CS609 Mid Term Current Paper (Dec 2010)
Q (5 marks)
Explain the usage of XON and XOFF is software based flow control
Ans (Page # 158 , lec # 17)
Q
Write a function that will read the status of COM Port and return the modem line status is a unsigned int. COM port number will be passed as parameter.
Q Write down the purpose of int 12H and int 15H/88H
Ans : int 12H : used for memory interface
int 15H/88H return = No. of kb above 1 MB
Q
Write down the detail of the Service (00,01,02) of int 17H which is used in printer.
Ans : 00 : Display characters
01 : Initialze Printer
02 : Request printer.
some questions of Another Paper.
Q (2 Marks )
write stands for
THR
RBR
DLL
DLM
Q
write stands for.
DSR
DTR
RTS
CTS
Ans (Page # 158 , lec # 17)
Q
Write a function that will read the status of COM Port and return the modem line status is a unsigned int. COM port number will be passed as parameter.
Q Write down the purpose of int 12H and int 15H/88H
Ans : int 12H : used for memory interface
int 15H/88H return = No. of kb above 1 MB
Q
Write down the detail of the Service (00,01,02) of int 17H which is used in printer.
Ans : 00 : Display characters
01 : Initialze Printer
02 : Request printer.
some questions of Another Paper.
Q (2 Marks )
write stands for
THR
RBR
DLL
DLM
Q
write stands for.
DSR
DTR
RTS
CTS
0 comments:
Post a Comment