CS401 Quiz No.1 Shared by Tabassum

Question # 1 of 10 ( Start time: 09:15:18 PM ) Total Marks: 1
After the execution of SAR instruction, __________.
Select correct option:
The msb is replaced by a 0
The msb retains its original value
The msb is replaced by 1
The msb is replaced by the value of CF


Question # 2 of 10 ( Start time: 09:16:53 PM ) Total Marks: 1
All the addressing mechanisms in iAPX88 return a number called _____________ address.
Select correct option:
Effective
Physical
Direct
Base


Question # 3 of 10 ( Start time: 09:17:33 PM ) Total Marks: 1
its if BL contains 00000101 then after a Single Right Shift, BL will contain
Select correct option:
00000011
00000010
10000011
10000010


Question # 4 of 10 ( Start time: 09:18:55 PM ) Total Marks: 1
The mechanism used to drop carry for making the calculated address valid is known as:
Select correct option:
Carry Overload
Overflow
Address Wraparound
Segment Overlapping


Question # 5 of 10 ( Start time: 09:20:30 PM ) Total Marks: 1
A complete _______ is called a pass over the array
Select correct option:
jump
iteration
comparison
condition


Question # 6 of 10 ( Start time: 09:21:58 PM ) Total Marks: 1
Physical address calculation depends on
Select correct option:
Base address
Effective address
Offset Address
Segment Address


Question # 7 of 10 ( Start time: 09:23:17 PM ) Total Marks: 1
In ______ operation, a carry flag is inserted from the left moving every bit one position to the right, with the right most bit is dropped in the carry flag".
Select correct option:
RCR
ROL
RCL
ROR


Question # 8 of 10 ( Start time: 09:24:15 PM ) Total Marks: 1
Data bus is ___________.
Select correct option:
Uni-directional
Bi-directional
multi-directional
None of the given


Question # 9 of 10 ( Start time: 09:24:54 PM ) Total Marks: 1
"mov [bx], ax" moves the two bytes contents of the AX register to the address contained in BX register in the current ________.
Select correct option:
Stack Segment
Data Segment
Code Segment
Extra Segment