Microprocessor Which of the following is not treated as hexadecimal constant by assembler in 8085? 6 AFH 64 H 234 45 H 6 AFH 64 H 234 45 H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor _____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts. SIM DI EI RIM SIM DI EI RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? 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 A memory read cycle An I/O read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times a subroutine is called. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Increases by 2^(address bits)/addressability Doubles Halves Remains unchanged Increases by 2^(address bits)/addressability Doubles Halves Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor differentiates between op code, data/address at any time by the program counter the stack pointer the sequence in which memory contents are fetched by it its internal registers the program counter the stack pointer the sequence in which memory contents are fetched by it its internal registers ANSWER DOWNLOAD EXAMIANS APP
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