COSC 100 Chapter 8
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Newer 3D printers draw on the surface of liquid plastic ________ with a laser which causes it to harden and take shape according to the design.
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resin
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The term ________ refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
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digital convergence
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What is iOS?
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An operating system for mobile phones
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The operating system of a cell phone is stored in ________.
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ROM
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The primary input devices for smartphones are ________.
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microphone and touch pad
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Google ________ is an online store that delivers software for Android devices.
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Play
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A(n) ________ chip converts sound waves from a voice into digital signal.
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analog-to-digital converter
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A(n) ________ is included in a cell phone to handle the compression of data for it to be quickly transmitted to another phone.
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digital signal processor chip
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A(n) ________ converts your voice's sound waves into digital signals.
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analog-to-digital converter chip
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Which of the following uses radio waves to transmit data signals over short distances?
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Bluetooth
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Many mobile devices include a mini- ________ port.
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USB
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Text messaging is also called ________.
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short message service (SMS)
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Which is true of SMS messages?
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They can contain a limited number of characters.
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You can send messages that include photos and videos between mobile devices using ________ technology.
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multimedia message service (MMS)
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An Internet connectivity plan is also known as a ________ plan.
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data
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All of the following are advantages of VoIP EXCEPT ________.
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excellent reliability during Internet or power outages
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VoIP uses ________ technology similar to email to transmit voice over the internet.
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digital
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The global positioning system is a network of 21 ________ plus 3 working spares.
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satellites
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A main difference between the tablet and the smartphone is the ________.
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screen size
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Which of the following mobile devices is the lightest?
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Smartphone
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The distance between two near field communication (NFC) devices is limited to about ________.
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1.5 inches
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Which of the following is NOT true about e-books?
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They are always PDF file format.
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________ is digital textual information that can be stored, manipulated, and transmitted by electronic devices.
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E-text
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Your mobile device files can be synchronized using ________.
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a cloud service
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Which of the following is not an example of a digital music file format?
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.accdb
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________ allows only limited use of media that have been legally purchased.
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Digital rights management
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Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?
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Sampling rate
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Which of the following digital image formats compresses the image file?
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JPEG
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Which of the following is NOT a video file extension?
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.jpg
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A(n) ________ cable carries all audio and video information from devices to a connected TV.
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HDMI
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Inexpensive phones with modest processors and simple interfaces are called feature phones.
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True
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Smartphones all use the Android operating system.
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False
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iPhones let you add SD flash cards.
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False
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SMS messages are limited to a maximum of 160 words.
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False
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A tablet uses a full traditional operating system.
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False
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SMS technology sends both text and pictures.
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False
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There are more virus attacks on cell phone and smartphones than there are on PCs.
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False
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VoIP can be considered an alternative to a traditional landline phone service.
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True
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DRM-free music can legally be moved from system to system.
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True
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The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.
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False
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When converting analog waves to a series of numerical values, the higher the sampling rate, the more accurately the original wave can be re-created.
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True
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Raw files are larger than JPEG files.
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True
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Cellular networks offer faster data-transfer speed than WiFi offers.
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False
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With Skype software installed on your phone, you can call any phone number for free.
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False
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VoIP stands for Voice over Internet Protocol.
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True
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Every new cell/smartphone has to include a GPS chip.
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True
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________, a technology that uses radio waves to transmit signals, allows you to synchronize your cell phone or smartphone with your desktop computer wirelessly.
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Bluetooth
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The ________ of a digital camera refers to the number of data points recorded for a captured image.
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resolution
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The ________ is the number of times that an analog wave is measured each second in an analog-to-digital conversion.
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sampling rate
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The most common file types supported by digital cameras are raw uncompressed (RAW) data and ________.
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JPEG
