In a 8-bit microprocessor, the fetch cycle required to fetch a 8 byte instruction will be

1.  1  

2.  2         

3.  3

4.   depends on computer design

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4
Correct Answer :

 depends on computer design


Explanation :
No Explanation available for this question

The maximum integer which can be stored on an 8-bit accumulator is    

1.  2 

2.   200

3.   224 

4.  255

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4
Correct Answer :

255


Explanation :
No Explanation available for this question

The address bus of inlet 8085 is 16 bit wide and hence the memory which can be accessed by this address bus is

1.  112KB 

2.  4 KB 

3.  16 KB

4.   64 KB

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4
Correct Answer :

 64 KB


Explanation :
No Explanation available for this question

The register which contains the instruction to be executed is called

1.  Instruction register  

2.  Index register

3.  Memory address register

4.  Memory data register

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4
Correct Answer :

Index register


Explanation :
No Explanation available for this question

The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is called    

1.  Index register

2.  Memory address register

3.  Program counter  

4.  Instruction register

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4
Correct Answer :

Program counter

 


Explanation :
No Explanation available for this question

The register which holds address of the location to or from which data are to be transferred is known as    

1.  Instruction register

2.  Index register

3.  Memory address register

4.  Memory data register

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4
Correct Answer :

Memory address register


Explanation :
No Explanation available for this question

The register which contains the data to be written into or read out of the addressed location is known as

1.  Instruction register

2.  Index register

3.  Memory address register

4.  Memory data register

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4
Correct Answer :

Memory address register


Explanation :
No Explanation available for this question

The process of fetching and executing instructions one at a time in the order of increasing addresses is known as    

1.  Instruction execution

2.  Straight line sequencing

3.  Instruction fetching

4.  Random sequencing

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4
Correct Answer :

Straight line sequencing


Explanation :
No Explanation available for this question

What is he minimum number of operations required in a micro processor with 8 data pins to read a 32-bit word    

1.  1   

2.     2       

3.  4       

4.  8

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4
Correct Answer :

4       


Explanation :
No Explanation available for this question

The flow and timing of data to and from the microprocessor is regulated by    

1.  Control pins 

2.  address pins 

3.  data pins 

4.   power pins

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4
Correct Answer :

Control pins 


Explanation :
No Explanation available for this question
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