1. Which is a true statement regarding levels of abstraction with regard to comput a) The lowest level is assembly language (b) The operating system level is above the application level (c) The logic gate or electronics level is the lowest level (d) The operating system level is at the top (e) The instruction set architecture level (machine language) is above the assen language level Which is NOT a role of an operating system: (a) Job management for multi-programming platforms (b) File management (c) Main memory management (d) Interface to 1/0 controllers (e) Translate high level language programs to assembly and machine language 2. 3. Which statement is true about information storage in a computer: (a) When we deal with information it is typically in units of whole bytes (b) Most programs process at the individual bit level (c) Information is stored in computer memory as hexadecimal digits (d) Each hexadecimal digit is represented as 16 bits (e) Computers work using either the octal or hexadecimal number system