CGS

Select the Amazon tablets.

- Fire HD - Fire Kids

Blu-rays provide approximately ________ of storage space.

50 GB

CDs provide approximately ________ of data storage space.

700 MB

Select the advantages of using a database instead of a traditional filing system.

A database can hold larger amounts of data. A database can provide better data integrity.

Select what's true about database fields.

A group of related characters in a database Represents a characteristic of someone or something Primary key is a field designation

Which of these operating systems is based on Linux and used on smartphones?

Android

Which optical drive media stores approximately 700 MBs of data?

CD

The DBMS subsystem that allows for data recovery, support, and maintaining and securing the database is called the ________ subsystem.

Data Administration

What element of a database field specifies the data in a field such as text, numeric, or date/time?

Data Type

Select two characteristics of solid state drive storage devices.

Durable, no moving mechanical parts Uses electronic circuits to store data

Which of these devices are manufactured by Samsung?

Galaxy and Note

Select three characteristics of a traditional hard drive.

Has a read/write head to detect magnetic charges Has physically spinning platters Uses magnetic charges to store data

The two most common audio file formats are WAV and ________.

MP4

Because it locates cellular devices, assigns frequencies, transmits signals to the correct sites, the ________ is probably the most important part of any cellular network.

Mobile Switching Station (MSS)

Select three advantages of helium hard drives over traditional hard drives.

Platters spin faster. Platters stay cooler. More platters can be placed in the same amount of space.

Select the video file compression formats.

Quicktime AVI MP4

Because of its capability of storing data in multiple hard drives, data warehouses use ________ technology to ensure redundant data storage.

RAID

Select two reasons to compress a file.

Reduce bandwidth needed to transmit a file Reduce storage space requirements

Because they have no mechanically moving parts, ________ provide extremely fast, efficient storage.

SSDs

Your college has a database with a Students table. Which of the following could be a primary key in the table?

Social Security Number Student Number

Select two characteristics of computer storage.

Sometimes referred to as secondary storage Retains data when power is turned off

Select the major cell phone service providers in the U.S.

T-Mooblie, Verizon, ATT

Select the advantages of using a USB drive instead of a DVD.

USB drive has shorter access time. USB drive is more durable.

The data definition, as described in the data dictionary, tells users how each unit of data is defined in the database. Which of the following elements will be used to describe the data?

What field name will the data fall under What data type will be included

CDs store data using ________.

a reflective coating that has pits and lands

In order to change sound waves into digital signals, smartphones contain a(n) ________-digital converter.

analog

When you make an online purchase and enter your shipping or billing information, you're actually filling out a form that was generated by a database management system. The DBMS subsystem that allows for form creation is the ________ generation subsystem.

application

The smallest unit of data storage is a ________.

bit

Large databases, often called data banks, that cover particular subjects are referred to as ________ databases.

commercial

An integral part of a database management system (DBMS) is the Data Definition subsection. This subsection uses a data schema, also called a data ________.

dictionary

A database that stores data in different physical locations and that users access though client/server networks is called a ________ database.

distributed

Select the advantages of a 5G phone.

faster connection/data transfer speeds lower latency

In a database a ________ is a group of related characters in a database table that represents a characteristic of someone or something.

field

To control how information is entered into a database, programmers and database administrators create ________ to help ensure data integrity.

forms

Databases are built by starting with single characters of data, organizing the data into fields, organizing the related fields into records, the records then make up a table. This organization is referred to as a data ________.

hierarchy

Select the characteristics of a Blu-ray disc.

holds approximately 50 GB of data uses pits and lands to store data

Adam was in the fifth grade when he was adopted by the Smith's. Because his school used a centralized database, all of his teachers had his correct name on their grade reports. This is an example of how a centralized database can help improve data ________.

integrity

Forms structure data input to help ensure data ________, meaning the information entered is accurate, timely, and useful.

integrity

A short (simple text) e-mail uses about one ________ of data.

kilobyte

The DBMS engine provides an interface for the end user of the database. This interface is called the ________ view.

logical

Because a metal platter is physically spinning, hard drives have ________ access times than solid state hard drives.

longer

Most desktop computers use ________ to store data.

magnetic hard drives

The DBMS subsystem that allows for data maintenance and data analysis, including providing the capability to create queries, reports, and forms is referred to as the data ________ subsystem.

maintenance

Because Microsoft Access includes not only the software needed to create a database, but also the software needed to create forms, reports, data dictionaries and other capabilities, it is often referred to as a Database ________ System.

managment

When you receive a utility bill, you're actually getting a report that was generated by a database management system. The DBMS subsystem that provides for data maintenance, analysis, and the generation of reports is called the data ________ subsystem.

manipulation

One thousand kilobytes (KB) equals one ________.

megabyte

Server banks have capacities measured in ________.

petabytes

A database provides the capability of conducting searches or asking questions. A question or search for information in a database is called a(n) ________.

query

The type of database that uses common fields to create links between tables is called a(n) ________ database.

realtional

In the datasheet view of a relational database (such as Microsoft Access) a row of information is called a ________.

record

Select what's true about object-oriented databases.

store instructions for how to compute the data as well as the data to be processed equipped to handle unstructured data such as MP4 files, videos, images, and extremely large files use Object Query Language to construct queries that extract data from the database

The cell tower's base transmission station is connected to a mobile ________ station.

switching

A collection of related records in a database is referred to as a ________.

table

Some apps that use a surprising amount of data are those that include embedded ________.

videos