Embedded Based Microprocessor System Class: M.SC (C.S) Answer Key: 1)a, 2)b, 3)b, 4)c, 5)a, 6)d,7)a, 8)b, 9)c, 10)b 11)a, 12)b&d, 13)b, 14)a, 15)c, 16)a,17)b, 18)d, 19)c, 20)b 21)a, 22)d, 23)b, 24)c, 25)d, 26)a, 27)b, 28)d, 29)b, 30)b 31)a, 32)b, 33)a, 34)b, 35)d, 36)a,37)c, 38)d, 39)c, 40)a 41)a, 42)b, 43)d, 44)c, 45)c, 46)b,47)c, 48)a&b, 49)c, 50)d

1. Department of Computer Science.
Embedded BasedMicroprocessorSystem
Class: M.SC (C.S)
1. The software in the embedded system is ________________.
a) Fixed.
b) Modifiable.
c) Vary.
d) None of the above.
2. ISDN stands for ______________.
a) International Subscriber Drunk Network.
b) Integrated service Digital Network.
c) Integrated Subscriber Drunk Network.
d) International Subscriber Digital Network.
3. Which embedded system has to finish work in specific time?
a) Stand alone.
b) Real-time.
c) Networked information.
d) Mobile devices.
4. The software in memory chip is ____________.
a) Java
b) OS
c) Firmware
d) Mainframe
5. The firmware is stored in _____________________.
a) ROM
b) RAM
c) CPU
d) OS
6. Now the embedded systems software is _______________.
a) Assembly language.
b) C
c) C++
d) Java
7. Which device programmed only once?
a) PROM
b) EPROM

2. c) EEPROM
d) Flash.
8. The electrical signals produced ___________by sensors.
a) Digital Signals.
b) Analog Signals.
c) Voltage Signals.
d) None of the above.
9. In an embedded system, which one is optional ____________.
a) Hardware.
b) Software.
c) OS.
d) Memory.
10. XTP stands for _____________.
a) Extensible Interface protocol.
b) Execute in place.
c) Execute interface protocol.
d) None of the above.
11. The range of fixed point arithmetic numbers of embedded systems _____________.
a) -1.0 to +1.0.
b) -0.1 to +0.1.
c) Integrated.
d) Integer and fractional.
12. GNU development tools can be ________________.
a) Costly.
b) Distributed.
c) Non distributed.
d) Free of cost.
13. Which symbol is used to bit manipulation of corporation?
a) ~
b) ^
c) &
d) µ
14. Which function set the starting time to zero?
a) Assembly language.

3. b) C
c) C++
d) Java
15. Which function set the starting time to zero?
a) System time.
b) Time ().
c) Clock ().
d) None of these.
16. Device drivers are ______________.
a) Interface.
b) Chip.
c) Input systems.
d) Output systems.
17. The debugger for embedded system is ______________.
a) gcc.
b) gdb.
c) $
d) gcc- pg.
18. In embedded system the software is written in ______________.
a) C
b) C++
c) Assembly.
d) All the above.
19. In coding the identifiers support __________________.
a) 8 bit
b) 16 bit
c) 32 bit
d) 64 bit
20. The consumer appliance using the software ______________________.
a) J2EE
b) J2ME
c) J2SE
d) Java2
21. A task can be in the following states______________.
a) Running.
b) New.
c) Exit.
d) None.

4. 22. A function that can be used by more than one task without corruption is ___________.
a) Procedure.
b) Sub procedure.
c) Recursive function.
d) Re entrant function.
23. Task stack stores the local variables, function parameters ________________________.
a) Task.
b) Interrupt.
c) Functional call.
d) None.
24. Non preemtive multitasking is also known as _____________________.
a) Priority based multitasking.
b) Multi threading.
c) Co-operative multitasking.
d) Non- Co-operative multitasking.
25. Mutual exclusion can be achieved by ________________.
a) Disabling scheduler.
b) Disabling interrupt.
c) Test and set instruction.
d) All of above.
26. Pipes can be used for ________________________.
a) Inter task communication.
b) Memory management.
c) Device management.
d) File management.
27. _____________ provides solution to the problem of priority in version.
a) Task scheduling.
b) Priority inheritance.
c) Task handling.
d) Memory management.
28. Which is the Shell variable?
a) PSI
b) PATH
c) HOME
d) All the above
29. Which command is used to display no.of lines in a file?
a) WC

