OPERATING SYSTEM QUIZ

2)On top of the general hardware circuitry, a modern CPU also has special purpose hardware circuits that include

[ ]program counter

[ ]program status word

[ ]stack pointer

[ ]interrupt descriptor table

3)Accounts for users of an operating systems that have access to the kernel level instructions are: ________

4)The instructions that tell computer how to account for its hardware, where to fetch the operating system from, what peripherals devices are attached is called [A] (use acronym please). ________

5)When comparing the access speeds between spinning disks and memory, memory is much faster because it can be accessed [A] rather then sequentially as a spinning disk would be. _____

6)How does a modern OS mange its processes

[ ]it creates a process table

[ ]Each process has privillages

[ ]Use is prompted to run a process when there is time and memory

[ ]state of the process is kept in a process table

7)What CPU system architecture allows for instructions of multiple processes to be executed concurently

[ ]Pipeline

[ ]Interrupt

[ ]arithmetic and logic unit

[ ]stack pointer

8)The memory that resides on the same silicon dye as the processor is called

[ ]L0

[ ]L1

[ ]L2

[ ]L3

9)A processor uses instructions and data for processing. If the data is not memory resident and the CPU has to fetch the data from the disk or a non-CPU memory, this is called a ______

10)____ system call is the only way to create a new process in POSIX.

11)RAM is typically hundreds of MB's in size to several ___'s in size

12)L2 cache is typically several ____'s in size

13)Which answer is in the correct order? (from slowest to fastest)

[ ] cache, main memory, magnetic disk, registers

[ ] magnetic disk, main memory, cache, registers

[ ] registers, cache, main memory, magnetic disk

[ ] magnetic disk, main memory, cache, registers

14)L1 cache is typically 16 __ each

15)___ ___ gives the ability to run programs larger than the machine's physical memory by rapidly moving pieces back and forth between RAM and disk.

16)What can a user NOT do in normal (user-mode)?

a- Write a new clock interrupt handler

b- Alter the desktop wallpaper

c- Download an email app

d- Install a video game

17)In many operating systems, all the information about each process, other than the contents of its own address space, is stored in an operating system table called the ____ _____.

18)When a resource is time ______, different programs or users take turns using it

19)The program counter contains the memory _______ of the next instruction.

20)A slight variation of the microkernel idea is to distinguish two classes of process, the ____, each of which provides some service, and the _____ , which use these services