McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) .
| 1. |
In a chip, which type/s of pad design/s is/are adopted to solve the problem of pin count? |
| A. | input pad design |
| B. | output pad design |
| C. | three state pad design |
| D. | all of the above |
| Answer» 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. |
| A. | shortest |
| B. | average |
| C. | longest |
| D. | none of the above |
| Answer» A. shortest | |
| 3. |
What is the format of IP address? |
| A. | 34 bit |
| B. | 16 bit |
| C. | 64 bit |
| D. | 32 bit |
| Answer» D. 32 bit | |
| 4. |
Many desktops and operating systems include which protocol? |
| A. | ipv6 protocol |
| B. | ipv4 protocol |
| C. | both ipv6 and ipv4 protocol |
| D. | ipv3 protocol |
| Answer» A. ipv6 protocol | |
| 5. |
What does I2C stand for? |
| A. | inter-ic |
| B. | intra-ic |
| C. | individual integrated chip |
| D. | intel ic |
| Answer» A. inter-ic | |
| 6. |
Which are the two lines used in the I2C? |
| A. | sda and spdr |
| B. | spdr and scl |
| C. | sda and scl |
| D. | scl and status line |
| Answer» C. sda and scl | |
| 7. |
A packet is also referred to as |
| A. | postcard |
| B. | telegram |
| C. | letter |
| D. | data |
| Answer» B. telegram | |
| 8. |
WLANs use high power levels and generally require a license for spectrum use. (True or False) |
| A. | true |
| B. | false |
| Answer» B. false | |
| 9. |
Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs? |
| A. | ieee 802.16 |
| B. | ieee 802.3 |
| C. | ieee 802.11 |
| D. | ieee 802.15 |
| Answer» C. ieee 802.11 | |
| 10. |
What is the nominal range of Bluetooth? |
| A. | 1 km |
| B. | 10 m |
| C. | 1 m |
| D. | 10 km |
| Answer» B. 10 m | |
| 11. |
Bluetooth operates in which band? |
| A. | ka band |
| B. | l band |
| C. | ku band |
| D. | 2.4 ghz ism band |
| Answer» D. 2.4 ghz ism band | |
| 12. |
Which one of the following offers CPUs as integrated memory or peripheral interfaces? |
| A. | microcontroller |
| B. | microprocessor |
| C. | embedded system |
| D. | memory system |
| Answer» A. microcontroller | |
| 13. |
Which of the following offers external chips for memory and peripheral interface circuits? |
| A. | microcontroller |
| B. | microprocessor |
| C. | peripheral system |
| D. | embedded system |
| Answer» B. microprocessor | |
| 14. |
Which one of the following is the successor of 8086 and 8088 processor? |
| A. | 80386 |
| B. | 80286 |
| C. | 80288 |
| D. | 80388 |
| Answer» B. 80286 | |
| 15. |
Which of the following processor possess memory management? |
| A. | 80286 |
| B. | 80386 |
| C. | 8086 |
| D. | 8088 |
| Answer» A. 80286 | |
| 16. |
Which of the following is false with respect to UDP? |
| A. | connection-oriented |
| B. | unreliable |
| C. | transport layer protocol |
| D. | low overhead |
| Answer» A. connection-oriented | |
| 17. |
Beyond IP, UDP provides additional services such as _______ |
| A. | routing and switching |
| B. | sending and receiving of packets |
| C. | multiplexing and demultiplexing |
| D. | demultiplexing and error checking |
| Answer» D. demultiplexing and error checking | |
| 18. |
What is the header size of a UDP packet? |
| A. | 8 bytes |
| B. | 8 bits |
| C. | 16 bytes |
| D. | 124 bytes |
| Answer» A. 8 bytes | |
| 19. |
In TCP, sending and receiving data is done as _______ |
| A. | stream of bytes |
| B. | sequence of characters |
| C. | lines of data |
| D. | packets |
| Answer» A. stream of bytes | |
| 20. |
Communication offered by TCP is ________ |
| A. | byte by byte |
| B. | full-duplex |
| C. | half-duplex |
| D. | semi-duplex |
| Answer» B. full-duplex | |
| 21. |
What kind of socket does an external EPROM to plugged in for prototyping? |
| A. | piggyback |
| B. | single socket |
| C. | multi-socket |
| D. | piggyback reset socket |
| Answer» A. piggyback | |
| 22. |
Which is the single device capable of providing prototyping support for a range of microcontroller? |
| A. | rom |
| B. | umbrella device |
| C. | otp |
| D. | ram |
| Answer» B. umbrella device | |
| 23. |
Which of the following can determine if two masters start to use the bus at the same time? |
| A. | counter detect |
| B. | collision detect |
| C. | combined format |
| D. | auto-incremental counter |
| Answer» B. collision detect | |
| 24. |
Which of the following provides an efficient method for transferring data from a peripheral to memory? |
| A. | dma controller |
| B. | serial port |
| C. | parallel port |
| D. | dual port |
| Answer» 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? |
| A. | xon/ xoff |
| B. | dcd & gnd |
| C. | txd & rxd |
| D. | all of the above |
| Answer» 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? |
| A. | bus slaves |
| B. | bus master |
| C. | bus drivers |
| D. | bus data carriers |
| Answer» B. bus master | |
| 27. |
______ is a technology that allows telephone calls to be made over computer networks like the Internet. |
| A. | voip |
| B. | gsm |
| C. | modem |
| D. | cdma |
| Answer» A. voip | |
| 28. |
