Microprocessor After RESET 8255 will be in mode 0; all ports are input unchanged condition mode 2 mode 0; all ports are output mode 0; all ports are input unchanged condition mode 2 mode 0; all ports are output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The address bus of any microprocessor is always Either unidirectional or bi-directional Bi-directional None Unidirectional Either unidirectional or bi-directional Bi-directional None Unidirectional 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 I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct? 1,3 &4 2,3&4 1,2 & 3 1,2 & 4 1,3 &4 2,3&4 1,2 & 3 1,2 & 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor S0 and S1 pins are used for serial communication None of these indicating the processor’s status acknowledging the interrupt serial communication None of these indicating the processor’s status acknowledging the interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor differentiates between op code, data/address at any time by its internal registers the stack pointer the program counter the sequence in which memory contents are fetched by it its internal registers the stack pointer the program counter the sequence in which memory contents are fetched by it ANSWER DOWNLOAD EXAMIANS APP
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