Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
Options: one bit or any odd number of bits inverted in a block of data during transmission, two bits or any even number of bits inverted in a block during transmission, one bit or any odd number of bits inverted in a byte during transmission, two bits or any even number of bits inverted in a byte during transmission
Options: the lock is obtained only after the transaction has processed., the lock is obtained before the transaction has processed., the lock never needs to be obtained., transactions that are best suited are those with a lot of activity.
Options: always increases as the applied frequency increases, is equal to the sum of the values of resistance, inductive reactance and capacitive reactance, always decreases as the applied frequency increases, is maximum at the resonant frequency
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?
Options: restoring the operation whenever there is a disk failure, restoring both application and system software whenever there is disk corruption., restoring the data files whenever there is a system crash, All of the above