Microprocessor SPHL instruction copies the content of H-L register pair to the _________. B-C Stack Pointer D-E PSW B-C Stack Pointer D-E PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The execution of RST n instruction causes the stack pointer to increment by two None of these remain unaffected decrement by two increment by two None of these remain unaffected decrement by two ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)? T1 OP code fetch T2 OP code fetch T4 OP code fetch T3 OP code fetch T1 OP code fetch T2 OP code fetch T4 OP code fetch T3 OP code fetch ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by 1Khz. 8 Mhz. 2 Khz. 2 Mhz. 1Khz. 8 Mhz. 2 Khz. 2 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The timing difference between a slow memory and fast processor can be resolved if Processor is capable of waiting Neither A nor B Either A or B External buffer is used Processor is capable of waiting Neither A nor B Either A or B External buffer is used ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many machine cycles are required for execution of IN 30H instruction 5 6 4 3 5 6 4 3 ANSWER DOWNLOAD EXAMIANS APP
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