Data values do not need to be tested or validated before they are used.
Answer the following statement true (T) or false (F)
False
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There are three compiler warnings with this code. Can you spot them?
``` int main() { float a = 4.0, b = 8.0, c = 1.5; int x = 5, y = 7.5, z = 19.0; float q, r; int s, t; s = x + z/y*c; t = b/a * b*x + c; q = y * a+a * c; r = z % x+b/a; ```
All of the following are TRUE of virus protection software packages EXCEPT ________
A) virus definitions can be updated with a single click B) you can only scan the entire computer each time you do a scan C) specific removable drives can be scanned D) they have sophisticated user interfaces
In ____________________, multicasts use Class D addresses (224.0.0.0/4).
Fill in the blank(s) with the appropriate word(s).
To go beyond a LAN requires a(n) _______________?or a way that machines agree to communicate.
Fill in the blank(s) with the appropriate word(s).