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- This is the updated code that I have: .data .globl main .textmain: # compute the next state of the LFSR for each input state li $a0, 0x00000001 jal lfsr_next_state move $t0, $v0 li $a0, 0xdeadbeef jal lfsr_next_state move $t1, $v0 li $a0, 0x200214c8 jal lfsr_next_state move $t2, $v0 li $a0, 0x00000000 jal lfsr_next_state move $t3, $v0 # print the output states move $a0, $t0 li $v0, 1 syscall move $a0, $t1 li $v0, 1 syscall move $a0, $t2 li $v0, 1 syscall move $a0, $t3 li $v0, 1 syscall # exit the program li $v0, 10 syscall # Function to compute the next state of an LFSR# Input parameter: $a0 = current state# Output: $v0 = next statelfsr_next_state: # Initialize upper mask with 0x7fff and lower mask with 0x8000 lui $t0, 0x7fff ori $t0, $t0,…Not pseudocode Suppose the economies of the world use a set of currencies C1, . . . , Cn; think of these as dollars, pounds, Bitcoin, etc. Your bank allows you to trade each currency Ci for any other currency Cj, and finds some way to charge you for this service. Suppose that for each ordered pair of currencies (Ci, Cj ), the bank charges a flat fee of fij > 0 dollars to exchange Ci for Cj (regardless of the quantity of currency being exchanged). Describe an algorithm which, given a starting currency Cs, a target currency Ct, and a list of fees fij for all i, j ∈ {1, . . . , n}, computes the cheapest way (that is, incurring the least in fees) to exchange all of our currency in Cs into currency Ct. Also, justify the its runtime. [We are expecting a description of the algorithm, as well as a brief justification of its runtime.]A. The original Caesar cypher shifts each character by one: a becomes b, z becomes a, and so on. Let's make it a bit harder, and allow the shifted value to come from the range 1..25 inclusive. Moreover, let the code preserve the letters' case (lower-case letters will remain lower-case) and all non-alphabetical characters should remain untouched. Your task is to write a program which: asks the user for one line of text to encrypt; asks the user for a shift value (an integer number from the range 1..25 - note: you should force the user to enter a valid shift value (don't give up and don't let bad data fool you!) Test your code using the data we've provided. Test data Sample input: abcxyzABCxyz 123 2 Sample output: cdezabCDEzab 123 Sample input: The die is cast 25 Sample output: Sgd chd hr bzrs
- What is the output of the following code?Assume that int is 32 bits, short is 16 bits, and the representation is two’scomplement. unsigned int x = 0xDEADBEEF;unsigned short y = 0xFFFF;signed int z =-1;if (x > (signed short) y) printf("Hello");if (x > z) printf("World"); (a) Prints nothing.(b) Prints ”Hello”(c) Prints ”World”(d) Prints ”HelloWorld”This question concerns the use of a book cypher to encode a message.Write a program called ‘bookcypher.py’ that accepts:1. The file name for a Project Gutenberg book text.2. A message that is to be encoded.3. A file name for output of the encoded version of the message.The program will create an encoded version of the message by replacing its words with the locationsof words in the book.Say, for example, the message is ‘meet me at the usual time and place’, and the Gutenberg text is‘The Importance of Being Earnest’ by Oscar Wilde.• There is an occurrence of ‘meet’ as the 5th word on the 493rd line of the book text.• There is an occurrence of ‘me’ as the 9th word on the 190th line of the text.• There is an occurrence of ‘at’ as the 6th word on the 8th line of the text.• And so on.Representing a word position as a conjunction of the line number and the index of the word withinthe line, we can encode the message as 493-5, 190-9, 8-6, etc.Sample I/O (user input in bold):Enter the book…HALP m + n = 2k + 2k = 4k therefore adding even numbers always gives an even number. The above is wrong because.... it doesn't consider the case when adding to odd numbers m and n are different so you cannot use 2k for both it doesn't consider what m and n are for particular values in the integers it doesn't consider the case when m is even and n is odd
- 4.2) (L4) Give truth values for the propositional variables that cause the two expressions to have different truth values. For example, given p ∨ q and p ⊕ q, the correct answer would be p = q = T, because when p and q are both true, p ∨ q is true but p ⊕ q is false. Note that there may be more than one correct answer. r ∧ (p ∨ q) (r ∧ p) ∨ qbitcount: Given x, set y to the number of bits in x that are 1. Write the code in Java. Provided input(s): x Permitted: 40 operations (may use !, ~, +, -, <<, >>, &, ^, |) Hint: The obvious solution would be something like ans=0; for(int i=0; i<32; i+=1) { a += x&1; x >>=1; } We don’t allow for loops, but even if you replace it with 32 copies that’s still 96 operations, and we only allow 40 for this task. The trick is to do things in parallel, treating a number like a vector of smaller numbers. Suppose I wanted to count the bits of an 8-bit number with bits abcdefgh. With a little shifting and masking I could make three numbers 0b00e00h 0a00d00g 0000c00f and add them to get xx0yy0zz where xx = a+b, yy = c+d+e, and zz = f+g+h. Extending this trick to several rounds on 32 bits will solve this problem.Interestingly some numbers can be perfectly represented in Base 10, but not in Base 2. An example is one-tenth (in Base 10, this is 0.1; in Base 2 this is a repeating decimal. Suppose we set both f and g to one-tenth using the statements below. f = 0.1; g = 0.1; Answer the following questions. For each, mark the best answer. Which will be closer to the actual value of one-tenth? f g Which can hold higher values? f g Which takes more memory? f g When using real values I should always use type double, to be safe. True False
- Summary Three employees in a company are up for a special pay increase. You are given a file, say Ch3_Ex5Data.txt, with the following data: Miller Andrew 65789.87 5 Green Sheila 75892.56 6 Sethi Amit 74900.50 6.1 Each input line consists of an employee’s last name, first name, current salary, and percent pay increase. For example, in the first input line, the last name of the employee is Miller, the first name is Andrew, the current salary is 65789.87, and the pay increase is 5%. Instructions Write a program that reads data from a file specified by the user at runtime (i.e. your program should accept the filename as user input) and stores the output in the file Ch3_Ex5Output.dat. To test your program, use the Ch3_Ex5Data.txt file. Your program will not pass all checks if it does not accept a filename as input from the user. For each employee, the data must be output in the following form: firstName lastName updatedSalary. Format the output of decimal numbers to two decimal places.…A palindrome is a word or phrase that reads the same forward and backward, ignoring blanks and considering uppercase and lowercase versions of the same letter to be equal. For example, the following are palindromes:warts n strawradarAble was I ere I saw ElbaxyzczyxWrite code that prints a random number of lines between 2 and 10 lines inclusive, where each line contains a random number of 'x' characters between 5 and 20 inclusive. For example: xxxxxxx xxxxxxxxxxxxxxxxxx xxxxxxxxxxxx xxxxxx xxxxxxxxxxx xxxxxxxxxxxxxxxx