Microprocessor DMA is used between none memory and I/O microprocessor and I/O microprocessor and memory none memory and I/O microprocessor and I/O microprocessor and memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Devices have 8-bit address line ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The number of output pins in 8085 microprocessors are 40. 19. 21. 27. 40. 19. 21. 27. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Increases by 2^(address bits)/addressability Remains unchanged Doubles Halves Increases by 2^(address bits)/addressability Remains unchanged Doubles Halves ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8257 8279 8275 8259 8257 8279 8275 8259 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor SUB A instruction in 8085 sets zero and sign flags reset zero and parity flags reset carry and sign flags sets zero and carry flags sets zero and sign flags reset zero and parity flags reset carry and sign flags sets zero and carry flags ANSWER DOWNLOAD EXAMIANS APP
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