Module 1-3 (Study for Exam 1)

Which type of mobile broadband service has maximum download rates of 300 Mbps and upload rates of 75 Mbps? TCP? 3G? 4G? ICANN?

4G

3D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form?

A wireframe

Which of the following is an example of a DCE?Router?Modem?Hub?All of the above?

All of the above. DCE--Data Communications equipment, a device that communicates with a data terminal equipment

What type of Internet connection do you have when upload speed differs from download speed?

Asymmetric and symetric=same download/upload

__ is the number of bits that are processed during a specific unit of time, usually during one second.

Bit rate

Which file sharing protocol distributes the role of a file server across a collection of dispersed computers?

BitTorrent

Which of the following is NOT a format that is used for digital audio? Mp3, Ogg, WAV, DOC

DOC

__ is the amount of data a storage device can move per second from the storage medium to RAM.

Data transfer rate

___is music, speech, and other sounds represented in binary format for use in digital devices.

Digital audio

In a display device, ____ is the distance in millimeters between like-colored LEDs.

Dot pitch (dp)

__________ LANs are usually arranged in a star topology with computers wired to central switching circuitry that is incorporated in modern routers.

Ethernet

Which type of protocol provides a way to transfer files from one computer to another over any TCP/IP network, such as a LAN or the Internet. PAN?FTP?UDP?TCP?

FTP (FTP is a way to transfer file online)

A laser printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.

False

Both scanners and digital cameras produce vector graphics

False

Lossy compression provides a way to compress data and reconstitute it into its original state.

False

MIDI files are less compact than digital audio files.

False

TIFF, PNG, and GIF graphics formats offer lossy compression

False

The binary number system has only two digits: 1 and 2

False

T||F The organization that supervises Internet addressing is ARPANET.

False

With wired connections, such as Ethernet, the rated speed and range are usually quite different to actual performance.

False

Memory cards are typically volatile.

False, it still store data in it after disconnected

T or F. All remote storage is considered to be cloud storage.

False. Remote storage is housed on an external device that can be accessed from a network. Remote storage may be available on a home, school, or work network.

Which type of cables are used for high-capacity trunk lines that provide main routes for telephone, cable, and Internet communications?

Fiber-optic cables

Which of the following is NOT a drawback of using cloud storage?

High price of storage

What organization is the top-level authority for supervising domain name requests?ICANN?ISPs? HTTP?DNS?

ICANN

____ is an Internet protocol that uses 32-bit addresses to uniquely identify devices connected to the Internet.

IPv4

___ is an Internet protocol that uses 128-bit addresses to uniquely identify devices connected to the Internet.

IPv6

Networks that form the Internet are maintained by _____? ISPs? ICANN? IXPs? All of the above?

ISPs

Data becomes___when it is presented in a format that people can understand and use.

Information

_____ is data that is entered into a computer. ______ is the result produced by a computer.

Input, Output

The ___connects active sensors and passive tags to communication networks.

Internet of Things

___ compression can be applied to each frame of a video using the same technique as compressing a still image.

Intraframe

_____ are designed to provide connectivity for devices within a limited area, typically within the premises of a home, office building, business, or school. LANs?PANs?WANs?BANs?

LANs

What type of computer would be the best option for students and on-the-go professionals who want to create content and be productive, in addition to consuming content?

Laptop

A(n) _______________ is used to uniquely identify devices on LANs. AirDrop?MAC address?Ethernet?

MAC address

___specifies a standard way to store music data for synthesizers and computers.

MIDI

Which type of broadband Internet access involves using cellular data networks?

Mobile

Binary? Numberic? Text? Digital? __ data consists of numbers that can be used in arithmetic operations.

Numeric

Which type of network connects smart devices or consumer electronics within a range of about 30 feet (10 meters) and without the use of wires or cables?

PAN

____such as write-only, specify how shared files can be used.

Permissions

An undesirable jagged appearance is referred to as___

Pixilation

Which type of network topology connects a peripheral device to a host device?Bus?Mesh?Point-to-point?Star?

Point-to-point

Which of the following is NOT an example of an expansion port?Thunderbolt? RAM? HDMI? USB 3.0?

RAM

Today's color display devices represent color using the ______ color model.

RGB

Which of the following is the technique for adding light and shadows to a 3D image?

Ray tracing

A(n)___is the broadcasted name of a wireless network.

SSID

__ enables people to control software with spoken commands, as well as dictate text into a word processing document.

Speech recognition

___is the process by which machines produce sound that resembles spoken words.

Speech synthesis

Which of the following is an example of why hard disk drives are so popular?

They have relatively low cost for lots of storage

Which network tier forms the Internet backbone?

Tier 1

A multicore processor that executes more than one instruction at a time is referred to as a parallel processor.

True

A solid state drive can be used as a substitute for a hard disk drive.

