Bus Arbitration and Control MCQ’s

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This set of Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on “Bus Arbitration and Control”.

1. The device that deals with the bus access control functions and bus handshake activities is
a) bus allotment controller
b) bus arbiter
c) priority resolver
d) none of the mentioned

2. The clock generator delays the READY signal until the signal _________ goes low
a) DEN (active high)
b) DEN (active low)
c) AEN (active low)
d) AEN (active high)

3. Which of the following is an incorporated function to resolve interprocessor communication problems?
a) bus allotment and control
b) bus arbitration
c) priority resolving
d) all of the mentioned

4. The bus controller relinquishes the bus if
a) READY (active low)
b) LOCK (active high)
c) CBRQ (active low)
d) BPRO (active high)

5. The signal that is used to drive a priority resolving network that actually accepts the bus request inputs is
a) BREQ (active low)
b) BPRN (active low)
c) CBRQ (active low)
d) BPRO (active low)

6. The method of bus arbitration that does not contain priority resolving network in it is
a) daisy chaining
b) independent request
c) polling
d) none

7. The signals that are used by the bus arbitration in the independent request method is
a) BREQ (active low)
b) BPRN (active low)
c) CBRQ (active low)
d) All of the mentioned

8. Which of the following is the simplest and cheapest method of bus arbitration?
a) daisy chaining
b) independent request
c) polling
d) none of the mentioned

9. Which of the following is the fastest method of bus arbitration?
a) daisy chaining
b) independent request
c) polling
d) none of the mentioned

10. A set of address lines is driven by the controller in
a) daisy chaining
b) independent request
c) polling
d) none of the mentioned

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