Tech In Action Notes
Unlock all answers in this set
Unlock answersquestion
The two major types of system software programs are utility programs and the
answer
operating system
question
The ___ of the operating system enables users to communicate with the computer system
answer
user interface
question
OS X is the operating system developed by
answer
apple
question
All of the following are examples of network operating systems EXCEPT
answer
MS-DOS
question
UNIX was developed by Ken Thompson and Dennis Richie, who worked at
answer
AT and Ts Bell Labs
question
The latest version of the Mac OS X is
answer
Mavericks
question
Which of the following is NOT a user interface?
answer
Application programming interface (API)
question
Using hard disk space to temporarily store data or instructions from RAM is referred to as
answer
Virtual memory
question
Each device attached to your computer comes with a special program called ___ enables the device and operating system to communicate with each other
answer
device driver
question
Which of the following is the first step in the boot process?
answer
The BIOS is activated by turning on the computer
question
Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?
answer
Disk defragmenter
question
Which of the following is NOT a windows utility program?
answer
Desktop
question
Which utility removes redundancies in a file to reduce the file size?
answer
File compression
question
You can use the Windows ___ to check on a nonresponsive program
answer
Task manager
question
Mac OS X includes a backup utility called
answer
Time machine
question
Folder
answer
Storage location for a collection of files
question
Tracks
answer
Concentric circle on the hard drive
question
Sector
answer
Pie-shaped wedge on the hard drive
question
Platters
answer
Round, thin plate of mental that makes up a hard drive
question
Taskbar
answer
Displays open and favorite applications
question
Latency
answer
Time needed for correct sector to spin to the read/write head
question
Seek time
answer
Time required for the read/write head to move to the correct track
question
There are ___ levels of cache memory
answer
Three
question
___ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished
answer
Hyperthreading
question
The speed of a level of cache memory is impacted by
answer
the chip's proximity to the CPU
question
RAM is an example of ____ storage
answer
volatile
question
The amount of RAM storage is measured in
answer
GB
question
In most current systems, ____ is the type of RAM used
answer
DDR3
question
The ____ has the largest capacity of any storage device
answer
Mechanical hard drive
question
Which of the follow ports is NOT used to connect a video card?
answer
USB
question
To speed up the display of graphics, a __ is installed on some video cards
answer
GPU
question
A __ enables the computer to drive the speaker system
answer
Sound card
question
In Dolby Digital 7.1, the 1 indicates a ___ speaker
answer
subwoofer
question
Running the disk defragmenter utility will _____.
answer
Make the hard dive work more efficiently
question
Running the disk cleanup utility is a quick way to
answer
clear out unnecessary files
question
To remove all the changes made to your system, the Windows __ utility returns your computer to the state it was in when it came from the factory.
answer
Refresh
question
Which statement pertaining to system reliability is FALSE?
answer
An accumulation of temporary internet files has no effect on your computer's overall performance
question
To securely erase data, the U.S Department of Defense suggests that the data be overwritten ____ times.
answer
seven
question
The CPU is composed of the control unit and the ___ unit
answer
arithmetic logic
question
The process the CPU performs for each program instruction is called the
answer
machine cycle
question
_____ is a feature of a CPU that allows it to begin to fetch the next instruction before it has finished executing the current one.
answer
Hyperthreading
question
fiber-optic
answer
made up of plastic or glass and transmits data at extremely fast speeds
question
twisted pair
answer
made up of copper wires
question
coaxial cable
answer
single copper wire surrounded by layers of plastic
question
peer-to-peer
answer
each node can communicate directly with every other node on the network
question
client/server
answer
central computer provides information and resources to other computers
question
MP3
answer
digital music file format
question
PMP
answer
portable media player
question
MPEG-4
answer
digital video file format
question
GPS
answer
uses satellites to locate a device
question
MMS
answer
technology that allows the sending of text, sound, images, and video clips
question
resolution
answer
number of data points used to capture and image
question
Bluetooth
answer
uses radio wave to transmit data
question
analog
answer
continuous sound or light waves
question
SMS
answer
text messaging
question
data plan
answer
determines the cost and amount of data transfer for mobile devices
question
The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges
answer
Kickstarter
question
The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
answer
digital convergence
question
What is iOS?
answer
An operating system for mobile devices
question
The operating system of a cell phone is stored in ________
answer
ROM
question
The primary input devices for smartphones are ________
answer
microphone and touch pad
question
Many mobile devices include a micro ________ port
answer
USB
question
Text messaging is also called ________.
answer
short message service (SMS)
question
SMS messages are limited to a maximum of ________ characters
answer
160
question
You can send messages that include photos and videos between mobile devices using ________ technology
answer
multimedia message service (MMS)
question
An Internet connectivity plan is also known as a ________ plan.
answer
data
question
All of the following are advantages of VoIP EXCEPT _______
answer
Excellent reliability during Internet or power outages
question
________ is a very well-known free VoIP provider
answer
Skype
question
The global positioning system is a network of 21 ________ plus 3 working spares
answer
satellites
question
A main difference between the tablet and the smartphone is the _______
answer
screen size
question
Which of the following mobile devices is the lightest?
