Assembly Language Quiz
Question # 1
"INT13 --BIOS disk services" generally uses which register to return the 'error flag' ?
Select correct option:
CF
DL
AH
AL
Question # 2
BPB stands for
Select correct option:
Basic Parameter Block
Bios Precise Block
Basic Precise Block
Bios Parameter Block
Question # 3
The 'program segment prefix' is used to store:
Select correct option:
DOS information
Command tail
DOS information and Command tail
None of the given options
Question # 4
In DOS, if 'file name' is more than 8-characters then which flags of 'attribute byte' are set
Select correct option:
Directory flag and Hidden flag
Directory flag and System flag
System flag and Volume label flag
Directory flag, Hidden flag, System flag and Volume label flag
Question # 5
In 9pin DB 9 connector, which pin is assigned to RD (Received Data) ?
Select correct option:
1
2
3
4
Question # 6
Hard disk MBR( Master Boot Record ) is of size
Select correct option:
446 bytes
350 bytes
512 bytes
256 bytes
Question # 7
The 'program segment prefix' for com files is of size:
Select correct option:
64 bytes
128 bytes
256 bytes
512 bytes
Question # 8
Video service is categories into 3 types of service.
Select correct option:
true
false
Question # 9
The higher 16-bits of EAX register are labeled as:
Select correct option:
AX
EAH
AH
None of the given options
Question # 10
On executing INT 0x21--service 0x3D, if file can't be opened then
Select correct option:
CF will contain 1
CF will contain 0
ZF will contain 1
ZF will contain 0
