1. (15 pts.) Consider the mod 10 multiplication table (see the table on the righ

Question

1. (15 pts.) Consider the mod 10 multiplication table (see the table on the right, below): Modulus:1 Enter a modulus value>1, and click Generate FFPFFPF 001 3486789 FEEFF EFFF FFR 2 348678901 2024680 468 FEA 46 8789 012 3 FR 678 901 2 4 5 FE FEF FFFEFEE EF FFFFFERFEFE FFEFAFEF 39012045 678 a. Which rows contain a value of 1fin increasing numerical order)____ bThese eand no eaueth uthe c. These numbers are significant for mod-10 arithmetic because only these numbers have 2· (10 pts.) [Fill out your answers a function name and a numbed directly in the text n the Number Theory, two integers, n and m, are said to be relatively prime when their (n, m) a function}= n, m) fa functiona number) m) fa function)-fa number FFFFFF FFFFFFFF -

Explanation / Answer

1.
(a) row 1, row 3, row 7, row 9.

(b) coprime

(c)

2.
GCD, 1

3.
-> The message has not been changed.
-> The message has not been read by anyone else.

4.
Worms are programs that copy themselves from system to system without the use of a host file.

Virus is a program written to alter the way a computer operates, without the permission or knowledge of the user

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