Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . transferred to address bus. transferred to memory data register. incremented by one. transferred to memory address register . ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 5 4 20 16 5 4 20 16 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While CMP B instruction executes, only carry flag will be affected. only carry and zero flags will be affected. no flags will be affected. all flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. no flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable DMA controller from the following 8251 8279 8253 8257 8251 8279 8253 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DS directive in 8085 Forces the assembler to reserve a specified number of consecutive bytes in the memory None of these Forces the assembler to reserve a specified number of bytes in the memory Forces the assembler to reserve one byte of memory Forces the assembler to reserve a specified number of consecutive bytes in the memory None of these Forces the assembler to reserve a specified number of bytes in the memory Forces the assembler to reserve one byte of memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A single instruction to clear the lower nibble of accumulator in 8085 language assembly is ANI F0H ANI OFH XRI 0FH XRI FOH ANI F0H ANI OFH XRI 0FH XRI FOH ANSWER DOWNLOAD EXAMIANS APP
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