I’m stuck in a class where i don’t understand anything, it’s only been 3 days.. any tips for learning computer coding?

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Simon says is a memory game where "simon" outputs a sequence of 10 characters (r, g, b, y) and the user must repeat the sequence. create a for loop that compares the two strings. for each match, add one point to user_score. upon a mismatch, end the game. sample output with inputs: 'rrgbryybgy' 'rrgbbrybgy'

Which key should you press to leave the cell as it originally was? a. delete b. cancel c. backspace d. enter