CS401 Quiz No.1 Shared by Rafia

Question # 1 of 10 ( Start time: 09:15:18 PM ) Total Marks: 1
In Left-Shift-Operation, the left most bit _______
Select correct option /:
will be dropped
will go into CF
will be moved to the right-most position
will always be 1


Question # 2 of 10 ( Start time: 09:16:53 PM ) Total Marks: 1
"mov [bp], al" moves the one byte contents of the AL / register to the address contained in BP register in the current ___________.
Select correct option:
Stack Segment
Data Segment
Code Segment
Extra Segment


Question # 3 of 10 ( Start time: 09:17:33 PM ) Total Marks: 1
CX register is mostly used as a
Select correct option:
counter register
flag register
base register
desination register


Question # 4 of 10 ( Start time: 09:18:55 PM ) Total Marks: 1
By default CS / is associated with
Select correct option:
SS
BP
CX
IP


Question # 5 of 10 ( Start time: 09:20:30 PM ) Total Marks: 1
Which of the following shift operation inserts a zero from the left and moves every bit one position to the right and copies the rightmost bit in the carry flag ?
Select correct option:
SHL
SAL
SAR
SHR


Question # 6 of 10 ( Start time: 09:21:58 PM ) Total Marks: 1
The _______________ operation is about shifting every bit one place to the right with a copy of the most significant bit left at the most significant place. / The bit dropped from the right is caught in the carry basket.
Select correct option:
Shift Logical Left (SHL)
Shift Logical Right (SHR)
Shift Arithmetic Right (SAR)
Shift Arithmetic Left (SAL)


Question # 7 of 10 ( Start time: 09:23:17 PM ) Total Marks: 1
In ________ every bit moves one position to the right and the bit dropped from the right is inserted at the left and also copied into the carry flag ?
Select correct option:
ROL
RCR
RCL
ROR


Question # 8 of 10 ( Start time: 09:24:15 PM ) Total Marks: 1
Which one of the following is an illegal instruction?
Select correct option /:
MOV AX,BX
MOV AX,65
MOV ax,[bx+bp]
Mov BX, 10


Question # 9 of 10 ( Start time: 09:24:54 PM ) Total Marks: 1
The shift logical left operation is the exact ________ of shift logical right.
Select correct option:
Similar
Opposite
implementation
comparison


Question # 10 of 10 ( Start time: 09:25:41 PM ) Total Marks: 1
Physical address calculation depends on
Select correct option:
Base address
Effective address
Offset Address
Segment Address