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CS401 Quiz No.2 Shared by Zainab

Question # 1 of 10 ( Start time: 03:45:00 PM )  Total Marks: 1 
The purpose of MOVS instruction is to move a memory location to register  
Select correct option: 
 True
 False (Correct)

Question # 2 of 10 ( Start time: 03:46:14 PM )  Total Marks: 1 
Loading a segment register with an immediate operand is not allowed in the 8088 architecture.  Select correct option: 
 True  (Correct)
 False 

Question # 3 of 10 ( Start time: 03:47:05 PM )  Total Marks: 1 
An element is pushed on the stack SP is decremented by ______ as the 8088 stack works on word sized elements.  
Select correct option: 
 Three 
 Two (Correct)
 Four
 Five 

Question # 4 of 10 ( Start time: 03:48:35 PM )  Total Marks: 1 
There are just ______ block processing instructions in 8088.  
Select correct option: 
 6
 5 (Correct)
 4
 3

Question # 5 of 10 ( Start time: 03:49:27 PM )  Total Marks: 1 
MUL (multiply) Instruction performs an unsigned multiplication of the source operand and the __________.  
Select correct option: 
 Accumulator (Correct)
 Carry 
 Word 
 Base

Question # 6 of 10 ( Start time: 03:50:51 PM )  Total Marks: 1 
___________ decrements SP (the stack pointer) by two and then transfers a word from the source operand to the top of stack now pointed to by SP.  
Select correct option: 
 PUSH (Correct)
 POP
 CALL
 None of the Above

Question # 7 of 10 ( Start time: 03:52:15 PM )  Total Marks: 1 
Far calls are called intra segment calls.  
Select correct option: 
 True (Correct)
 False

Question # 8 of 10 ( Start time: 03:53:23 PM )  Total Marks: 1 
LODS is generally not used in a loop and not with the REP prefix since the value previously loaded in the register is overwritten if the instruction is repeated and only the last value of the block remains in the register  
Select correct option: 
 True (Correct)
 False

Question # 9 of 10 ( Start time: 03:54:49 PM )  Total Marks: 1 
ASCII stands for______________________________.  
Select correct option: 
 American Standard Code for Information Interaction  
 American Standard Code for Information Interchange  (Correct)
 American Standard Communication for Integer Interchange
 American Scientific Communication for Integer Interaction  

Question # 10 of 10 ( Start time: 03:55:37 PM )  Total Marks: 1 
Local variables should be created when the subroutine is called and discarded afterwards.  
Select correct option: 
 True  (Correct)
 False  


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