Bus Adm 230- Exam 1 (true & false questions)

Most types of notebook computers can operate solely on batteries.

Batteries in large notebook computers last longer than those in tablets

On a typical notebook computer, the monitor is on top of the system unit, and the keyboard attaches to the system unit with hinges.

Servers typically support only access by one computer at a time.

Larger corporate, government, and Internet applications may use powerful, expensive servers to support their daily operation.

The major differences between server computers and client computers are that the client typically has more power, more storage space, and expanded communications capabilities

Providers of wireless communications services may charge additional fees for sending text, picture, or video messages, depending on the service plan

Research indicates that the more text messages students send, the more easily they find formal writing.

Digital cameras often can connect to or communicate wirelessly with a computer, a printer, or the Internet.

Most e-book readers are usually smaller than smartphones

A game console is small enough to fit in one hand, making it more portable than the handheld game device.

Storage devices like external hard disks can often function as a source of input because they transfer items from storage to memory.

USB flash drives and memory cards usually hold more data than hard disks.

Most semiconductor memory keeps data and instructions permanently.

The terms world wide web and Internet can and should be used interchangeably.

The Internet is a service of the web.

A webpage is a collection of related websites

All social networking sites have a specialized audience

Data about nearly every life event is probably stored in a computer somewhere.

A password is a unique combination of characters, such as letters of the alphabet or numbers, that identifies one specific user

One effective strategy for creating strong passwords includes changing common words to symbols.

With contemporary antivirus protection it is now possible to ensure a virus or malware never will attack your computer.

You should delete or quarantine flagged attachments immediately.

Never start a computer with removable media inserted in the computer unless you are certain the media are uninfected.

The application system provides a means for users to communicate with the computer or mobile device and other software.

The term drive app is used to describe applications stored on a computer.

The term web app is an application stored on a web server.

Examples of operating systems include those that allow you to send and receive e-mail messages, prepare your taxes, organize digital photos, and play games.

You usually need to install web apps before you can run them

Wireless Internet access points enable users with computers and mobile devices to connect to the Internet wirelessly.

Wi-Fi uses short-range radio signals to enable specially enabled computers and devices to communicate with each other

Cellular radio uses the cellular network to enable high-speed Internet connections to devices with built-in compatible technology, such as smartphones.

A hot spot provides wireless Internet connections to mobile computers and devices.

In many networks, one or more computers act as a server.

You need extensive knowledge of networks to set up a home network.

In a networked environment, each computer on the network can access the hardware on the network.

With a one-way sync, also called mirroring, you add, change, or delete files in a destination location, called the target, without altering the same files in the original location.

While distance learning classes are popular, you cannot obtain a degree from them.

To promote education by computer, vendors often offer substantial student discounts on hardware and software

With online investing, the transaction fee for each trade usually is much more than when trading through a broker.

Some websites support streaming, where you access the media content while it downloads.

You cannot make copies of media, even as a personal backup, without violating copyright.

Nearly every area of health care uses computers.

Breakthroughs in surgery, medicine, and treatments seldom result from scientists' use of computers.

The capability of the computer to recognize spoken words is a direct result of scientific experimentation with cochlear implants.

A blog is an informal website consisting of time-stamped articles in a diary or journal format, usually listed in reverse chronological order.

As wikis have grown in number, size, and popularity, many educators and librarians have shunned the sites as valid sources of research.

CAM is used by a variety of industries, including oil drilling, power generating, food production, and automobile manufacturing.

Examples of mobile users include engineers, scientists, architects, desktop publishers, and graphic artists.

Enterprise users use spreadsheet, database, and accounting software.

The goal of ARPA was to build a network that allowed scientists at different physical locations to share information and work together on military and scientific projects.

The goal of Internet2 is to develop and test advanced network technologies that will benefit Internet users in the future.

Many public locations, such as airports, hotels, schools, shopping malls, and coffee shops, are hotspots that provide Wi-Fi Internet connections to users with mobile computers or devices.

Cybercafes exist in cities in the U.

S. but not elsewhere.

Fixed wireless is a broadband Internet connection.

Some home users connect computers to the Internet via slower-speed dial-up access because of its lower cost or because broadband access is not available where they live.

A megabyte is equal to approximately one billion characters.

A lower bandwidth means more data transmits.

For watching HD streaming video for an hour, the approximate data usage is 3-6 MB.

Hot spots are businesses that provide individuals and companies access to the Internet free or for a fee, usually a fixed monthly amount.

Like an IP address, the components of a domain name are separated by commas.

Every domain name contains a master domain, which identifies the type of organization associated with the domain.

A TCP server is an Internet server that usually is associated with an Internet access provider.

When you enter a domain name, the DNS server translates the domain name to its associated IP address of that data and information can be routed to the correct computer.

Most current web browsers support tabbed browsing, where the top of the browser displays a tab for each webpage you open.

A phishing filter will prevent your browsing history, passwords, user names, and other personal information from being revealed.

Several browsers are available at shareware websites.

Many browsers and websites do not require the http:// and www portions of a web address.

RSS and Atom are popular specifications used to distribute content, such as web feeds, to subscribers.

A mobile processor is a type of software for computers and mobile devices that reads a user's specified web feeds and collects their most recent content.

A disadvantage with a subject directory is that users sometimes have difficulty deciding which categories to choose as they work through the menus of links presented

One technique to improve Web searches is to use general nouns and put the less specific terms first in the search text.