True

Bitmap graphics are resolution dependent because each element is a discrete pixel.

True

Digital photographs are stored as bitmap files.

True

Digital video uses bits to store color and brightness data for each video frame

True

In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.

True

In digital video, a lower resolution reduces the bit rate.

True

Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to create the shape, size, position, and color for each object in an image.

True

LANs use many of the same network technologies as the Internet.

True

T||F A Web site cannot be accessed by name until it has been added to the domain name server lists.

True

T||F Connection speed is technically a measure of capacity.

True

T||F File-sharing protocols such as BitTorrent are designed to distribute the role of file server across a collection of dispersed computers.

True

T||F Mobile broadband tethering can be used to access the Internet from a laptop or desktop computer.

True

T||F You can access FTP servers with a browser.

True

T||F You can set up Wi-Fi to use wireless mesh topology OR star topology.

True

RAM is volatile.

True. It will reset or delete the instruct set. ONly rom is store (not volatile)

Which type of network covers a large geographical area and usually consists of several smaller networks, which might use different computer platforms and network technologies.

WAN

he electronic components of most digital devices are mounted on a circuit board called a ___system board? motherboard? main board? all of the above?

all of the above

A(n)___ is a graphic image composed of two images, one that is tinted red and the other that is tinted blue. When viewed together these images produce a stereoscopic effect.

anaglyph

A(n)___is a copy of one or more files that is made in case the originals become damaged.

backup

Transmission speeds are expressed in _______, whereas storage space is expressed in _______

bits, bytes

A group of eight bits is called a _______.

byte

Remote storage that is available as an Internet service is called __storage.

cloud

Computers that operate in essentially the same way and use the same software are said to be ___

compatible

Bit rate can be scaled down by reducing the resolution and applying__techniques.

compression

Image__ refers to any technique that recodes the data in an image file so that it contains fewer bits,

compression

A(n) ___ is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions.

computer

Video files are stored in ___ formats that hold the compressed video stream and an audio stream.

container

The main circuits on the system board that carry data are called the ___

data bus

The number of colors available in a graphic is referred to as color ______

depth

The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________.

digitization

Network___enables a computer to see other devices on a network and specifies whether that computer can be seen by others.

discovery

A(n) ___ is a bit-for-bit copy of the data from all sectors of a hard disk.

disk image

In the computer industry, the term___refers to the size and dimensions of a device or components.

form factor

Image editors provide an image ___ that can be used to adjust the brightness values for various ranges of dark, mid-range, or light pixels.

histogram

A Wi-Fi___ is a wireless local area network that provides Internet access to the public.

hotspot

A(n) ___printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.

ink jet

Microprocessors are hard-wired to perform a limited, preprogrammed set of activities called a(n) ___

instruction set

Satellite Internet service is subject to___ delays as signals travel to satellites orbiting thousands of miles above the earth.

latency

The most popular battery type used in today's electronic devices is __

lithium ion

The part of the data bus that runs between the microprocessor and RAM is called the _______ bus.

local

Smart appliances are controlled by integrated circuits called ___

microcontrollers

A(n)___ is an integrated circuit designed to process instructions.

microprocessor

In 1971, Intel introduced the world's first___called the Intel 4004.

microprocessor

Many touchscreens have a(n) ___coating designed to repel the oils deposited by fingertips

oleophobic

The term___device is used for equipment such as printers, display devices, storage devices, mice, and headsets that are connected to the system unit of a computer.

peripheral

On a network, file sharing allows users to open, view, edit, copy, and delete files from a remote device, provided that they have the proper___

permissions

Originally called microcomputers, _________ are designed to meet the computing needs of individuals.

personal computers

In the context of networks, a communication___refers to a set of rules for efficiently transmitting data from one network node to another.

protocol

A vector graphic can be converted into a bitmap graphic through a process called

rasterizing

A(n) ___contains parts of the operating system necessary to boot your computer and diagnose system problems after a hard drive failure or software malfunction.

recovery drive

The ALU uses___to hold data that is being processed.

registers

The process of covering a wireframe with surface color and texture is called

rendering

To digitally record sound, ___of a sound wave are collected at periodic intervals and stored as numeric data in an audio file.

sample

An integrated circuit is a set of microscopic electronic circuits etched onto a thin slice of____ material such as silicon.

semiconducting

A computer that is primarily used to distribute data to other computers on a network is called a(n) ___

server

ASCII requires __________ bits for each character

seven

The fastest computers in the world are referred to as ___

supercomputer

The term ________ refers to the part of a digital device that holds the system board.

system unit

In the context of communication networks, the term___refers to the structure and layout of network components.

topology

In wireless network devices, RF signals are sent and received by a___

transceiver

When you change the size of a(n) __ graphic, the objects change proportionally and maintain their smooth edges,

vector

Smartwatches and activity trackers can be classified as___computers.

wearable