Question # 1 of 10 ( Start time:
08 :08 :23 PM ) Total Marks: 1
" INT 13 - - BIOS disk services" generally
uses which register to return the 'error
flag' ?
Select correct option :
CF
DL
AH
AL
Question # 2 of 10 ( Start time:
08 :08 :50 PM ) Total Marks: 1
In the context of video services, if we
want to scroll the window up which of
the following will be the value of AH ?
Select correct option :
AH = 05 h
AH = 06 h
AH = 07 h
AH = 08 h
Question # 3 of 10 ( Start time:
08 :15 :18 PM ) Total Marks: 1
In multitasking environment , which of
the following structure is used to
maintain the ordering of active PCBs ?
Select correct option :
Array
Register
Linked List
Stack
Question # 4 of 10 ( Start time:
08 :16 :05 PM ) Total Marks: 1
As compared to _________ ,
___________ provides more cooked
services.
Select correct option :
BIOS, DOS
DOS,OS
DOS, BIOS
OS, DOS
Question # 5 of 10 ( Start time:
08 :16 :22 PM ) Total Marks: 1
We can set the current file position in
DOS using service number ____
Select correct option :
0 x 38
0 x 40
0 x 42
0 x 43
Question # 6 of 10 ( Start time:
08 :16 :54 PM ) Total Marks: 1
Which of the following registers hold
the page number for using the write
string service of INT 10 ?
Select correct option :
AH
BL
CL
BH
Question # 7 of 10 ( Start time:
08 :17 :23 PM ) Total Marks: 1
In 9 pin DB 9 connector, which pin is
assigned to RD ( Received Data) ?
Select correct option :
1
2
3
4
Question # 8 of 10 ( Start time:
08 :17 :47 PM ) Total Marks: 1
In interrupt masking , We use ________
to get control from the program
without letting the program know about
it.
Select correct option :
IRQ 0
IRQ 1
IRQ 2
IRQ 3
Question # 9 of 10 ( Start time:
08 :18 :16 PM ) Total Marks: 1
The 'program segment prefix' for com
files is of size:
Select correct option :
64 bytes
128 bytes
256 bytes
512 bytes
Question # 10 of 10 ( Start time :
08 :19 :00 PM ) Total Marks: 1
Which of the following services of INT
10 is used for writing the string?
Select correct option :
0 x 12
0 x 13
0 x 11
0 x 10
