Construct a PDA which accepts the set of bit strings with 2/3 as many 0 bits as 1 bits. (For example, 10110 should be accepted, since there are three 1s ans two Os, and two is 2/3 of three.)
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- Construct a PDA which accepts the set of bit strings with 2/3 as many 0 bits as 1 bits. (For example, 10110 should be accepted, since there are three 1s ans two 0s, and two is 2/3 of three.)A bit string contains 1's and 0's. How many different bit strings can be constructed given the restriction(s)? Length is 20. Has exactly six 1's in the first half. Has exactly three 1's in the second half.Design a PDA to accept the set of all strings of 0's and 1's such that no prefix has more 1's than 0's
- a. Compute CBC-MAC for a message of 16 bits, “8642” (in Hexa). Assume a block size of 8 bits with an IV=F1 (in hexa). For simplicity, assume the encryption to be a simple XOR of the key with the plaintext. Let the encryption key be B4 (in Hexa).We want to send to a file of 2MB by using asynchronous serial transmission with a parity added to each byte. Find the transmission time (minutes) over a 115.200 baud line with two stop bits.Please enter all answers as strings of 0's and 1's. Consider the 64 bit DES block below. 00100000001000010001000000000000000000000000000000000000000000000010000000100001000100000000000000000000000000000000000000000000 Suppose that this is the initial input to DES. What will the block look like after the initial permutation (IP) is applied?If we apply the IP−1−1 transformation to the above, what will the result be?
- 1- True or False : Switching time should be high for faster execution. 2-What is the protocol that used to solve the priority inversion problem.Devise PDAs directly that accept: L = {w1w2 : w1, w2 ∈{0, 1}∗, length of w1 should be equal to w2, and w1 is NOT the bitwise complement of w2}.The following statements may be answered with a "true" or "false" and a short explanation of your choice is also requested When the window widths of both the sender and the receiver are 1, the alternating-bit protocol is equivalent to the SR protocol.
- A: {1,3,5,7,9}B: {1,2,4,9} If c={1,6,8,10}, express following sets with bit strings:((in the picture))Given are the following codewords for an error control coding scheme data 000 011 100 codeword 00011000 00000111 10101000 . a.What is the minimum Hamming distance? b. What is the coding rate for this scheme? c. what raw data rate would be required if we need a throughput of 6 Mpbs? d. in a different situation, the number of data bits to transfer is 5, and the minimum hamming distance is dmin=5. find the maximum coding rate for this situationTrue or false, and briefly explain your response to each of the following statements: When the window widths of the transmitter and receiver are both 1, the alternating-bit protocol and the SR protocol are the same.