Description : Which instruction set architecture is used in Raspberry Pi? A. X86 B. MSP C. AVR D. ARM
Last Answer : D. ARM
Description : The CPU of a system having 1 MIPS execution rate needs 4 machine cycles on an average for executing an instruction. The fifty percent of the cycles use memory bus. A memory read/write employs one machine cycle. For ... (A) 500 Kbytes/sec (B) 2.2 Mbytes/sec (C) 125 Kbytes/sec (D) 250 Kbytes/sec
Last Answer : (D) 250 Kbytes/sec
Description : AVR stands for_____________________. A. Advanced Virtual RISC. B. Alf-Egil Bogen and Vegard Wollan RISC C. Both A & B D. None of the above
Last Answer : C. Both A & B
Description : ______________ was developed in the year 1996 by ATMEL Corporation A. PIC B. AVR C. ARM D. ASIC
Last Answer : B. AVR
Description : ______________ is the smallest microcontrollers which can be programmed to perform a large range of tasks. A. PIC microcontrollers B. ARM microcontrollers C. AVR microcontrollers D. ASIC microcontrollers
Last Answer : A. PIC microcontrollers
Description : What is the microcontroller used in Arduino UNO? A. ATmega328p B. ATmega2560 C. ATmega32114 D. AT91SAM3x8E
Last Answer : A. ATmega328p
Description : Processors used in many microcontroller products need to be______ A. high power B. low power C. low interrupt response D. low code density
Last Answer : B. low power
Description : Which of the following processor architecture supports easier instruction pipelining? A. Harvard B. Von Neumann C. Both of them D. None of these
Last Answer : A. Harvard
Description : Which of the following is not true about embedded systems? A. Built around specialized hardware B. Always contain an operating system C. Execution behavior may be deterministic D. All of these E. None of these
Last Answer : E. None of these
Description : Which of the following is true about CISC processors? A. The instruction set is non-orthogonal B. The number of general purpose registers is limited C. Instructions are like macros in c language D. Variable length instructions E. All of these F. None of these
Last Answer : E. All of these
Description : The instruction set of RISC processor is A. Simple and lesser in number B. Complex and lesser in number C. Simple and larger in number D. Complex and larger in number
Last Answer : A. Simple and lesser in number
Description : is the step during which the operations specified by the instruction are executed: a. Execute b. Decode c. Both a& b d. None of these
Last Answer : a. Execute
Description : What are the essential tight constraint/s related to the design metrics of an embedded system? A. Ability to fit on a single chip B. Low power consumption C. Fast data processing for real-time operations D .All of the above
Last Answer : D .All of the above
Description : A CPU handles interrupt by executing interrupt service subroutine................. (A) by checking interrupt register after execution of each instruction (B) by checking interrupt register ... cycle (C) whenever an interrupt is registered (D) by checking interrupt register at regular time interval
Last Answer : (A) by checking interrupt register after execution of each instruction
Description : Which instruction of 8051 microcontroller is used for reading data from code memory? A) Mov B) MOVC C) MOVX D) XCH
Last Answer : Mov
Description : Which is the part of Data Link Layer: a. LLC b. MAC c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : MQTT is: a. Based on client-server architecture b. Based on publish-subscribe architecture c. Based on both of the above d. Based on none of the above
Last Answer : b. Based on publish-subscribe architecture
Description : IoT devices are ____ A. Standard B. Non-standard C. Both D. None
Last Answer : B. Non-standard
Description : Properties of IoT devices. A. Sense B. Send and receive data C. Both A and B D. None of above
Last Answer : C. Both A and B
Description : Properties of Arduino are: A. Inexpensive B. Independent C. Simple D. both A and C
Last Answer : D. both A and C
Description : Accelerometer sensors are used in______ A. Smartphones B. Aircrafts C. Both D. None of above
Last Answer : C. Both
Description : Linear actuators are used in________ A. Machine tools B. Industrial machinery C.both A and B D.None
Last Answer : A. Machine tools
Description : Transport layer receives data in the form of? A. Packets B. Byte streams C. Bits stream D. both packet and Byte stream
Last Answer : B. Byte streams
Description : MQTT is: A. Based on client-server architecture B. Based on publish-subscribe architecture C. Based on both of the above D. Based on none of the above
Last Answer : B. Based on publish-subscribe architecture
Description : ASIC chip is A. Simple in design. B. Manufacturing time is less. C. It is faster. D. Both A&C.
