Hexadecimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. (Please explain briefly)
9. Answer the following questions (3 pts): a. How many strings of 5 hexadecimal digits do not have any repeated digits? b. How many strings of 5 hexadecimal digits have at least two repeated digits? c. What is the probability that a randomly chosen string of five hexadecimal digits has a least two repeated digit
(a) Hexadecimal numbers are numbers in base 16. They use the following sixteen digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. They are widely used in com- puting, for example, to represent colors or network addresses of computers. i. Convert A2F1316 to decimal. Show your work. ii. Convert 456710 into hexadecimal. Show your work. iii. Convert 00010101100011002 to hexadecimal. Explain how can you use the fact that 16 = 24 ?...
Given the digits 5, 4, 2, 0, 3, 7, 9, 6, 8. How many three-digit number codes can be formed if the hundreds place must be even and the ones place is at least 5? No repition
1. (a) (i) How many different six-digit natural numbers may be formed from the digits 2, 3, 4, 5, 7 and 9 if digits may not be repeated? (ii) How many of the numbers so formed are even? (iii) How many of the numbers formed are divisible by 3? (iv) How many of the numbers formed are less than 700,000? (b) JACK MURPHY’s seven character password consists of four let- ters chosen from the ten letters in his name (all...
4. In a 52 card deck there are 13 cards (2, 3, 4,5 6, 7, 8, 9,10,J Q, K A) in each of four suits (4, ◇〇4) (a) In how many different ways can you pick four cards with different suits? (b) In how many different ways can you pick four cards of the same suit? (c) In how many different ways can you pick four cards so that you have exactly three suits in your hand? (d) In how...
(A) (B) (C) 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 Using supply and demand diagram (A) above, Identify the consumer surplus, producer surplus, and total surplus when the market is in equilibrium. Using supply and demand diagram (B) above, Identify the consumer surplus, producer surplus, total surplus, and deadweight loss when the price is...
Suppose that the 64-bit string A B C D E F 9 8 7 6 5 4 3 2 1 0 is obtained after the initial permutation in DES. Compute the 32-bit strings L1 and R1 knowing that the round key K1 is 0 1 2 3 4 5 6 7 8 9 A B.
Find how many positive integers with exactly four decimal digits, that is, positive integers between 1000 and 9999 inclusive, have the following properties: (a) are divisible by 5 and by 7. (b) have distinct digits. (c) are not divisible by either 5 or 7.
fill out the following table. Decimal Binary Octal Hexadecimal 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
HTML colours are represented by 6-digit hexadecimal codes. Each digit can take on 1 of 16 values: 0, 1, 2, . . . , A, B, C, D, E, F.(a) How many different colours can be represented? (b) There are three types of pure colours: pure red (represented by xy0000); pure green (represented by 00xy00); pure blue (represented by 0000xy). How many pure colours are possible? (c) Grayscale shades are representedbycodesxyxyxy consisting ofa repeatedpair of digits. Howmany grayscale shades are possible? (d) Some...