5.DEVICES AND COMMUNICATION BUSES FOR DEVICES NETWORK
1)Synchronization means separation by a constant____________or_________________
Ans)internal, phase difference
2)synchronous serial inpt/output are also called_________-and_______________
Ans)master input slave output,master output slave
3)__________________port is used for keyboard serial communication at 1200 asynchronous serial transmission.
Ans)RS232C
4)an internati9onal standered protocol used for a data link network is_______________
Ans)HDLC
5)the serial connect interface receiver gas a wakeup features and is programmable by_______bit
Ans)receiver wakeup unavailable
6)An encoder is a device that measures__________and______position of a rotating shaft.
Ans)angular,linear
7)Wireless devices use ___________frequencies after suitable modulation of a data bits.
Ans)infrared
8)a timing device that can be set for a preset time interval is_______________
Ans)watchdog timer
9)the timing device ones started never to a resets is called _______________
Ans)real time clock
10)maximum ________________devices can connect to a host.
Ans)127
11)RS232C port in a computer is used ___________boads asynchronous serial transmission rate with UART mode communication.(c )
a)96 b)960
c)9600 d)96000
12)a line in non return to zero state means in the ideal state the logic state is one at_________________
Ans)serial line
13)the port pins have limited driving capability when the given port is ________________
Ans)quasi bi directional
14)a high speed trans receiver logic (HSTL) is used for __________operations.
Ans)high speed
15)a serial bus used for interconnecting ICS is________________
Ans)I2C
16)QOS stands for____________
Ans)quality of service
17)LAN stands for_____________
Ans)local area network
18)IGMP stands for_____
Ans)internet group management protocol
19)what is IGMP?
ANS)It is used to manage data transmission between selected host groups.
20)what is ICMP?
ANS)It is used to provide control routing between network hosts.
6.PROGRAM MODELLING CONCEPTS
1)A function which changes is state to its next state is called ____________function.
Ans)state transition
2)A_______models the delays as well as the number of inputs and outputs.
Ans)synchronous data flow graph
3)an acrylic precedence expantion graph can be obtained by taking off initial token from an _______graph
Ans)HSDF
4)A language used for modelliong the object oriented programs is _____________
Ans)UML
5)A dark circular mark in a state diagram represents the_________________point.
Ans)starting
6)collaboration diagram visualizes the _____________the sequencews of states.
Ans)concurrent
7)A task level concurrent process as well as an ipc graph can be modeled using_____________and ______________
Ans) APEG,HSDFGS
8)UML standsnfor_________________
Ans)unified modeling language
9)_______________modelling diagram is an unpacked collection of elements that is repeatedly used.
Ans)stereo type
10)__charts allow the state machines to use sequential programs to model the state actions.
Ans)spec
11)In a CDFG model a directed arrow towards the circle represents the data__________________
Ans)data input
12)An SDFG is called ________________when there is only one token at the input and one at the output.
Ans)homogenous
13)A thread running on one processor modeled as _______can pass a control to another by blocking itself.
Ans)APEG
14)If there is a need for reusability of the defined _______________components as object then the object oriented design is done.
Ans)software
15)A process or thread is equivalent to the active object in_____________
Ans)UML
16)HSDFG stands for______________
Ans)homogeneous synchronous data flow graph
17)APEG stands for______________
Ans)acrylicic precedence expansion graph
18)IPC stands for______________
Ans)inter processor communication.
19)SIMD stands for___________________
Ans)single instruction multiple data.
20)MIMD stands for__________________
Ans)multiple instruction multiple data.
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