Digital Electronics Maximum number in decimal that can be represented by 4 bits (binary) is 4 16 15 7 4 16 15 7 ANSWER DOWNLOAD EXAMIANS APP
Digital Electronics While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. 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 8 Mhz 1 Khz 2 Mhz 2 Khz 8 Mhz 1 Khz 2 Mhz 2 Khz ANSWER DOWNLOAD EXAMIANS APP
Digital Electronics The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system. 0 V and 5 V 1 V and 5 V –1.5 V and – 0.5 V 5 V and 0 V 0 V and 5 V 1 V and 5 V –1.5 V and – 0.5 V 5 V and 0 V ANSWER DOWNLOAD EXAMIANS APP
Digital Electronics In digital systems, 1 byte is equal to ________ bit(s). 4 8 1 2 4 8 1 2 ANSWER DOWNLOAD EXAMIANS APP
Digital Electronics The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively +2n-1,-(2n-1-1) +(2n-1-1),-2n-1 +(2n-1-1),-(2n-1-1) None of these +2n-1,-(2n-1-1) +(2n-1-1),-2n-1 +(2n-1-1),-(2n-1-1) None of these ANSWER DOWNLOAD EXAMIANS APP
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