Assume the following propagation delays: XOR - 12ns, AND – 8ns and OR – 10ns. What is the total propagation delay of a 4-bit carry lookahead adder? Show how you derived your answer!

Q13 what function does a security certificate perform? a. creates user accounts b. scrambles data c. identifies users d. creates password policies e. provides file access

Companies that implement and apply an information system effectively can create

These statements describe lists in presentation programs: a. bullets can be turned off and on. b. bullets cannot be turned off. c. bullet styles, colors, and sizes can be changed. d. lists don't have to use bullets or numbers. e. numbering styles, colors, and sizes can be changed. f. numbers can be turned off and on. g. numbers cannot be turned off. select all that apply