Chapter 2

Question 1

Hardware

Answer 1

• digital device that you can touch
  Desktop computers
  Laptop computers
  Mobile phone
  Tablets
  E- readers
  Storage device like usb drivers
  Input devices like keyboards, mouse, scanners, stylus
  Output devices like printers and speakers
• digital devices process electrical signals in 1s and O

Question 2

Binary

Answer 2

• kilo: one thousand, kilobyte
• mega: one million, mega byte= one million bytes
• giga: one billion, gigabyte= one billion bytes
• Tera: one trillion, terabyte= one trillion bytes

Question 3

Moore’s Law

Answer 3

• the number of transistors on a chip will double every two years
  OR
• the amount of computing will double every two years

Question 4

PC components

Answer 4

• circuit board: aka the motherboard that holds the CPU, memory, and storage components