You have just finished entering field names for your database . you need to choose the primary key or key field but none of your fields are unique. what should you do ? a. save the database without a key field b. use one of the existing fields even if it is not unique c. let the database assign a unique number in a new field d. use a spreadsheet instead

Analyze the following code. int x = 1; while (0 < x) & & (x < 100) system. out. println(x++); a. the loop runs forever. b. the code does not compile because the loop body is not in the braces. c. the code does not compile because (0 < x) & & (x < 100) is not enclosed in a pair of parentheses. d. the numbers 1 to 99 are displayed. e. the numbers 2 to 100 are displayed.

Aisha has finished working on a word processing document that contains 15 pages. she has added some special elements in the first three pages, page 9 and 10, and page 15 from the document. she wants to print only these pages to see how they look. which option is the correct way to represent (in the print dialog box) the pages that aisha wants to print?

Meenu wants to create a high quality drawing in a variety of colours. which device should she use for the same?