1. In a chip, which type/s of pad design/s is/are adopted to solve the problem of pin count?
Correct : C. three state pad design
2. Maze routing is used to determine the _______path for a single wire between a set of points, if any path exists.
Correct : A. shortest
3. What is the format of IP address?
Correct : D. 32 bit
4. Many desktops and operating systems include which protocol?
Correct : A. ipv6 protocol
5. What does I2C stand for?
Correct : A. inter-ic
6. Which are the two lines used in the I2C?
Correct : C. sda and scl
7. A packet is also referred to as
Correct : B. telegram
8. WLANs use high power levels and generally require a license for spectrum use. (True or False)
Correct : B. false
9. Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs?
Correct : C. ieee 802.11
10. What is the nominal range of Bluetooth?
Correct : B. 10 m
11. Bluetooth operates in which band?
Correct : D. 2.4 ghz ism band
12. Which one of the following offers CPUs as integrated memory or peripheral interfaces?
Correct : A. microcontroller
13. Which of the following offers external chips for memory and peripheral interface circuits?
Correct : B. microprocessor
14. Which one of the following is the successor of 8086 and 8088 processor?
Correct : B. 80286
15. Which of the following processor possess memory management?
Correct : A. 80286
16. Which of the following is false with respect to UDP?
Correct : A. connection-oriented
17. Beyond IP, UDP provides additional services such as _______
Correct : D. demultiplexing and error checking
18. What is the header size of a UDP packet?
Correct : A. 8 bytes
19. In TCP, sending and receiving data is done as _______
Correct : A. stream of bytes
20. Communication offered by TCP is ________
Correct : B. full-duplex
21. What kind of socket does an external EPROM to plugged in for prototyping?
Correct : A. piggyback
22. Which is the single device capable of providing prototyping support for a range of microcontroller?
Correct : B. umbrella device
23. Which of the following can determine if two masters start to use the bus at the same time?
Correct : B. collision detect
24. Which of the following provides an efficient method for transferring data from a peripheral to memory?
Correct : A. dma controller
25. Which among the below stated lines represent the handshaking variant usually and only controlled by the software in the handshaking process?
Correct : A. xon/ xoff
26. What does an IC that initiate or enable the data transfer on bus can be regarded as, in accordance to the I2c protocol specifications?
Correct : B. bus master
27. ______ is a technology that allows telephone calls to be made over computer networks like the Internet.
Correct : A. voip
28. Which development tool can facilitate the creation and modification of source programs in addition to assembly and higher -level languages?
Correct : D. editor
29. Which types of an embedded systems involve the coding at a simple level in an embedded 'C', without any necessity of RTOS?
Correct : C. small scale embedded systems
30. While designing an embedded system, which sub-task oriented process allocates the time steps for various modules that share the similar resources?
Correct : D. scheduling
31. The step where in the results stored in the temporary register is transferred into the permanent register is called as ______
Correct : B. commitment step
32. If an exception is raised and the succeeding instructions are executed completely, then the processor is said to have ______
Correct : B. imprecise exceptions
33. For applications that demand very high data-processing requirements, or if double precision floating point calculation is needed, then best choice will be
Correct : C. cortex-m7 processor
34. Which scheme/ strategy is suitable to establish the communication between the access point (AP) and the infrastructure of LANs?
Correct : A. non-reception of frame & necessity of retransmission
35. Unauthorised access of information from a wireless device through a bluetooth connection is called _________
Correct : D. bluesnarfing
36. Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment?
Correct : A. 10001
37. Bytes of data being transferred in each connection are numbered by TCP. These numbers start with a _________
Correct : D. sequence of zero’s and one’s
38. Which of the following are external pins whose logic state can be controlled by the processor to either be a logic zero or logic one is known as
Correct : C. binary values
39. Which of the following has a quadruple buffered receiver and a double buffered transmitter?
Correct : D. mc68681
40. process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
Correct : C. remote procedure call
41. Which abstraction level undergo the compilation process by converting a sequential program into finite-state machine and register transfers while designing an embedded system?
Correct : B. behaviour
42. Which characteristics of an embedded system exhibit the responsiveness to the assortments or variations in system's environment by computing specific results for real-time applications without any kind of postponement ?
Correct : C. reactive & real time characteristics
43. Which potential mode of operation indicate the frequent sending of byte to the slave corresponding to the reception of an acknowledge signal when it becomes desirable for the master to write to the slave during data transmission in I2C bus?
Correct : A. master in master-transmit mode & slave in slave-receive mode
44. Which method of multiple secondary communication in TDMA is acquired/adopted by bluetooth especially where data integrity becomes more crucial than avoiding latency?
