Binary numbers need more places for counting because: A. 0's and 1's can be added in front of them B. 0's and 1's have to be properly placed C. They are always big numbers D. Binary base is small E. None of the above
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- Part 3: Negative Binary Numbers This standard method of binary number representation doesn't account for negative numbers. We can't just throw a negative sign in front of a binary number though - everything in a computer must be represented by 1's and 0's. One way we can get around this is by using the very first digit of each binary number to represent the sign: 0 for positive and 1 for negative. This is called 1's complement representation. 00010110 -> 0 0010110 -> positive 22 10010110 -> 1 0010110 -> negative 22 Using 1's complement representation we can represent the numbers -127 through 127 in a single byte (note that we can only go half as high as an unsigned number because half of the possible representations for that byte are being used for the negative numbers). However, there is a flaw with 1's complement: the representation of the number 0. 00000000 -> 0 0000000 -> zero 10000000 -> 1 0000000 -> negative zero? Because of this, we…23. A perfect number is a positive integer that is equal to the sum of its positive divisorsexcept the number itself. The first two perfect numbers are 6 and 28 since 6=1+2+3and 28=1+2+4+7+14. Write a computer program that finds thefirst four perfect numbers7) The ideal gas law allows the calculation of volume of a gas given the pressure(P), amount ofthe gas (n), and the temperature (T). The equation is:V = nRT / PSince we only have used integer arithmetic, all numbers will be integer values with nodecimal points. The constant R is 8.314 and will be specified as (8314/1000). This givesthe same result. Implement the idea gas law program where the user is prompted for andenters values for n, T, and P, and V is calculated and printed out. Be careful toimplement an accurate version of this program. Your program should include a properand useful prompt for input, and print the results in a meaningful manner
- Exercise 2:Write a Java program that asks the user for three integer values and displays them sorted indescending order (use if-condition). If all numbers are the same then print it once only.• Update your code so it displays the numbers in ascending order.• Update your code to accept 3 float numbers instead of integers, will it work?Java Write a program that calculates the weight of number that should be taken from number. For ex : 123 = 6Make this code more efficient: numb = int(input("What is your favourite number? ")) name = str(input("What is your name? ")) if numb == 7 and name != ("David"): print ("correct number, wrong name! you silly bean!!!!") elif numb !=7 and name == ("David"): print ("Right name, wrong number") elif numb ==7 and name ==("David"): print ("got'em both!") elif numb != 7 and name != ("David"): print ("neither") else: print("zzzzzz")
- A positive integer is called a perfect number if it is equal to thesum of all of its positive divisors, excluding itself. For example, 6 is the first perfectnumber because 6 = 3 + 2 + 1. The next is 28 = 14 + 7 + 4 + 2 + 1. Thereare four perfect numbers < 10,000. Write a program to find all these four numbers.6: forLoops.cpp)a) Print the even numbers between 3 and 43.b) Print every third letter starting with 'B'.c) Print the numbers 1 to 20 in one column right next toanother column with the numbers 20 down to 1.d) Print every other character in the computer's characterset.Write this assignment as one program with 4 voidfunctions.A prime number is called a Mersenne prime if it can be writtenin the form 2 p - 1 for some positive integer p. Write a program that finds allMersenne primes with p≤ 31 and displays the output as follows: p 2^p – 12 33 75 31...
- hexadecimalWe usually write numbers in decimal form (or base 10),meaning numbers arecomposed using 10 different “digits” f0; 1; : : : ; 9g.Sometimes though it is useful to write numbers hexadecimal or base16. Now there are 16 distinct digits that can be used to form numbers:f0; 1; : : : ; 9;A; B; C;D; E; Fg. So for example, a 3 digit hexadecimalnumber might be 2B8.(a) How many 2-digit hexadecimals are there in which the first digitis E or F? Explain your answer in terms of the additive principle(using either events or sets).(b) Explain why your answer to the previous part is correct in termsof the multiplicative principle (using either events or sets). Whydo both the additive and multiplicative principles give you thesame answer?(c) How many 3-digit hexadecimals start with a letter (A-F) and endwith a numeral (0-9)? Explain.(d) How many 3-digit hexadecimals start with a letter (A-F) or endwith a numeral (0-9) (or both)? Explain.Q1: Write a program that reads 10 numbers and then finds the largest number and prints it and finds the smallest number and eyMake Camel Case. Create a program that reads a multi-word phrase, and prints the Camel Case equivalent. For example, for input “total account balance” the program shall output “totalAccountBalance”.Notice that the first word is in lowercase (even if it contains uppercase letters). The rest of the words, only their initials are capitalized.
