Q1. Inspect the conversation between two friends: Friend 1: Hey, I had some parcels for you. Are you at home? Friend 2: Yes, I'm at home. Friend 1: Okay, I'll send you the parcels then. Friend 2: I'll receive your parcels. Friend 1: Are you ready to receive the parcels? Friend 2: Yes, I'm ready to receive the parcels. Friend 1: I'll send you 10 parcels in one shipment. Friend 2: Can you send 5 parcels though? Friend 1: Sure. I'll send you 5 parcels. Which layer of the OSI model do you think the communication is being carried out in and why?

If G= {V, T, S, P}, where V = {a, b, A, B, S},T = {a, b}, S is the start symbol, and Р3 {S — АBа, А — ВВ, В — ab, АВ — b}. Then ABa = abababa A. ABa =* abababa В. abababa =* ABa abababa = ABa

Today we learned how to build truth tables in order to understand our symbolic statements better. Build a truth table (that's right, the entire truth table) for the following statements: 1. ~ B ∨ X2. A • ~ Z 3. ~ X ⊃ ~ C 5. ~ (C ∨ (X • ~ Y)) 6. (X ⊃ ~ A) ⊃ (~ Z • B) 7. ~ (A ∨ ~ X) ∨ (C • ~ Y) 11. ~ X ∨ (Q ⊃ Z) 12. ~ Q • (A ⊃ (P • ~ B))  13. ~ (Q • ~ Z) ⊃ (~ P ⊃ C) 15. ~ P ∨ (Q ∨ P)

The following statement is given: If you will give me a smartphone, then I will give you crystal ball. From the following sentences, state the one that is the converse: a. If I will give you crystal ball, then you will not give me a smartphone. O b. If you will give me a smartphone, then I will not give you crystal ball. C. You will give me a smartphone and I will not give you crystal ball. O d. If you will not give me a smartphone, then I will not give you crystal ball. e. ○ f. If I will give you crystal ball, then you will give me a smartphone. If I will not give you crystal ball, then you will not give me a smartphone.