Embedded and Real Time Systems MCQ Questions with Answer

Embedded and Real Time Systems MCQ Questions with Answer. Multiple Choice Questions in Embedded Systems pdf quiz.

This article provides a comprehensive set of multiple-choice questions (MCQs) with answers about topics related to embedded and real time systems.

Each question has been carefully crafted by experts in the field, ensuring that they are highly relevant and up-to-date.

Embedded and Real Time Systems MCQ

1. VLSI technology has allowed us to put a complete CPU on a single chip in___ year.
a. 1970
b. 1965
c. 1972
d. 1968
Ans: A

2. ___ is the first microprocessor
a. Intel 4004
b. Intel 8085
c. Intel 5005
d. Intel 8086
Ans: A

3. VLSI stands for ___.
a. Very Large Scale Implementation
b. Very Large Source of Income
c. Very large scale integration
d. Very Large scale interface
Ans: C

4. ___ Bit microcontroller is designed for low-cost applications.
a. 4
b. 8
c. 16
d. 12
Ans: B

5. Have how many microprocessors will be there in a High-end automobile?
a. 200
b. 80
c. 120
d. 100
Ans: D

6. In Embedded System Design Process ___ is used to create a more detailed description of what we want.
a. System integrating
b. Architecture
c. Specification
d. Requirements
Ans: C

7. ___ are typically found during system integration
a. Bugs
b. Defects
c. Insects
d. None of the above
Ans: A

8. UML stands for ___.
a. Unified Manipulation Language
b. Unified Modeling Language
c. Universal Manageable Language
d. None of the above
Ans: B

9. An object includes a set of ___ that defines its internal state.
a. Entity set
b. Relationships
c. Entities
d. Attributes
Ans: D

10. ___ describes a complex object made of smaller objects.
a. Aggregation
b. Composition
c. Association
d. None of the above
Ans: A

11. In UML events, ___ follows the model of a procedure call in a programming language.
a. Signal event
b. Data event
c. Call event
d. Time out event
Ans: C

12. ___ is used for fetching instructions from the memory.
a. Control unit
b. Execution unit
c. Memory unit
d. ALU
Ans: A

13. ASIC stands for?
a. Avionics Subsystem Interface Contractor
b. Aviation Security Identification Card
c. Application Specific Integrated Circuit
d. Application-Specific introduction code
Ans: C

14. CISC stands for?
a. Complex Instruction Set Computer
b. Central Instructional Support Center
c. Complex information set computer
d. Computer & Information Sciences Course
Ans: A

15. A computer that uses the same memory space for both data and program instructions is classified as ___.
a. Memory architecture
b. Von Neumann architecture
c. Harvard architecture
d. None of the above
Ans: B

16. Intel family, i960 microcontrollers are also called ___.
a. Embedded processors
b. Microprocessors
c. Processors handbook
d. None of the above
Ans: A

17. A ___ provides fast, discrete-time, signal-processing instructions
a. DPS
b. DSP
c. ASSP
d. GPP
Ans: B

18. A ___ takes the inputs from various channels and transfers the input from a selected channel to the system
a. Demultiplexer
b. Multiplexer
c. Message queue
d. None of the above
Ans: A

19. UART stands for
a. Universal Application Records and Transmitters
b. Universal Adjustment and Realigning Tool
c. Universal Asynchronous Receiver and Transmitter
d. None of the above
Ans: C

20. ___ Converts digital bits to the analog output
a. PWM
b. DAC
c. DEC
d. PMW
Ans: B

21. Single chip microcontroller developed by Intel in ___ year.
a. 1951
b. 1980
c. 1975
d. 1985
Ans: B

22. What is the name of the first microcontroller?
a. 8051
b. 8085
c. 8086
d. 8052
Ans: A

23. The time taken to complete any instruction is called ___.
a. Machine cycle
b. Instruction cycle
c. Both A and B
d. None of the above
Ans: C

