Computer Concepts and Applications

149 terms by Attulacro 

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EIU computer class; business

Facebook and Twitter are examples of social networking options

true

Prior to 1940, the word computer was defined as a person who performs calculations

true

An operating system is an example of application software

true

Because of increased versatility, a videogame console is now considered a personal computer

False

The purpose of a server is to serve computers on a network

true

In the binary number system, 2 is used to represent the value 2

False

Trojans are computer programs that seem to perform one function while actually doing something else

true

To assure you can remember your password it is a good idea to base it on information you can easily remember such as your birthday

false

A group of computers linked by wired or wireless technology is a(n) ____

network

The ____ is a collection of linked documents, graphics, and sounds

Web

____ is a term that refers to entities that exist largely within computer networks

Cyberspace

Digital imaging has had an effect in the following areas: ____

all of the above

A computer is a multiple purpose device that can do all of the following EXCEPT ____

think independently

In a computer, most processing takes place in ____

the CPU

An area of a computer that temporarily holds data waiting to be processed is ____

memory

A set of computer programs that helps a person carry out a task is ____

application software

The master controller for all activities that take place within a computer is ____

the operating system

A(n) ____ is a microprocessor-based computing device designed to meet the computing needs of an individual

personal computer

Data becomes ____ when it is presented in a format that people can understand and use

information

The binary number 10 represents ____ in the decimal number system

2

Data transmission speeds are typically expressed as ____

bits

Storage is typically expressed as ____

bytes

1,048,576 bytes is a ____

megabyte

A super-thin slice of semiconducting material packed with microscopic circuit elements is a(n) ____

all of the above

C, BASIC, COBOL, and Java are examples of ____ programming languages

high-level

A(n) ____ converts and executes one statement at a time

interpreter

A problem a hacker can cause after breaking into your computer includes ____

all of the above

____ attack uses password-cracking software

brute force

The type of data where text, numbers, graphics, sound, and video have been converted into discrete digits as represented in the accompanying figure is ____

digital

The type of data that is represented using an infinite scale of values as represented in the accompanying figure is ____

analog

The ____ is the part of the microprocessor that performs arithmetic operations, as shown in the accompanying figure

ALU

All IP addresses are static

False

All IP addresses are dynamic

False

The www in a URL is part of a domain name

False

Television and data signals are carried over the same cable

True

Cloud computing is the term given to analyzing cloud patterns and, with the help of the computer, predicting the weather

False

P2P file sharing allows users to obtain files from other users on the Internet

True

an ISP may provide ____ services

all of the above

____ replaced analog technology with digital technology and added support for text messages

2G

____ technologies support digital transmission for both voice and data

3G

____ are intended to work within LANs to monitor and direct packets being transported from one device to another

Routers

The accompanying figure represents the connection of your computer to the Internet

the router marked A should belong to a(n) ____; ISP

Digital audio is music, speech, and other sounds represented in a binary format for use in digital devices

true

Solid state storage cards hold data without consuming power, so they do not lose data when the camera is turned off

true

CDs with copy protection cannot be duplicated, and music that is ripped to another format does not play back correctly

true

if you have dialed Directory Assistance lately to obtain a telephone number, you have probably encountered ____

speech recognition

When a bitmap graphic is enlarged, it still retains its original ____

resolution

____ refers to the process of selecting part of an image

Cropping

The quality of a bitmap graphic is ____ dependent

resolution

You have just decreased the number of pixels, resolution, and file size of your graphic by selecting a portion of the image. What have you done to your graphic?

You have cropped your graphic.

A ____ is a smooth blending of shades from one color to another or from light to dark

gradient

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

rasterizing

____ is a popular format for Web-based video that requires Adobe Flash Player

Flash video

You can use a scanner, like the one in the accompanying figure, to convert a printed image into a bitmap graphic

True

When you increase the resolution of an existing graphic, as illustrated in the accompanying figure, the file size decreases

False

With images that contain strong curved or diagonal lines, pixel interpolation can result in ____ effects, such as those in the accompanying figure

pixelated

A vector graphic, like the one shown in the accompanying figure, resizes better than a comparable bitmap graphic

true

First-generation computers used vacuum tube technology

True

Assembly language and machine language are the same

false

High-level languages were developed for first-generation computers

False

Programming the first commercial microcomputers was accomplished by flipping switches

true

The computer industry encompasses those companies that manufacture computers and computer components

true

In the United States, the IT industry is fully regulated by the FCC

False

A computer certification will totally prepare a person for a job in the IT industry

