Microprocessor In one’s complement 8 bit representation 11111111 represents -1 -0 +0 1 -1 -0 +0 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 1, 2 and 3 1, 2, 3 and 4 3 and 4 only 1 and 2 only 1, 2 and 3 1, 2, 3 and 4 3 and 4 only 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is four times the desired frequency None of these equal to the desired frequency twice the desired frequency four times the desired frequency None of these equal to the desired frequency twice the desired frequency 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 Mhz. 2 Khz. 1Khz. 8 Mhz. 2 Mhz. 2 Khz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A combinational PLD with a programmable AND array and a fixed OR array is called a PLD PLA PAL PROM PLD PLA PAL PROM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If m is a power of 2, the number of select lines required for an m-input mux is: 2*m 2^m m log2 (m) 2*m 2^m m log2 (m) ANSWER DOWNLOAD EXAMIANS APP