two, memory, Hard dis devices are used to enter information to com keys. 1. Input 2. A standard keyboard has 104 3. Headphones are worn over your 4. Storage devices are like the 5. A 6. A keyboard is used to type 7. A mouse has 8. A computer is an 9. There are is fixed inside the CPU. buttons. of a computer. in a computer. machine. alphabetic keys on a keyboard. 10. Numeric keys are marked from to 11. Keys with symbol such as @, #, $ on it are called 12. helps you to shift the cursor to the next line. key