Question Set

1. Assertion (A): In microprocessor 8085 DMA allows direct access to memory to speed up data transfer.Reason (R): HOLD and HLDA signals are used for DMA operations.





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->The …………………..converts digital signals to analog signals for the purpose of transmitting data over telephone lines.....
QA->Speed of a speed-boat when moving in the direction perpendicular to the direction of the current is 25 km/h, speed of the current is 5 km/h. So, the speed of the boat against the current will be:....
QA->Speed of a speed-boat when moving in the direction perpendicular to the direction of the current is 25 km/h, speed of the current is 5 km/h. So, the speed of the boat against the current will be:....
QA->Name the instrument that converts electrical signals into sound signals?....
QA->Raju Starts from A to B at a speed of 10 km/hr and returns with a speed of 15 km/hr. What is the average speed of the journey ?....
MCQ->Assertion (A): In microprocessor 8085 DMA allows direct access to memory to speed up data transfer.Reason (R): HOLD and HLDA signals are used for DMA operations.

....
MCQ->Assertion (A): Microprocessor 8085 can address 65536 memory locations.Reason (R): Microprocessor 8085 has 16 address lines.

....
MCQ->The access time of a word in 4 MB main memory is 100 ms. The access time of a word in a 32 kb data cache memory is 10 ns. The average data cache bit ratio is 0.95. The efficiency of memory access time is....
MCQ->Assertion (A): Microprocessor 8085 has facility of interrupt control.Reason (R): TRAP, RST 7.5, RST 6.5, RST 5.5 and 1NTR are interrupt signals in 8085.

....
MCQ->Assertion (A): In microprocessor 8085 instruction LXIB, 90 FF H means register B and C are loaded with upper and lower bytes to get B = 90 H and C = FFH.Reason (R): In 8085 the stack pointer indicates which memory location is to accessed.

....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution