JUNE 2013 - Paper 3

41:  

Which one of the following is not an addressing mode ?

A.

Register indirect

B.

Auto increment 

C.

Relative indexed 

D.

 Immediate operand

 
 

Option: C

Explanation :

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42:  

Computers can have instruction formats with 

A.

only two address and three address instructions

B.

only one address and two address instructions 

C.

 only one address, two address .and three :address instructions

D.

zero address, one address, two address and three address instructions .

 
 

Option: D

Explanation :

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43:  

Which i s not a typical program control instruction ?

A.

BR

B.

JMP

C.

SHL

D.

TST

 
 

Option: C

Explanation :

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44:  

Interrupt which arises from illegal or erroneous use of an instruction or data is 

A.

software interrupt  

B.

Internal  Interrupt

C.

External Interrrupt 

D.

All of the above 

 
 

Option: B

Explanation :

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45:  

The simplified function in product of sums of Boolean function F(W, X, Y, Z)= Σ(0,1,2,5,8,9,10 ) is

A.

(W '+X ') ( Y '+Z ') (X ' + Z )

B.

(W '+ X ' ) ( Y ' + Z ') ( X ' + Z ' ) 

C.

(W ' + X ') (Y ' + Z ) (X '+ Z )

D.

(W ' + X ') (Y  + Z ') (X '+ Z )

 
 

Option: A

Explanation :

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