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How many flip-flops are there in a flag register of INTEL 8085 microprocessor?
a) 4                 
b) 5                 
c) 7                 
d) 10

b

System Bus


The data communication path over which information is transferred is called…….
a) register                    
b) cache
c) system bus              
d) none of these

c

How many distinct lines are in buses for communication?
a) 50-80 lines              
b) 50-90 lines
c) 50-100 lines
d) 50-110 lines

c

How many distinct types of system buses?
a) one  
b) two 
c) three
d) four

c

Explanation: data bus, address bus, control bus


………..are used to overcome the difference in data transfer speeds of various devices.
a) buffer register          
b) bridge circuits
c) multiple buses         
d) none of these

c