Microprocessor The first machine cycle of an instruction is always A fetch cycle A memory write cycle A memory read cycle An I/O read cycle A fetch cycle A memory write cycle A memory read cycle An I/O read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The multiplexing of address bus and data buses is used in all the microprocessors. none of these. never multiplexed. depends on the internal architecture. all the microprocessors. none of these. never multiplexed. depends on the internal architecture. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor ‘Burst refresh’ in DRAM is also called None of these Concentrated refresh Distributed refresh Hidden refresh None of these Concentrated refresh Distributed refresh Hidden refresh ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are irrelevant all bits set (i.e. FFH) same as the content of A7-A0 all bits reset (i.e. 00H) irrelevant all bits set (i.e. FFH) same as the content of A7-A0 all bits reset (i.e. 00H) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register? 1, 2 and 4 1, 2 and 3 1, 3 and 4 2, 3 and 4 1, 2 and 4 1, 2 and 3 1, 3 and 4 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA signal/signals in 8085 is/are READY. HOLD. All. HLDA. READY. HOLD. All. HLDA. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS