A | A | B | B | C | B | A | B | B | C | D | B | A | C | B | A | A | B | B | A | A | A | C | B | A | A | B | B | A | B | B | C |