8085 Timing MCQs

Practice 8085 Timing MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Microprocessors & Microcontrollers8085 Timing

A T-state in a microprocessor corresponds to?

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Correct Answer: A. One period of the processor clock

Explanation: A T-state is one clock period and is the basic timing unit used to describe machine cycles.

Reference: Standard microprocessors and microcontrollers: 8085 timing

Question 2

Microprocessors & Microcontrollers8085 Timing

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Correct Answer: C. 4

Explanation: A normal 8085 opcode-fetch machine cycle takes four T-states, though some instructions may involve additional internal timing.

Reference: Standard microprocessors and microcontrollers: 8085 timing

Question 3

Microprocessors & Microcontrollers8085 Timing

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Correct Answer: A. Wait states

Explanation: READY allows slower memory or I/O devices to extend a bus cycle by causing the processor to insert wait states.

Reference: Standard microprocessors and microcontrollers: 8085 timing