Last Answer : C. It is faster.
Description : Which of the following is an example for wireless communication interface? A. RS-232C B. Wi-Fi C. Bluetooth D. EEE1394 E. Both (B) and (C)
Last Answer : E. Both (B) and (C)
Description : Which architecture involves both the volatile and the non-volatile memory? A. Harvard architecture B. Von Neumann architecture C. None of the mentioned D. All of the mentioned
Last Answer : A. Harvard architecture
Description : Which of the following is an (are) example(s) of an embedded system for signal processing? A. Apple iPOD (media player device) B. SanDisk USB mass storage device C. Both (A) and (B) D. None of these
Last Answer : D. None of these
Description : Which IEEE standard is developed for CSMA/CD a. IEEE 802.1 b. IEEE 802.2 c. IEEE 802.3 d. IEEE 802.4
Last Answer : c. IEEE 802.3
Description : Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a. ALOHA b. CSMA/CA c. CDMA d. none of the mentioned
Last Answer : b. CSMA/CA
Description : HTTP resources are located by a. unique resource locator b. unique resource identifier c. none of the mentioned d. uniform resource identifier
Last Answer : d. uniform resource identifier
Description : .Frequency band used by 802.11 ah standard is: a. 60 GHz b. 2.4 GHz c. Sub 1 GHz d. 5 GHz
Last Answer : c. Sub 1 GHz
Description : Which layer is called a port layer in OSI model? a. Session b. Application c. Presentation d. Transport
Last Answer : a. Session
Description : Which transport layer protocols is used by DHCP? a. RSVP b. TCP c. DCCP d. UDP
Last Answer : d. UDP
Description : Which one out of these is not a data link layer technology: a. Bluetooth b. UART c. WIFI d. HTTP
Last Answer : d. HTTP
Description : ____ sensor measure heat emitted by objects. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : C. IR Sensor
Description : ____ sensor is used for automatic door controls, automatic parking system, automated sinks, automated toilet flushers, hand dryers. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Motion Sensor
Last Answer : D. Motion Sensor
Description : The measurement of humidity is A. RH B. PH C. IC D. None of aboved
Last Answer : A. RH
Description : ___ sensors include thermocouples, thermistors, resistor temperature detectors (RTDs) and integratd circuits (ICs). A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : B. Temperature Sensor
Description : ____detect the presence or absence of nearby object without any physical contact. A. Smoke Sensor B. Pressure Sensor C. IR Sensor D. Proximity Sensor
Last Answer : D. Proximity Sensor
Description : ____ is used latching, locking, triggering. A. Solenoid B. Relay C. Linear Actuator D. Servo motors
Last Answer : A. Solenoid
Description : ___ is an open source electronic platform based on easy to used hardware and software. A. Arduino B. Uno C. Raspberry Pi D. Node
Last Answer : A. Arduino
Description : Gas sensors are used to detect _____gases. A. Toxic B. Natural C. Oxygen D. Hydrogen
Last Answer : A. Toxic
Description : Image sensors are found in_______ A. Cameras B. Night-vision equipment C. Sonars D. All of above
Last Answer : D. All of above
Description : Solenoid is a specially designed ________ A. Actuator B. Machine C. Electromagnet D. none of above
Last Answer : C. Electromagnet
Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
Description : Stepper motors are_____ A. AC motors B. DC motors C. Electromagnets D. None of above
Last Answer : B. DC motors
Description : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display
Last Answer : B. Actuators
Description : ________ in IoT as one of the key characteristics, devices have different hardware platforms and networks. A. Sensors B. Heterogeneity C. Security D. Connectivity
Last Answer : B. Heterogeneity
Description : The number of devices that need to be managed and that communicate with each other will be much larger. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : D. Enormous Scale