Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 00000100 11000100 01000000 010001000 00000100 11000100 01000000 010001000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always None Bi-directional Unidirectional Either unidirectional or bi-directional None Bi-directional Unidirectional Either unidirectional or bi-directional 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, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When the write enable input is not asserted, the gated D latch _________ its output. Complements Sets Can not change Clears Complements Sets Can not change Clears ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for the I/O device direct memory access for the user None of these direct memory access for microprocessor direct memory access for the I/O device direct memory access for the user None of these direct memory access for microprocessor ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 2 mode 0; all ports are input unchanged condition mode 0; all ports are output mode 2 mode 0; all ports are input unchanged condition mode 0; all ports are output ANSWER DOWNLOAD EXAMIANS APP
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