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Chapter 1
Study online at quizlet.com/_1tzyd4
1.
All computer systems have some
sort of user interaction.
False
18.
Solid state disks are considered
volatile storage.
False
2.
A(n) ________ is the unit of work in a
system.
process
19.
Solid state disks are generally
faster than magnetic disks.
True
3.
Bluetooth and 802.11 devices use
wireless technology to
communicate over several feet, in
essence creating a ____.
small-area network
20.
A system call is triggered by
hardware.
False
21.
True
A ____ can be used to prevent a user
program from never returning
control to the operating system.
timer
There is no universally
accepted definition of an
operating system.
22.
Two important design issues for
cache memory are ____.
size and replacement
policy
A clustered system ____.
gathers together
multiple CPUs to
accomplish
computational work
23.
The two separate modes of
operating in a system are
user mode and kernel
mode
24.
UNIX does not allow users to
escalate privileges to gain extra
permissions for a restricted
activity.
False
25.
Virtually all modern operating
systems provide support for
SMP
True
26.
What are some other terms for
kernel mode?
supervisor mode | system
mode | privileged mode
27.
What statement concerning
privileged instructions is
considered false?
They cannot be attempted
from user mode.
28.
Which of the following is a
property of peer-to-peer
systems?
Clients and servers are
not distinguished from
one another.
29.
Which of the following
operating systems is not open
source?
Windows
30.
Which of the following
statements concerning open
source operating systems is
true?
Source code is freely
available.
31.
Which of the following
statements is false?
The difference in storage
capacity between a
mobile device and laptop
is shrinking.
32.
Which of the following would
lead you to believe that a given
system is an SMP-type system?
Each processor performs
all tasks within the
operating system.
4.
5.
6.
A dual-core system requires each
core has its own cache memory.
False
7.
Embedded computers typically run
on a ____ operating system.
real-time
8.
Flash memory is slower than DRAM
but needs no power to retain its
contents.
True
9.
Interrupts may be triggered by
either hardware of software
True
10.
In what way is an operating system
like a government?
It creates an
environment within
which other programs
can do useful work.
11.
A ____ is a custom build of the Linux
operating system
distribution
12.
__________ is a set of software
frameworks that provide additional
services to application developers.
Middleware
13.
The most common secondary
storage device is ____.
magnetic disk
14.
The operating system kernel
consists of all system and
application programs in a computer.
False
15.
____ operating systems are designed
primarily to maximize resource
utilization.
Mainframe
16.
Processors for most mobile devices
run at a slower speed than a
processor in a desktop PC.
True
17.
A _____ provides a file-system
interface which allows clients to
create and modify files.
file-server system