Module 1 Review Quiz

Question 1

Which of the following is a basic function all computers perform?

Answer 1

input, processing, output

Question 2

Which of the following executes instructions provided by computer programs?

Answer 2

CPU

Question 3

You are asked to develop a process that runs in the background and handles network communications. What type of process should you develop?

Answer 3

service

Question 4

Which of the following is a feature typically provided by an operating system? choose two

Answer 4

file system and a kernel

Question 5

A friend of yours described a program he is writing that runs on a microcontroller and will read sensors and write to devices that control industrial equipment. What type of system is his program most likely working with?

Answer 5

embedded system

Question 6

While on a coffee break, your colleague asserts that cooperative multitasking is the best operating system design. What is your response? (Choose three.)

Answer 6

1. A key disadvantage of cooperative multitasking is that it relies on each process to voluntarily relinquish control of the CPU to allow other processes to run 2. Cooperative multitasking operating systems can freeze due to a process getting stuck in an infinite loop 3.Modern operating systems use preemptive multitasking so that the operating system is fully in control

Question 7

You have been asked to recommend an operating system for a project that requires precise timing of I/O devices and deterministic response times to events. Which OS should you recommend?

Answer 7

VxWorks

Question 8

Which of the following is best to run on a client operating system?

Answer 8

web browser

Question 9

Which component of the operating system gets called when a process must be allocated memory and scheduled to run?

Answer 9

kernel

Question 10

A new application you are installing is critical to business operations and downtime is to be avoided. In addition, fast response times are necessary, so performance must be scaled when more users start using the system. What OS and server hardware feature should you consider implementing on the system on which the application is installed?

Answer 10

clustering

Question 11

Which of the following best describes the MS-DOS operating system?

Answer 11

standalone

Question 12

Which of the following are you most likely to find in firmware?

Answer 12

bootstrap

Question 13

A colleague asks you where the code for the power-on self-test is located. What do you tell her?

Answer 13

non-volatile memory

Question 14

You’re writing a program that must enable and disable interrupts. In which CPU mode must your program operate?

Answer 14

kernel mode

Question 15

Your manager has asked you to terminate a process running on a Linux server. Before you can terminate the process, what information do you need?

Answer 15

process ID (PID)

Question 16

Which of the following are ways that a process is created? (Choose two.)

Answer 16

By the bootloader and By a user

Question 17

Which of the following is performed by the BIOS? (Choose two.)

Answer 17

Runs the power-on self-test (POST).

Starts the operating system.

Question 18

Which method of I/O handling uses a round-robin technique?

Answer 18

polling

Question 19

Which type of operating system is most likely to be part of an embedded system?

Answer 19

real-time operating system (RTOS)

Question 20

Which aspect of security and protection services verifies that an account has permission to perform an action on an operating system?

Answer 20

authorization