23. Which of the following CANNOT be used to represent positive and negative numbers? *
a. Binary coded decimal
b. Hexadecimal conversion
c. Sign and magnitude
d. Two's compliment

What key should you press and hold to select and open multiple files at one time? enter alt control esc

John recently worked on a project about various programming languages. he learned that though procedural language programs are useful, they have disadvantages too. what is a disadvantage of programs written in procedural languages? a. programs do not represent data complexity. b. programs take more time to execute. c. programs are prone to security threats. d. programs do not interface with multiple platforms.

Andy would like to create a bulleted list. how should he do this? andy should click on the bullet icon or select the bullet option from the menu and then type the list. andy should press the shift key and the 8 key at the beginning of each line of text. andy should type the text and then click on the bullet command. andy should press return and the bullets will automatically