Hello, I'm a sophomore in high school and I'm currently being homeschooled. Anyways, my question is about computers and it's a little impossible. I'm receiving questions when I haven't even gotten the lecture yet.

So, the question is:

Computers take in data, but they won't work with raw data. Which of the following is the data format used by computers?

1. Octal Numbers,

2. Binary Numbers,

3. Hexadecimal Numbers,

4. Decimal Numbers.​

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )

Select the correct answer. sean is a computer programmer. he has programmed an application for toddlers that plays nursery rhymes. however, a logic error has occurred in the program. which problem is a likely consequence of the error? a. the program crashes every time the user wants to play the nursery rhymes. b. the program crosses its buffer boundaries and overwrites an adjacent program. c. the program plays a different nursery rhyme than the one the user intended to play. d. the program shows different structures in its programming language code. e. the program introduces new viruses every time the user plays a nursery rhyme.