The search engine operator AND is used to display hits that include only one word from a list.

In a search engine, parentheses are used to combine hits that include specific words with those that only include one word from a list.

The asterisk search engine operator allows the substitution of characters in place of the asterisk.

All social networking sites require friends to confirm a friendship.

Examples of informational websites include libraries, encyclopedias, dictionaries, directories, guides, and other types of reference.

A bookmarking site is a website that enables members to manage and share media such as photos, videos, and music.

Once you post media, you might be giving up certain rights to the media.

The difference between a wiki and other content posting sites is that users cannot modify original posts on an wiki.

An entertainment website contains content that describes a cause, opinion, or idea

To thwart attempts to steal your personal data, install a personal threat reporter, which is software that protects network resources from outside intrusions.

Most Portal websites such as MSN.com require payment for services.

An Internet connection is not necessary for participating in e-commerce.

In the evaluation of a website, the evaluation criterion of authority states that a reputable institution should support the website without bias in the information.

Some people use the term m-commerce (mobile commerce) to identify e-commerce that takes place using mobile devices.

The more compressed the graphics file, the smaller the image and the higher the quality.

Smaller file sizes result in faster downloading of webpages because small files transmit more quickly than large files.

The goal with TIFF graphics is to reach a balance between image quality and file size.

The JPEG format works best for images that have only a few colors.

JPEG is a format that expands graphics to increase their file size, which means the file takes up less storage space.

Some audio files require you to download a media player.

All mobile browsers support the use of plug-ins.

When using email, it is not important to use proper grammar, spelling, and punctuation.

To add an email name and address to a mailing list, a user unsubscribes from it.

The receiver of a message need not be willing to accept messages in order for IM to work.

Webpage developers often use FTP to upload their webpages to a web server.

VoIP is an Internet standard that permits file uploading and downloading with other computers on the Internet.

In a networked environment, no authorized computer user can access data and information stored on other computers on the network.

Users connected to a network have access to software on the network.

The main differentiation among network classifications is whether they are wired or wireless.

An extranet essentially is a small version of the Internet that exists within an organization.

A WLAN cannot communicate with a wired LAN.

A MAN usually is managed by a consortium of users or by a single network provider that sells the service to the users

On a client/server network, the client sometimes is called a host computer.

Although it can connect any number of computers, a client/server network typically provides an efficient means to connect 10 or fewer computers.

When users log off a P2P network, other users still can access their hard disks.

A star network consists of a single central cable, to which all computers and other devices connect.

Bus networks are unpopular on LANs because they are expensive and difficult to install.

The star topology is primarily used for LANs but it is also used in WANs.

Data transmitted on a ring network travels from device to device around the entire ring, in both directions.

On a ring network, if the hub fails the entire network is inoperable until the hub is repaired.

As data move through a network from one program to another, it can use at most one kind of network standard.

Depending on the transmission media used, Ethernet networks have data transfer rates that range from 10 Gbps for small office/home users to 1000 Gbps for enterprise users.

Each token ring network has several tokens.

On a token ring network, a packet is a special series of bits that function like a ticket, allowing the device with the packet to transmit data over the network.

With TCP/IP, each packet contains data as well as the recipient (destination), origin (sender), and the sequence information used to reassemble the data at the destination.

Wi-Fi networks easily can be integrated with wired Ethernet networks.

Hot spots offer mobile users the ability to connect to the Internet with their Wi-Fi enabled wireless computers and devices.

One advantage of Bluetooth is its high bandwidth.

Contactless payment is a popular use of UWB technology.

Communications software usually is bundled with the operating system or communications devices.

Consumers can purchase blank NFC tags at a reasonable cost and easily program them to perform certain actions.

With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called multiplexing.

ADSL is ideal for Internet access because most users upload more information than they download from the Internet

ISDN is more widely used now than in the past.

Data, instructions, and information travel along transmission media in either analog or digital form, depending on the transmission media.

With FTTP service, an optical terminal at your location receives the signals and transfers them to a router connected to a computer

Phone networks, the Internet, and other networks with large amounts of traffic use ATM.

ISDN and DSL are more widely used than cable

A dial-up modem connected to a sending computer converts the computer's digital signals into analog signals.

A DSL modem converts digital signals to analog signals and vice versa so that data can travel along an analog phone line.

Some smartphones can function as a wireless modem, called a mobile hot spot, when tethered to a personal computer.

Some mobile users have a wireless modem that uses a mobile phone provider's network to connect to the Internet wirelessly from a computer or other mobile device.

Wireless access points have high-quality antennas for optimal signals

Only small networks use routers.

IP hijacking is one of the largest Internet security threats.

One of the more widely used transmission media for network cabling and landline phone systems is twisted-pair cable.

Most of today's computer networks use coaxial cable.

In a fiber-optic cable, each strand, called an optical fiber, is as thin as a human hair.

Fiber-optic cables have the capability of carrying significantly more signals than wire cables.

Wireless transmission media are used when it is impossible to install cables.

Infrared (IR) is a wireless transmission medium that sends signals using infrared light waves.

For radio transmissions, a transmitter is needed to send the broadcast radio signal and a receiver to accept it

The fifth generation of cellular transmissions is expected to provide artificial intelligence capabilities on wearable devices

Transmission from a satellite to an earth-based station is called an uplink

A GPS receiver is a handheld, mountable, or embedded device that contains an antenna, a radio receiver, and a processor.