87 Decrypt the cipher text zs VOK DOT and find the aviginal meeinge. The matoinx used to plain text encorypt the is

Q: Each character in a password is either a digit [0-9] or lowercase letter [a-z]. How many valid…

A: We need to find the total number of valid passwords with given restrictions. The solution is given…

Q: How many four-letter passwords can you form with the letters a,b,c,d,e,f,g,h,i,j?  a. 10^4 =…

A: It is an important part of statistics. It is widely used.

Q: Use the Vigen`ere cipher with key BLUE to encrypt the message SNOWFALL.

A: A =0, B =1, C =2, D = 3, E = 4, F = 5, G = 6, H = 7, I = 8, J =9, K = 10, L = 11, M = 12, N = 13, O…

Q: find the 2's complement for  binary number 1001 0101

A: To convert to Two's complement form binary numberNow we find First's complement10010101 change each…

Q: Is 1501 square modulo of 3738

A: Explanation:To determine if 1501 is a square modulo 3738, we need to find an integer x such that…

Q: Convert (3FB)16 to base octal representation. Convert a number (20)5 to decimal (base 10)

A: To convert (3FB)16 to base octal representation and convert the number (20)5 to decimal (base 10)

Q: Write each binary number first as an octal number and then as a hexadecimal number. 10111000112

A:

Q: Which of the following lines has a slope of and passes through the point ("3, "1)? B. A. D. C. O A

A:

Q: Determine the number of six-character passwords that can be formed using two letters from A to F and…

A: From A to F there are 6 letters. We can pick 2 letters from 6 letters in 6C2=15 waysIn 1 to 9 there…

Q: Determine the multiplicative inverse of 11 in Z24. Your final answer should be an element of {0, 1,…

A:

Q: An IP address can be written as a 32-bit number. For a class B network, the two most significant…

A: Given that : An IP address can be written as a 32 bit number for a class B network the two most…

Q: 5) Add the following two binary numbers together. The resulting 7-digit long binary number is a…

A: Given: 1001101 + 1010

Q: Outside a home, there is a 5-key keypad with letters A, B, C, D and, E that can be used to open the…

A: Given There are 5 keypad

Q: Use the Caesar cipher (shift of 3 places) to encrypt BRAVE

A: Since, A=0               O=14B=1               P=15C=2              Q=16D=3              R=17E=4…

Q: Convert BB8₁6 to binary. 16

A: We first convert BB816 to equivalent decimal (base 10) number and then from that, we convert to…

Q: Define the binary operator* by: a+b = a +8b and V by: aVb=6 Find the following. When simplifying,…

A: Given operators: a * b = a + 8b   .......(1)  a ∇ b = 6    .......(2)

Q: What is the inverse of 16 modulo 43 i.e. which number a has the property that 16*a has the remainder…

A: From question we have to find the inverse of 16 modulo 43. i.e  16*a mod(43)=1 It can also be…

Q: Represent the number 1080719 in sexagesimal notation.

A:

Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

A:

Q: Determine which transposition errors the check digit of a UPC code finds.

A: