Describe the following addressing modes: direct, page zero, register. Describe DMA method of data transfer. Determine N for a 1ms delay in an 8085 microprocessor program.

March 23, 2026Computer Science

ScanSolve AI Answer

March 23, 2026

Answer

3, MHz = 3 \times 10^6, \text{Hz}$.

Step 1: Calculate the time duration of one T-state. The clock frequency is $f = 3\, MHz = 3 \times 10^6\, \text{Hz}$ . The time period of one T-state ( $T_{T-state}$ ) is the reciprocal of the clock frequency. $T_{T-state} = \frac{1}{f} = \frac{1}{3 \times 10^6}\, \text{s}$

Step 2: Calculate the total T-states for the delay loop. The delay loop consists of the instructions from AGAIN: to JNZ AGAIN. • ADD C: 4 T-states • DCR C: 4 T

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Calculate the time duration of one T-state. The clock frequency is f = 3\, MHz = 3 × 10^6\, Hz.

Asked on March 23, 2026Computer Science

This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.

ScanSolve AI AnswerAnswered on March 23, 2026

Step 1: Calculate the time duration of one T-state. The clock frequency is f = 3\, MHz = 3 × 10^6\, Hz. The time period of one T-state (T_T-state) is the reciprocal of the clock frequency. T_T-state = (1)/(f) = (1)/(3 × 10^6)\, s Step 2: Calculate the total T-states for the delay loop. The delay loop consists of the instructions from AGAIN: to JNZ AGAIN. • ADD C: 4 T-states • DCR C: 4 T