4. What is Automatic repeat request; ARQ? Please describe the Go back N and selective ARQ scheme. 5. A (7,4) linear block code, the generated matrix G and checking matrix H are omati 10 0 0 111 111010 0 0100110 G3=

Use the Principle of Mathematical Induction to verify that 2 divides n2 + n for all positive integers n.

I want solution with step

Consider the following sequence: aj = 2, and an 2a,-1 + 1, forn> 1. What is the value of a6? (Enter your answer as a single integer.)

You are reading someone's mind by asking them to chooose a number between 1 and 63. They tell you that their chosen number lies on cards 1,2,3,5 of Fraudini's cards. What is that person's number?

In a few phrases, describe what a normalized finite number is.

How many ways are there to select 3 cards from the following deck of 50 cards such the all of them share the same letter? AO A1 A2 A3 A4 A5 A6 A7 A8 A9 BO B1 B2 B3 B4 B5 B6 B7 B8 B9 CO C1 C2 C3 C4 C5 C6 C7 C8 C9 DO D1 D2 D3 D4 D5 D6 D7 D8 D9 EO E1 E2 E3 E4 E5 E6 E7 E8 E9 O C(10, 1) × C(5, 3) Oc(5, 1) x 10 O (10, 1) x53 O C(10, 1) × P(5, 3) O C(5, 1) × P(10, 3) О С 5, 1) х О(10, 3)

What are the other three?

can you give all the sources

determine roots, constants, equation and order, just do the exercise without explanations