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Assume that a 12-bit Hamming codeword consisting of 8-bit data and 4 check bits is d8d7d6d5c8d4d3d2c4d1c2c1, where the data bits and the check bits are given in the following tables: Data bits d8 d7 d6 d5 d4 d3 d2 d1 1 1 0 x 0 1 0 1   c8 c4 c2 c1 Y 0 1 0 Which one of the following choices gives the correct values of x and y?
Which statement(s) about IPv4 and IPv6 addresses are true?1. An IPv6 address is 32 bits long, represented in hexidecimal.2. An IPv6 address is 128 bits long, represented in decimal.3. An IPv4 address is 32 bits long, represented in decimal.4. An IPv6 address is 128 bits long, represented in hexidecimal.
A message consisting of 2400 bits is to be passed over the Internet. The message is passed to the transport layer which appends a 150-bit header, followed by the network layer which uses a 120-bit header. Network layer packets are transmitted via two networks, each of which uses a 26-bit header. The destination network only accepts up to 900 bits long. The number of bits, including headers delivered to the destination network, is
Which of the following codes uses a number of parity bits located at certain positions in the codeword and uses the relations between redundancy bits and the data bits?
When two 8-bit numbers A7 … A0 and B7 … B0 in 2’ s complement representation (with A0 and B0 as the least significant bits) are added using a ripple-carry adder, the sum bits obtained are S7 … S0 and the carry bits are C7 … C0. An overflow is said to have occurred if
Given below are two statements:  Statement I: Minimum number of bits required to store any 3-digit decimal number is 10.  Statement II: The data in a digital computer is stored in terms of bits/ bytes where one Peta Byte is equal to 250 bits. In the light of the above statements, choose the correct answer from the options given below:
How many bits are there for random bits and error detection bits in the case of DES block ciphers?
How many redundant bits are added in block codes for k information bits and n code bits?
Frames of 1000 bits are sent over a 106 bps duplex link between two hosts. The propagation time is 25 ms. Frames are to be transmitted into this link to maximally pack them in transit (within the link). What is the minimum number of bits (i) that will be required to represent the sequence numbers distinctly? Assume that no time gap needs to be given between the transmission of two frames. 
What is the number of error bits that occur for a given number of bits transmitted called?