Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 64. 128. 16. 32. 64. 128. 16. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The multiplexing of address bus and data buses is used in never multiplexed. depends on the internal architecture. none of these. all the microprocessors. never multiplexed. depends on the internal architecture. none of these. all the microprocessors. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The five flags in 8085 are designated as Z, CY, S, D, AC Z, CY, S, P and AC Z, C, S, P, AC D, Z, S, P, AC Z, CY, S, D, AC Z, CY, S, P and AC Z, C, S, P, AC D, Z, S, P, AC ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable DMA controller from the following 8251 8279 8257 8253 8251 8279 8257 8253 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are incremented by one. transferred to memory address register . transferred to memory data register. transferred to address bus. incremented by one. transferred to memory address register . transferred to memory data register. transferred to address bus. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)? T3 OP code fetch T2 OP code fetch T1 OP code fetch T4 OP code fetch T3 OP code fetch T2 OP code fetch T1 OP code fetch T4 OP code fetch ANSWER DOWNLOAD EXAMIANS APP