Correct : B. asynchronous connectionless link (acl)
45. The upper 128 bytes of an internal data memory from 80H through FFH usually represent ___________.
Correct : B. special function registers
46. Which standard govern parallel communications?
Correct : D. IEEE 1284
47. Which common bus specification provides the fastest data transfer rate?
Correct : C. PCI
48. Devices that use the ____ bus are self-configuring.
Correct : D. PCI
49. Which of following is not a valid bus in computer system ?
Correct : B. Memory Bus
50. The AT bus is also known as the ____ bus.
Correct : C. 16-bit ISA
51. The PCI follows a set of standards primarily used in _____ PC’s.
Correct : D. IBM
52. How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?
Correct : B. 8
53. The acronym HDI stands for:
The acronym HDI stands for:
Correct : C. Hard disk interface
54. Bus which used to connect the monitor to the CPU is
Correct : B. SCSI bus
55. Bus which is used to connect Macintosh keyboards and mouse is
Correct : A. USB
56. The device which starts data transfer is called __________
Correct : D. Initiator
57. The method which offers higher speeds of I/O transfers is ___________
Correct : D. DMA
58. The asynchronous BUS mode of transmission allows for a faster mode of data transfer.
Correct : B. false
59. ______ is used as an intermediate to extend the processor BUS.
Correct : A. Bridge
60. ________ is an extension of the processor BUS.
Correct : C. PCI BUS
61. The system developed by IBM with ISA architecture is ______
Correct : C. PC-AT
62. The best mode of connection between devices which need to send or receive large amounts of data over a short distance is _____
Correct : C. Parallel port
63. The device which is allowed to initiate data transfers on the BUS at any time is called _____
Correct : A. Bus Master
64. The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?
Correct : C. Interrupts
65. The PCI BUS supports _____ address space/s.
Correct : D. All of the mentioned
66. The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
Correct : C. Device drivers
67. An I/O port typically consists of four registers status, control, ________ and ________ registers.
Correct : B. data in, data out
68. The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.
Correct : A. interrupt request line
69. The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
Correct : C. interrupt handler
70. The usual BUS structure used to connect the I/O devices is ___________
Correct : C. Single BUS structure
71. The method of accessing the I/O devices by repeatedly checking the status flags is ___________
Correct : B. Program-controlled I/O
72. The classification of BUSes into synchronous and asynchronous is based on __________
Correct : C. The Timing of data transfers
73. In synchronous BUS, the devices get the timing signals from __________
Correct : B. A common clock line
74. The asynchronous BUS mode of transmission allows for a faster mode of data transfer.
Correct : B. false
75. The use of spooler programs or _______ Hardware allows PC operators to do the processing work at the same time a printing operation is in progress.
Correct : B. memory
76. What is the full form of ISA?
Correct : A. Industry Standard Architecture
77. The disadvantage of using a parallel mode of communication is ______
Correct : D. It is costly
78. The transformation between the Parallel and serial ports is done with the help of ______
Correct : C. Shift registers
79. What WLAN device provides communications management services to wireless workstations?
Correct : A. Access Point
80. RS-232, RS-449, RS-530, V-24, and X-21 are examples of?
Correct : B. standards for interfaces between terminals and modems.
81. Many cables have “RS-232” connectors with some wires crossed or connected to each other because….
Correct : D. many computers and peripherals use RS-232 serial interfaces, but not as DTE-to-DCE
82. Which protocol standard of serial communication specify the bi-directional and half-duplex form of data transmission by allowing various numbers of drivers and receivers in bus configuration?
Correct : B. RS2485
83. What is the maximum device handling capacity of serial standard protocol RS485 in terms of drivers and receivers on a single line?
Correct : D. 32
84. The main importance of ARM micro-processors is providing operation with ______
Correct : A. Low cost and low power consumption
85. The address system supported by ARM systems is/are ___________
Correct : D. Both Little & Big Endian
86. Which of the following is the type of SPI controller?
Correct : A. Queued SPI
87. How buffers are enabled in the parallel ports?
Correct : B. by data direction register
88. Which peripheral port provides the FASTEST throughput to laser printers?
Correct : C. Parallel
89. Advantages of SPI are…..
Correct : D. All of Above
90. In a safety critical system, incorrect operation ____________
Correct : C. causes major and serious problems
91. Antilock brake systems, flight management systems, pacemakers are examples of ____________
Correct : D. safety critical system and hard real time system
92. Some of the properties of real time systems include ____________
Correct : D. all of the mentioned
93. The technique in which the CPU generates physical addresses directly is known as ____________
Correct : B. real addressing
94. Hard real time operating system has ______________ jitter than a soft real time operating system.
Correct : A. less
95. In rate monotonic scheduling ____________
Correct : A. shorter duration job has higher priority
96. In which scheduling certain amount of CPU time is allocated to each process?
Correct : B. proportional share scheduling
97. Time duration required for scheduling dispatcher to stop one process and start another is known as ____________
Correct : B. dispatch latency
98. Time required to synchronous switch from the context of one thread to the context of another thread is called?
Correct : C. context switch time
99. Which one of the following is a real time operating system?