5. b) WC-L
c) WC-W
d) WC-C
30. To change the ownership of a file the command is ________________.
a) Chmod.
b) Chown
c) Chdir.
d) Chfile.
31. If you want to give read, write & execute permission to everyone the command is
____________.
a) Chmod 777 filename.
b) Chmod 642 filename.
c) Chmod 222 filename.
d) Chmod 721 filename.
32. The following shell variable is used to print number of arguments passed to the shell
__________.
a) S1
b) $#
c) S*
d) $$
a) a only.
33. What is the maximum data transfer rate IAS bus?
a) 8MB/sec
b) 1GB/sec
c) 13MB/sec
d) 20MB/sec
34. What is the clock frequency of PCMCIA bus?
a) 133MHZ
b) 10MHZ
c) 33MHZ
d) 8MHZ
35. Which bus is used for portable system?
a) PCI
b) Compact PCI
c) ISA
d) PCMIA
36. RS232 is used for ___________________ communication.

6. a) Serial.
b) Parallel.
c) Single way.
d) Two way.
37. What is the pin number of ground in 9-in connector?
a) 9
b) 4
c) 5
d) 7
38. USB protocol to connect up to ___________ devices.
a) 2
b) 256
c) 64
d) 127
39. Which type of power supply is used to develop embedded software?
a) 10-15V
b) 500 MA
c) Both 10-15 V, 500 MA
d) B only
40. What are the colors of button inload.halt, stop function for 8051 sim?
a) Green, blue, red.
b) Yellow, Green, blue.
c) Blue, Green, yellow.
d) Green, red, blue.
41. To faster the execution of statements embedded software is written in __________.
a) Assembly language.
b) Highlevel language.
c) C, Java.
d) There is no such language.
42. Which layer user CSMA/CD protocol is access shared medium?
a) Physical.
b) MAC
c) Transaction.
d) LLC
43. Smart cards are used in _________________.
a) Mobile phone.
b) Payment systems.
c) Financial transaction.
d) All the above.

7. 44. In Ethernet which layer specifies the protocol for logical establishment, flow control &
error control________________.
a) MAC.
b) TCP.
c) LLC.
d) IP.
45. The services that are supported by Bluetooth devices ___________.
a) Data services.
b) Voice services.
c) Both a & b.
d) None
46. Voice communications sco links are used to support _____________.
a) Packet switching.
b) Circuit switching.
c) Both a & b.
d) None.
47. Smart cards is a powerful________ device.
a) Computing.
b) Communicating.
c) a & b.
d) none.
48. The SDR transmitter can transmit modules signals with ___________.
a) Amplitude modulation.
b) Frequency modulation.
c) Both.
d) None.
49. IP phone is powerful system that uses _____________.
a) DSP.
b) GPP.
c) a & b.
d) none.
50. GPS receiver are now fitted in __________.
a) Mobiles.
b) Watches.
c) Pagers.
d) All the above.
Embedded BasedMicroprocessorSystem
Subject code: 11P3CS8 Class: M.SC (C.S)

8. Answer Key:
1)a, 2)b, 3)b, 4)c, 5)a, 6)d,7)a, 8)b, 9)c, 10)b
11)a, 12)b&d, 13)b, 14)a, 15)c, 16)a,17)b, 18)d, 19)c, 20)b
21)a, 22)d, 23)b, 24)c, 25)d, 26)a, 27)b, 28)d, 29)b, 30)b
31)a, 32)b, 33)a, 34)b, 35)d, 36)a,37)c, 38)d, 39)c, 40)a
41)a, 42)b, 43)d, 44)c, 45)c, 46)b,47)c, 48)a&b, 49)c, 50)d