Test #1

Question 1

Operating System

Answer 1

Software that manages a computer system, its peripherals, and its users.

Question 2

Kernel

Answer 2

core component of an OS that directly interacts with the computer’s hardware

Question 3

Interrupt

Answer 3

mouse movement, key press, etc. that tells the computer that an input has occurred.

Question 4

Fetch/execute cycle

Answer 4

fetch instruction
update IP
execute instruction

Question 5

Multiprocessor system

Answer 5

system with multiple cpus

Question 6

Multiprogramming

Answer 6

sharing resources among programs (multiple programs that exist in the same space)

Question 7

Process

Answer 7

a computer program that has begun to execute but has not finished.

Question 8

Linker

Answer 8

program that combines multiple files generated by the compiler into a single executable

Question 9

Loader

Answer 9

part of the OS responsible for loading the executable into memory (for execution by CPU)

Question 10

Relocatable Code

Answer 10

code that can be run wherever there is free space in memory

Question 11

Process Control Block

Answer 11

stores information about a process in a computers OS (state, user, time, etc.)

Question 12

Process Scheduling

Answer 12

handles removing running process and selection of another process to run

Question 13

Context Switch

Answer 13

• save current CPU environment in PCB
• pick next process
• load CPU
• how we have 1 cpu multiprocessing

Question 14

First level interrupt handler

Answer 14

• save CPU environment
• what interrupt?
• call that interrupt handler