1. The Data Encryption Standard (DES) was developed in the 1970s by the National Bureau of Standards to provide a standard method for protecting sensitive commercial and unclassified data. Refer to DES algorithm tables, then answer the following. i. The original selected Message is "66 AO FF B1 23 98 00 28" find R1 & L1.

ii. By using the following values, find R16

R14= 10100111 10011100 10101010 00111010

R15= 01011010 10110011 10011110 10100111​

Which are not examples of chronic or persistent stress? moving

State 7 common key's for every keyboard

Formatting rows and columns is similar to cell formatting. in an openoffice calc spreadsheet, you can format data entered into rows and columns with the of the rows and columns options. you can insert rows and columns into, or delete rows and columns from, a spreadsheet. use the insert or delete rows and columns option on the insert tab. alternatively, select the row or column where you want new rows or columns to appear, right-click, and select insert only row or only column options. you can hide or show rows and columns in a spreadsheet. use the hide or show option on the format tab. for example, to hide a row, first select the row, then choose the insert tab, then select the row option, and then select hide. alternatively, you can select the row or columns, right-click, and select the hide or show option. you can adjust the height of rows and width of columns. select row and then select the height option on the format tab. similarly, select column, then select the width option on the format tab. alternatively, you can hold the mouse on the row and column divider, and drag the double arrow to the position. you can also use the autofit option on the table tab to resize rows and columns.