Microprocessor The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is 20 16 8 12 20 16 8 12 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 Khz. 8 Mhz. 1Khz. 2 Mhz. 2 Khz. 8 Mhz. 1Khz. 2 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device direct memory access for microprocessor None of these direct memory access for the user direct memory access for the I/O device ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always Unidirectional Bi-directional None Either unidirectional or bi-directional Unidirectional Bi-directional None Either unidirectional or bi-directional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “0”? AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be 00000001 11111111 None 00000000 00000001 11111111 None 00000000 ANSWER DOWNLOAD EXAMIANS APP