24. The 8051 microcontroller is an ___ bit machine
a. 4
b. 8
c. 12
d. 16
Ans: B

25. The maximum size of the External Data Memory space is ___ bytes
a. 44K
b. 50K
c. 52K
d. 64K
Ans: D

26. A program that consists of 0s and 1s is called ___.
a. High-level language
b. Low-level language
c. Machine language
d. Decimal language
Ans: C

27. Assembly language is referred to as a ___ language
a. Low-level
b. High-level
c. Medium level
d. None of the above
Ans: A

28. Assembly language programs must be translated into machine code by a program called a ___.
a. Execution
b. Translator
c. Assembler
d. Decoding
Ans: C

29. High-level languages are translated into machine code by a program called a ___.
a. Interpreter
b. Programmer
c. Assembler
d. Compiler
Ans: D

30. The “asm” file is also called the ___ file.
a. Destination
b. Source
c. Record
d. Database
Ans: B

31. ___ points to the address of the next instruction to be executed.
a. Number of lines in a program
b. Next program name
c. Programs counter
d. None of the above
Ans: C

32. In 8051 microcontroller ___ directive is used to define the 8-bit data.
a. Register
b. Define byte
c. Processor
d. None of the above
Ans: B

33. The ___ directive is used to indicate the beginning of the address.
a. Origin
b. Equate
c. END directive
d. None of the above
Ans: A

34. These various ways of accessing data are called ___.
a. Data gathering
b. Address of the data
c. Addressing modes
d. Data modes
Ans: C

35. The first part of each instruction is called ___.
a. Mnemonic
b. Opcode
c. Both A & B
d. None of the above
Ans: C

36. Concurrent and independent threads of execution that can compete for CPU execution time is called ___
a. Semaphore
b. Task
c. Threading
d. None of the above
Ans: B

37. DAC0808 provides how many discrete voltage levels of output?
a. 246
b. 296
c. 256
d. 286
Ans: C

38. The 12-bit DAC provides ___ number of discrete voltage levels.
a. 8086
b. 4096
c. 5086
d. 7096
Ans: B

39. ___ IC is an analog-to-digital converter
a. ADC0804
b. ADC0808
c. ADC8080
d. ADC0408
Ans: A

40. LCD stands for ___
a. Lengthy Crystal Display
b. Light Crystal Display
c. Liquid Crystal Display
d. None of the above
Ans: C

Distributed Computing MCQ with Answers

41. ___ motor is used to translate electrical pulses into mechanical movement a. Conventional
b. electrical
c. Translate
d. Stepper
Ans: D

42. The ___ is the part of the scheduler that performs context switching and changes the flow of execution
a. Algorithm
b. Dispatcher
c. Application design
d. None of the above
Ans: B

43. Which scheduling provides each task an equal share of the CPU execution time?
a. Load balancing
b. Round robin
c. CPU
d. All of the above
Ans: B

44. Linux operating system was developed in ___ year
a. 1992
b. 1993
c. 1991
d. 1990
Ans: C

45. What is the other name of Real-Time Operating System (RTOS)?
a. One to one operating system
b. Run time operating system
c. Multitasking operating system
d. Nine of the above
Ans: C

46. TCB stands for ___.
a. Task Control Block
b. Time Count Block
c. Task Cancel Block
d. None of the above
Ans: A

47. ___ is a kernel object that one or more threads of execution can release for the purposes of synchronization.
a. Interrupt
b. Acquire
c. Semaphore
d. Mutual exclusion
Ans: C

48. ___ allows the counting semaphore to count beyond the initial count to the maximum value
a. Counting semaphore
b. Semaphore
c. Bounded count
d. Unbounded count
Ans: D

49. ___ specify the initial semaphore state and the task-waiting order
a. Binary
b. Decimal
c. Application
d. None of the above
Ans: A

50. ___ Operation indicates unblocks all tasks waiting on a semaphore.
a. Flush
b. Push
c. Stack
d. None of the above
Ans: A

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Conclusion

Embedded and real-time systems MCQ questions with answers are an effective way to improve your understanding of this topic. By studying these questions and their answers, you can increase your knowledge base, identify any weak areas, and prepare yourself for further coursework in the field.

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