That is encryption. Encrypted files usually have a password assigned. In order to decrypt the file, you need to have the password.
Answer:
cell address is the exact location of a particular cell of ms-excle
Explanation:
A1 refers to first row and first column.
A2 refers to second row first column.
i.e.
in 'A1' : 'A' indicate column { A= first column, B= second
column, C= third column. and soon.....}
'1' indicate row { 1 = first row, 2 = second row, 3= third row..... soon .......}
In excel spreadsheets, Sidney
need to consider specifying relationships between the information you have
stored in your spreadsheets when creating formulas. The elements that will help
you understand using spreadsheet are the constants, operators, references and
functions. This will enable her to use the formulas, without hassle in
spreadsheets.