Microprocessor The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between T2 & T3 T1 & T2 T4 & T1 T3 & T4 T2 & T3 T1 & T2 T4 & T1 T3 & T4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A ORA A MOV A, 00H SUB A CLR A ORA A MOV A, 00H SUB A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microcomputer consists of I/O device memory All of these a microprocessor I/O device memory All of these a microprocessor 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 2 Mhz. 8 Mhz. 1Khz. 2 Khz. 2 Mhz. 8 Mhz. 1Khz. 2 Khz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Inintel 8085A microprocessor ALE signal is made high to To latch data D0-D7 from data bus To achieve all the functions listed above Enable the data bus to be used as low order address bus To disable data bus To latch data D0-D7 from data bus To achieve all the functions listed above Enable the data bus to be used as low order address bus To disable data bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is 256 65536 512 64 256 65536 512 64 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS