Top 150+ Solved Embedded Real Time Operating System MCQ Questions Answer
Q. The main importance of ARM micro-processors is providing operation with ______
a. Low cost and low power consumption
b. Higher degree of multi-tasking
c. Lower error or glitches
d. Efficient memory management
Q. The address system supported by ARM systems is/are ___________
a. Little Endian
b. Big Endian
c. X-Little Endian
d. Both Little & Big Endian
Q. Which of the following is the type of SPI controller?
a. Queued SPI
b. Microwire
c. Microwire/plus
d. Quad SPI
Q. How buffers are enabled in the parallel ports?
a. by the data register
b. by data direction register
c. by individual control register
d. by data and individual control register
Q. Which peripheral port provides the FASTEST throughput to laser printers?
a. RS-232
b. SCSI
c. Parallel
d. Serial
Q. Advantages of SPI are…..
a. It\s faster than asynchronous serial.
b. The receive hardware can be a simple shift register.
c. It supports multiple slaves.
d. All of Above
Q. In a safety critical system, incorrect operation ____________
a. does not affect much
b. causes minor problems
c. causes major and serious problems
d. none of the mentioned
Q. Antilock brake systems, flight management systems, pacemakers are examples of ____________
a. a) safety critical system
b. b) hard real time system
c. c) soft real time system
d. d) safety critical system and hard real time system
Q. Some of the properties of real time systems include ____________
a. a) single purpose
b. b) inexpensively mass produced
c. c) small size
d. d) all of the mentioned
Q. The technique in which the CPU generates physical addresses directly is known as ____________
a. a) relocation register method
b. b) real addressing
c. c) virtual addressing
d. d) none of the mentioned
Q. Hard real time operating system has ______________ jitter than a soft real time operating system.
a. less
b. more
c. equal
d. none of the mentioned
Q. In rate monotonic scheduling ____________
a. a) shorter duration job has higher priority
b. b) longer duration job has higher priority
c. c) priority does not depend on the duration of the job
d. d) none of the mentioned
Q. In which scheduling certain amount of CPU time is allocated to each process?
a. a) earliest deadline first scheduling
b. b) proportional share scheduling
c. c) equal share scheduling
d. d) none of the mentioned