Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 16 4 5 20 16 4 5 20 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? A memory read cycle An I/O read cycle An op-code fetch cycle A memory write cycle A memory read cycle An I/O read cycle An op-code fetch cycle A memory write cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 2, 5 2, 3, 5 1, 3, 4 1, 3, 5 1, 2, 5 2, 3, 5 1, 3, 4 1, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLT opcode means end of program. load accumulator with contents of register. store result in memory. load data to accumulator. end of program. load accumulator with contents of register. store result in memory. load data to accumulator. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. Stack Pointer D-E PSW B-C Stack Pointer D-E PSW B-C ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 0; all ports are input mode 0; all ports are output mode 2 unchanged condition mode 0; all ports are input mode 0; all ports are output mode 2 unchanged condition ANSWER DOWNLOAD EXAMIANS APP
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