These are the questions in Intro to OS and Unix. Your efforts are appreciated. Thank you very much !

// the work that you submit must be your own // cite your sources [/44] // (-4) your solution must be a plain text file (not a word document). // [-4] your solution includes your name or any other identifying information // [-4] your git repository is not private. eg) [O] Who is X gon' give it to? Ya'. q1) [2] Give an abstract, high-level description of what a computer is. 22) [5] List the elements of a Von Neumann Machine. (3) [3] Name the two types of software, and give a brief description of each. q4) [2] What are the 2 Roles/Purposes of the OS? q5) [5] What are the OS's management tasks? 96) [1] What is a process? 97) [2] Computer interaction can be thought of in layers. What differentiates the layers? 28) [1] What allows the OS to execute commands with more privileges than applications? 99) [1] How does a user application access a service provided by the OS? q10) [1] What is it called when the CPU switches protection modes (user mode to kernel mode or vice versa)? q11) [1] How does a user application pass parameters as part of a request to the OS? q12) [2] If a machine has 4 logical processors, can its operating system support more than 4 processes? Explain. 913) [1] Why was/is Unix so portable? q14) [5] Name the parts of a UNIX system. 915) [3] Describe the Unix design philosophy q16) [7] List the 4+3 types of files in UNIX, and give their symbol that represents them as from ls -1 q17) [1] On a Unix machine, where are your personal files stored? q18) [1] Give three places to look for more info about shell commands