level: file size, operating system
Questions and Answers List
level questions: file size, operating system
| Question | Answer |
|---|---|
| Each ASCII character has value of ________ | 1 byte |
| What is the formula of image files | width*height* bit depth (2^x)(bit depth=x) |
| what is an operating system? | a software that manages many basic function of a computer system |
| What does operating system allow to do between software and hardware? | makes it possible to communicate with software and hardware of a computer system |
| What are some functions of operating system? (state 5) | -error handling -multitask -multiprogramming -managing human-computer interface -managing security -managing memory -managing user account |
| How does operating system work? | 1. when computer turned on, start up program located in ROM is loaded into memory 2. these programs check if hardware, processor, BIOS are functioning 3. if no errors found, operating system loaded into memory |