Tech In Action Notes

Flashcard maker : Alicia Bennett
The two major types of system software programs are utility programs and the
operating system

The ___ of the operating system enables users to communicate with the computer system
user interface

OS X is the operating system developed by

All of the following are examples of network operating systems EXCEPT

UNIX was developed by Ken Thompson and Dennis Richie, who worked at
AT and Ts Bell Labs

The latest version of the Mac OS X is

Which of the following is NOT a user interface?
Application programming interface (API)

Using hard disk space to temporarily store data or instructions from RAM is referred to as
Virtual memory

Each device attached to your computer comes with a special program called ___ enables the device and operating system to communicate with each other
device driver

Which of the following is the first step in the boot process?
The BIOS is activated by turning on the computer

Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?
Disk defragmenter

Which of the following is NOT a windows utility program?

Which utility removes redundancies in a file to reduce the file size?
File compression

You can use the Windows ___ to check on a nonresponsive program
Task manager

Mac OS X includes a backup utility called
Time machine

Storage location for a collection of files

Concentric circle on the hard drive

Pie-shaped wedge on the hard drive

Round, thin plate of mental that makes up a hard drive

Displays open and favorite applications

Time needed for correct sector to spin to the read/write head

Seek time
Time required for the read/write head to move to the correct track

There are ___ levels of cache memory

___ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished

The speed of a level of cache memory is impacted by
the chip’s proximity to the CPU

RAM is an example of ____ storage

The amount of RAM storage is measured in

In most current systems, ____ is the type of RAM used

The ____ has the largest capacity of any storage device
Mechanical hard drive

Which of the follow ports is NOT used to connect a video card?

To speed up the display of graphics, a __ is installed on some video cards

A __ enables the computer to drive the speaker system
Sound card

In Dolby Digital 7.1, the 1 indicates a ___ speaker

Running the disk defragmenter utility will _____.
Make the hard dive work more efficiently

Running the disk cleanup utility is a quick way to
clear out unnecessary files

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.

Which statement pertaining to system reliability is FALSE?
An accumulation of temporary internet files has no effect on your computer’s overall performance

To securely erase data, the U.S Department of Defense suggests that the data be overwritten ____ times.

The CPU is composed of the control unit and the ___ unit
arithmetic logic

The process the CPU performs for each program instruction is called the
machine cycle

_____ is a feature of a CPU that allows it to begin to fetch the next instruction before it has finished executing the current one.

made up of plastic or glass and transmits data at extremely fast speeds

twisted pair
made up of copper wires

coaxial cable
single copper wire surrounded by layers of plastic

each node can communicate directly with every other node on the network

central computer provides information and resources to other computers

digital music file format

portable media player

digital video file format

uses satellites to locate a device

technology that allows the sending of text, sound, images, and video clips

number of data points used to capture and image

uses radio wave to transmit data

continuous sound or light waves

text messaging

data plan
determines the cost and amount of data transfer for mobile devices

The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges

The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
digital convergence

What is iOS?
An operating system for mobile devices

The operating system of a cell phone is stored in ________

The primary input devices for smartphones are ________
microphone and touch pad

Many mobile devices include a micro ________ port

Text messaging is also called ________.
short message service (SMS)

SMS messages are limited to a maximum of ________ characters

You can send messages that include photos and videos between mobile devices using ________ technology
multimedia message service (MMS)

An Internet connectivity plan is also known as a ________ plan.

All of the following are advantages of VoIP EXCEPT _______
Excellent reliability during Internet or power outages

________ is a very well-known free VoIP provider

The global positioning system is a network of 21 ________ plus 3 working spares

A main difference between the tablet and the smartphone is the _______
screen size

Which of the following mobile devices is the lightest?

iOS and Android are _____ for tablets and smartphones.
operating systems

The Apple iPhone uses a version of Apple’s _____ as its operating system.

When using a cell phone, a(n) _______ converter chip changes your voice’s sound waves into digital signals.
Analog-to-digital and analog to digital

Google ___ is an online store delivering software for mobile devices.

Each cell in a cellular network is a geographic area centered on ______ station, which is a large communications tower.
base transceiver

Which of the following is NOT an example of a smartphone OS?

You are most likely to find a real-time operating system (RTOS)
in your automobile.

Borrowing hard drive space to optimize RAM storage is known as
virtual memory.

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.

To decide if your current system is still useful for you
check each subsystem to see how it is performing during your work day.

Which of the following is true?
The CPU contains the ALU.

RAID 0 cuts the time it takes to write a file to disk in half

SuperFetch is a memory-management technique that pulls info from your hard drive into RAM

When using 7.1 surround sound there are a total of
8 speakers

Windows creates “restore points” so that you can
return your system to the way it was before you installed new software.

SSD startup drives will reduce the amount of time to boot up

Donating your computer will not necessarily put you at risk for identity theft

Which type of Internet connection requires hardware to be installed outside your home?

Network adapters installed internally in a device are called NICs

Which of the following can be used to add additional ports to your network?

To determine what devices are connected to your router, you should
log into an account associated with your router’s IP address.

Which of the following is NOT a reason to connect your digital entertainment device to your home network?
Your stored entertainment files are more secure when connected to a home network.

Which of the following is NOT an operating system for a smartphone?

A cell phone is cellular because
it uses a network made up of cells or base transceiver stations

Which of the following is false?
Your phone can only be connected to the Internet if there is a WiFi network available

An example of an open source OS is

Each device attached to your computer needs a device driver to communicate with the OS

The first step of the boot process is the power on self test

Which of the following is NOT considered an accessibility utility?
system restore

Apps specifically designed for windows 8
run full screen

The windows app used for file management is
file explorer

If you place a document from your C; drive in the recycle bin in windows
it remains on your hard drive until you empty the recycle bin

the ___ utility is used for detecting lost files and fragments of files on your hard drive
error checking

You can terminate nonresponsive programs with Task Manager

System restore points can only be created by Windows automatically on a regular schedule

Moore’s law refers to
the number of transistors inside a CPU chip

You would not want to consider overclocking if
you want to keep the warranty on your system

The amount of time your current CPU is working is called
CPU usage

The most common type of video memory is a modern video card is

You can run multiple monitors on your system only if
you have a video card that supports more than one monitor

An audio MIDI interface box lets you connect your computer to
Guitars and microphones

Which of the following would NOT be a benefit of networking computers?
Sharing software licenses

Megabit per second is usually used to measure
both a and b

Which of the following is an example of a locally administered network?
P2P network

What do you need to get wireless internet access at home?
Wireless router

802.11ac is the current wireless Ethernet standard

Which of the following might cause interference or poor connectivity between nodes on a wireless network?
All of the above

What device would be useful to amplify a wireless signal?
Wireless range extender

Home network servers are used for file management tasks on a home network

All devices must run the same version of an operating system to connect to a home network

VOIP is a service that lets you
Place phone calls using the internet as the network

Which of the following is NOT a mobile device?
Base transceiver station

Every smartphone contains a GPS chip

A WiFi network is always faster than a 4G network

Analog signals are different than discrete signals because
Analogs waves are continuous

Which is NOT true about self-publishing?
Self-publishing means your work will have a limited reach to readers.

To play digital music files you can use
All of the above

Streaming music services allow you to
Subscribe monthly and have access to millions of songs

A digital camera’s resolution
is measured in MP

Digital video can be stored in an /mpg, file, a.mpeg file or a mp4 file

The aspect ratio of an HD television is more square than that of a standard definition TV

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