Question # 1
Constant is never use as a
Select correct option :
Source
Destination
Both as source and destination
None of the given
Question # 2
Bydefault CS is associated with
Select correct option :
SS
BP
CX
IP
Question # 3
BX is a register in which intermediate
arithmetic and logic results are stored .
Select correct option :
True
False
Question # 4
The process through which the segment
register can be explicitly specified is
known as
Select correct option :
Segment Addressing
Segment Override Prefix
Segment Indexing
None of the above
Question # 5
SHL and SAL are same
Select correct option :
True
False
Question # 6
which type of rotation it is " The
carry flag is inserted from the left ,
every bit moves one position to the
right, and the right most bit is dropped
in the carry flag. "
RCR
RQL
RDL
RLL
Question # 7
MOV AL ,BX is a type of ___ error .
syntax
size mismatch error
size mismatch
Question # 8
All the addressing mechanisms in
iAPX 88 return a number
called ___________ address
Effective address
Physical address
Question # 9
we can not add two base register i .e .
(bx + bp ) or cant use in an instruction
True
False
Question # 10
BX is a register in which intermediate
arithmetic and logic results are stored .
True
False
Question # 11
mov [ 1234] ,ax is an example of
Direct addressing
Base register indirect
Base + index
direct addressing
Question # 12
In JA jump is not taken after a CMP if
the unsigned destination is larger than
the unsigned source .
True
False
Question # 13
This jump is taken if the last
arithmetic operation produced a
number in its destination that has even
parity , Which jump is taken
JP
JPE
JNP
None
Question # 14
Mechanism used to drop carry for
making the calculated address valid is
known as :
Select correct option :
Carry Overload
Overflow
Address Wraparound
None of the above
Question # 15
we can not Subtracted index register
from the base register ( bx - si ) in
assembly language
Select correct option :
True
False
Question # 16
Physical address calculation depends on
Select correct option :
Base address
Effective address
Offset Address
None of the above
Question # 17
Simple CMP instruction uses _____
operation
Select correct option :
Addition
Division
Subtraction
Multiplicaion
Question # 18
SS is bydefult associated with
Select correct option :
BP
IP
SP
BP
Question # 19
When a 32 bit number is divided by a
16 bit number , the remainder is of
Select correct option :
4 bits
8 bits
16 bits
32 bits
Question # 20
Memory to Memory operation is allowed
Select correct option :
True
False