Operating Systems for Programmers - Module 1 - Pre-Quiz

Question 1

A message-passing model is ____.

Accepted Answer

easier to implement than a shared memory model for intercomputer communication

Answer

faster than the shared memory model

Answer

a network protocol, and does not apply to operating systems

Answer

only useful for small, simple operating systems

Question 2

_____ is not one of the major categories of system calls.

Accepted Answer

Security

Answer

Process control

Answer

Communications

Answer

Protection

Question 3

Embedded computers typically run on a ____ operating system.

Accepted Answer

real-time

Answer

Windows XP

Answer

network

Answer

clustered

Question 4

A clustered system ____.

Accepted Answer

gathers together multiple CPUs to accomplish computational work

Answer

is an operating system that provides file sharing across a network

Answer

is used when rigid time requirements are present

Answer

can only operate one application at a time

Question 5

The Windows CreateProcess() system call creates a new process. What is the equivalent system call in UNIX?

Accepted Answer

fork()

Answer

NTCreateProcess()

Answer

process()

Answer

getpid()

Question 6

A(n) ________ is the unit of work in a system.

Accepted Answer

process

Answer

operating system

Answer

timer

Answer

mode bit

Question 7

A boot block ____.

Accepted Answer

typically only knows the location and length of the rest of the bootstrap program

Answer

typically is sophisticated enough to load the operating system and begin its execution

Answer

is composed of multiple disk blocks

Answer

is composed of multiple disk cylinders

Question 8

The close() system call in UNIX is used to close a file. What is the equivalent system call in Windows?

Accepted Answer

CloseHandle()

Answer

close()

Answer

CloseFile()

Answer

Exit()

Question 9

A microkernel is a kernel ____.

Accepted Answer

that is stripped of all nonessential components

Answer

containing many components that are optimized to reduce resident memory size

Answer

that is compressed before loading in order to reduce its resident memory size

Answer

that is compiled to produce the smallest size possible when stored to disk

Question 10

A(n) ____ is a custom build of the Linux operating system.

Accepted Answer

distribution

Answer

LiveCD

Answer

installation

Answer

VMWare Player

Operating Systems for Programmers - Module 1 - Pre-Quiz

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