Which development tool can facilitate the creation and modification of source programs in addition to assembly and higher -level languages? |
| A. | compiler |
| B. | linker |
| C. | assembler |
| D. | editor |
| Answer» 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? |
| A. | sophisticated embedded systems |
| B. | medium scale embedded systems |
| C. | small scale embedded systems |
| D. | all of the above |
| Answer» 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? |
| A. | simulation and validation |
| B. | iteration |
| C. | hardware-software partitioning |
| D. | scheduling |
| Answer» D. scheduling | |
| 31. |
The step where in the results stored in the temporary register is transferred into the permanent register is called as ______ |
| A. | final step |
| B. | commitment step |
| C. | last step |
| D. | inception step |
| Answer» B. commitment step | |
| 32. |
If an exception is raised and the succeeding instructions are executed completely, then the processor is said to have ______ |
| A. | exception handling |
| B. | imprecise exceptions |
| C. | error correction |
| D. | none of the mentioned |
| Answer» 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 |
| A. | cortex-m0 processor |
| B. | cortex-m3 processor |
| C. | cortex-m7 processor |
| D. | cortex-m0+ processor |
| Answer» C. cortex-m7 processor | |
| 34. |
Which scheme/ strategy is suitable to establish the communication between the access point (AP) and the infrastructure of LANs? |
| A. | non-reception of frame & necessity of retransmission |
| B. | no necessity of working in duplex mode for the host |
| C. | no necessity to prevent the signal fading |
| D. | all of the above |
| Answer» A. non-reception of frame & necessity of retransmission | |
| 35. |
Unauthorised access of information from a wireless device through a bluetooth connection is called _________ |
| A. | bluemaking |
| B. | bluestring |
| C. | bluestring |
| D. | bluesnarfing |
| Answer» 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? |
| A. | 10001 |
| B. | 12001 |
| C. | 14000 |
| D. | 12002 |
| Answer» A. 10001 | |
| 37. |
Bytes of data being transferred in each connection are numbered by TCP. These numbers start with a _________ |
| A. | fixed number |
| B. | random sequence of 0’s and 1’s |
| C. | one |
| D. | sequence of zero’s and one’s |
| Answer» 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 |
| A. | analogue value |
| B. | display values |
| C. | binary values |
| D. | time derived digital outputs |
| Answer» C. binary values | |
| 39. |
Which of the following has a quadruple buffered receiver and a double buffered transmitter? |
| A. | intel 8250 |
| B. | 16450 |
| C. | 16550 |
| D. | mc68681 |
| Answer» 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 ________ |
| A. | local procedure call |
| B. | inter process communication |
| C. | remote procedure call |
| D. | remote machine invocation |
| Answer» 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? |
| A. | system |
| B. | behaviour |
| C. | rt |
| D. | logic |
| Answer» 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 ? |
| A. | single-functioned characteristic |
| B. | tightly-constraint characteristics |
| C. | reactive & real time characteristics |
| D. | all of the above |
| Answer» 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? |
| A. | master in master-transmit mode & slave in slave-receive mode |
| B. | slave in slave-transmit mode & master in master-receive mode |
| C. | master in master-transmit mode as well as master-receive mode |
| D. | slave in slave-transmit mode as well as slave-receive mode |
| Answer» 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? |
| A. | synchronous connection-oriented (sco) link |
| B. | asynchronous connectionless link (acl) |
| C. | both a & b |
| D. | none of the above |
| Answer» B. asynchronous connectionless link (acl) | |
| 45. |
The upper 128 bytes of an internal data memory from 80H through FFH usually represent ___________. |
| A. | general-purpose registers |
| B. | special function registers |
| C. | stack pointers |
| D. | program counters |
| Answer» B. special function registers | |
| 46. |
Which standard govern parallel communications? |
| A. | RS232 |
| B. | RS-232a |
| C. | CAT 5 |
| D. | IEEE 1284 |
| Answer» D. IEEE 1284 | |
| 47. |
Which common bus specification provides the fastest data transfer rate? |
| A. | VL bus |
| B. | ISA |
| C. | PCI |
| D. | All of the above |
| Answer» C. PCI | |
| 48. |
Devices that use the ____ bus are self-configuring. |
| A. | EISA |
| B. | ISA |
| C. | MCA |
| D. | PCI |
| Answer» D. PCI | |
| 49. |
Which of following is not a valid bus in computer system ? |
| A. | Data Bus |
| B. | Memory Bus |
| C. | Address Bus |
| D. | System Bus |
| Answer» B. Memory Bus | |
| 50. |
The AT bus is also known as the ____ bus. |
| A. | 286 |
| B. | 8-bit ISA |
| C. | 16-bit ISA |
| D. | ISA |
| Answer» C. 16-bit ISA | |
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