Identify the programmable DMA controller from the following Options: A . &nbsp 8251 B . &nbsp 8253 C . &nbsp 8257 D . &nbsp 8279

Identify the programmable DMA controller from the following

Question

Identify the programmable DMA controller from the following

Options:

A . 8251

B . 8253

C . 8257

D . 8279

Answer: Option C

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Question 1. Using one 8259 IC is equivalent to providing …………. INTR pins on 8085....

Question 2. Pick up the programmable interrupt controller from the following....

Question 3. The maximum number of seven segment displays that can be connected to 8279 is....

Question 4. Identify the non-programmable interfacing device from the following....

Question 5. Total number of modes the 8253 can work....

Question 6. A high on RESET OUT signifies that....

Question 7. Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?....

Question 8. The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is....

Question 9. A microprocessor with a 12-bit address bus will be able to access....

Question 10. How can we make any bit of a register “0”?....

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