answer
Smartphone
question
iOS and Android are _____ for tablets and smartphones.
answer
operating systems
question
The Apple iPhone uses a version of Apple's _____ as its operating system.
answer
OS X
question
When using a cell phone, a(n) _______ converter chip changes your voice's sound waves into digital signals.
answer
Analog-to-digital and analog to digital
question
Google ___ is an online store delivering software for mobile devices.
answer
play
question
Each cell in a cellular network is a geographic area centered on ______ station, which is a large communications tower.
answer
base transceiver
question
Which of the following is NOT an example of a smartphone OS?
answer
Linux
question
You are most likely to find a real-time operating system (RTOS)
answer
in your automobile.
question
Borrowing hard drive space to optimize RAM storage is known as
answer
virtual memory.
question
If your computer can't store all the required OS data in RAM, it can use a temporary file on the hard drive to store data. This is known as a _________ file.
answer
swap
question
To decide if your current system is still useful for you
answer
check each subsystem to see how it is performing during your work day.
question
Which of the following is true?
answer
The CPU contains the ALU.
question
RAID 0 cuts the time it takes to write a file to disk in half
answer
True
question
SuperFetch is a memory-management technique that pulls info from your hard drive into RAM
answer
True
question
When using 7.1 surround sound there are a total of
answer
8 speakers
question
Windows creates "restore points" so that you can
answer
return your system to the way it was before you installed new software.
question
SSD startup drives will reduce the amount of time to boot up
answer
True
question
Donating your computer will not necessarily put you at risk for identity theft
answer
False
question
Which type of Internet connection requires hardware to be installed outside your home?
answer
Satellite
question
Network adapters installed internally in a device are called NICs
answer
True
question
Which of the following can be used to add additional ports to your network?
answer
Switch
question
To determine what devices are connected to your router, you should
answer
log into an account associated with your router's IP address.
question
Which of the following is NOT a reason to connect your digital entertainment device to your home network?
answer
Your stored entertainment files are more secure when connected to a home network.
question
Which of the following is NOT an operating system for a smartphone?
answer
HTC
question
A cell phone is cellular because
answer
it uses a network made up of cells or base transceiver stations
question
Which of the following is false?
answer
Your phone can only be connected to the Internet if there is a WiFi network available
question
An example of an open source OS is
answer
Linux
question
Each device attached to your computer needs a device driver to communicate with the OS
answer
True
question
The first step of the boot process is the power on self test
answer
False
question
Which of the following is NOT considered an accessibility utility?
answer
system restore
question
Apps specifically designed for windows 8
answer
run full screen
question
The windows app used for file management is
answer
file explorer
question
If you place a document from your C; drive in the recycle bin in windows
answer
it remains on your hard drive until you empty the recycle bin
question
the ___ utility is used for detecting lost files and fragments of files on your hard drive
answer
error checking
question
You can terminate nonresponsive programs with Task Manager
answer
True
question
System restore points can only be created by Windows automatically on a regular schedule
answer
False
question
Moore's law refers to
answer
the number of transistors inside a CPU chip
question
You would not want to consider overclocking if
answer
you want to keep the warranty on your system
question
The amount of time your current CPU is working is called
answer
CPU usage
question
The most common type of video memory is a modern video card is
answer
GDDR5
question
You can run multiple monitors on your system only if
answer
you have a video card that supports more than one monitor
question
An audio MIDI interface box lets you connect your computer to
answer
Guitars and microphones
question
Which of the following would NOT be a benefit of networking computers?
answer
Sharing software licenses
question
Megabit per second is usually used to measure
answer
both a and b
question
Which of the following is an example of a locally administered network?
answer
P2P network
question
What do you need to get wireless internet access at home?
answer
Wireless router
question
802.11ac is the current wireless Ethernet standard
answer
True
question
Which of the following might cause interference or poor connectivity between nodes on a wireless network?
answer
All of the above
question
What device would be useful to amplify a wireless signal?
answer
Wireless range extender
question
Home network servers are used for file management tasks on a home network
answer
true
question
All devices must run the same version of an operating system to connect to a home network
answer
false
question
VOIP is a service that lets you
answer
Place phone calls using the internet as the network
question
Which of the following is NOT a mobile device?
answer
Base transceiver station
question
Every smartphone contains a GPS chip
answer
True
question
A WiFi network is always faster than a 4G network
answer
False
question
Analog signals are different than discrete signals because
answer
Analogs waves are continuous
question
Which is NOT true about self-publishing?
answer
Self-publishing means your work will have a limited reach to readers.
question
To play digital music files you can use
answer
All of the above
question
Streaming music services allow you to
answer
Subscribe monthly and have access to millions of songs
question
A digital camera's resolution
answer
is measured in MP
question
Digital video can be stored in an /mpg, file, a.mpeg file or a mp4 file
answer
True
question
The aspect ratio of an HD television is more square than that of a standard definition TV
answer
False
