What is the approximate size of a transistor? a room
a vacuum tube
a fingernail
billions of times smaller than a fingernail

Ajeweler designing a pin has decided to use five stones chosen from diamonds, rubies, and emeralds. in how many ways can the stones be selected?

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most?

Which option correctly describes a dbms application? a. software used to manage databases b. software used to organize files and folders c. software used to develop specialized images d. software used to create effective presentations