False

Laws and ethics are really just different words for the same concept

false

A step-by-step process by which numbers are manipulated is a(n) ____

algorithm

An experimental device that typically must be further developed and perfected before going into production is called a(n) ____

prototype

A person who designs, codes, and tests computer programs is a ____

computer programmer

To get maximum exposure for your resume in an online job database, you should focus on ____

nouns

The life cycle of a new computer product is shown in the accompanying figure, in which box B represents ____

Product Announcement

The life cycle of a new computer product is shown in the accompanying figure, in which box C represents ____

Introduction

The accompanying figure represents computer and software marketing channels. In that figure, Box A represents ____

distribution centers

The simplest model for storing data is the flat file

true

In a fixed-length field, when the data entered is shorter than the allocated field length, blank spaces automatically fill the field

True

A record contains the smallest unit of meaningful information

True

A relational database stores data in a collection of related tables

true

If a name field contains an entire name, it is difficult to individually manipulate the first name, last name, and middle initial

true

The logical data type is used for true/false or yes/no data

true

The data accessed by data mining and other analysis techniques is often stored in a data ____

warehouse

In the world of databases, a(n) ____ refers to a collection of data fields

record

____ refers to the number of associations that can exist between two record types

Cardinality

A(n) ____ is an association between data that is stored in different record types

relationship

Data ____ means that data are separate from the programs used to manipulate the data

independence

The ____ data type is used to store true/false or yes/no data using minimal storage space

logical

A ____ data type usually provides a variable-length field into which users can enter comments

memo

In SQL terminology, creating a relationship between tables is referred to as ____ tables

joining

A database audit can ____

all of the above

in the accompanying figure, the relationship shown in the top row is a one-to-many relationship

true

____ is the process of converting text, numbers, sound, photos, and video into data that can be processed by digital devices.

Digitization

Technology ____ is a process by which several different technologies with distinct functionality evolve to form a single product.

Convergence

All of the following require both parties to be online at the same time EXCEPT ____.

Asynchronous Communication

A named collection of data that exists on a storage medium is known as (a) ____.

File

A set of computer programs that helps a computer monitor itself and function more efficiently is ____.

Application Software

An ordinary personal computer that is connected to a network is a ____.

Workstation

1,024 bytes is a ____.

Kilobyte

The human-readable version of a program is called ____.

Source Code

A(n) ____ converts all the statements in a program in a single batch and the resulting collection of instructions is placed in a new file.

Compiler

A collection of preprogrammed activities such as addition, subtraction, counting, and comparison is called a(n) ____.

Instruction Set

In terms of an authentication protocol, the phrase 'something a person knows' refers to ____.

authentication protocol

A ____ is a series of characters that becomes a person's unique identifier.

User Id

In terms of an authentication protocol, the phrase 'something a person possesses' could refer to ____.

ATM card or credit card

In terms of an authentication protocol, the phrase 'something a person is' refers to a(n) ____.

biometrics; fingerprint, facial features, retinal pattern

A term which can refer to a person who manipulates computers with malicious intent is a ____.

Black hat or cracker

____ intercepts information sent over computer networks.

sniffing

A hacker posing as a legitimate representative of an official organization such as your bank is an example of ____.

phishing

As shown in the accompanying figure, the ____ fetches each instruction.

Control Unit

The Internet began with a project called ____.

ARPA or ARPANET

Every domain name corresponds to a unique IP address that has been entered into the ____.

Domain Name System

The rate of data arriving at your computer is ____.

Downstream Speed

All of the following EXCEPT ____ are considered truly high-speed connections.

ISDN

____ currently offers the fastest Internet access speeds.

DSL

Most messaging is based on a(n) ____ model.

Client/server

The ____ protocol allows the transfer of files from one computer to another over any TCP/IP network.

FTP; File Transfer Protocol

In the accompanying figure, the type of signal represented by A is a(n) ____.

Digital Signal

A(n) ____ is a device that contains a variety of input and output jacks, plus audio-processing circuitry.

Sound Card

A ____ graphic is composed of a grid of dots.

bitmap graphic

____ is a graphics format with built-in compression that stores True Color bitmap data very efficiently in a small file.

JPEG

One clue that an image might be a ____ graphic is a flat, cartoon-like quality.

Vector

____ can be used to create the illusion of three dimensions by smoothly blending shades from one color to another or from light to dark.

Gradient

Today's ____ editing simply requires a computer hard disk and video editing software.

Nonlinear

A ____ watermark is a pattern of bits inserted at various places in an image or a content stream that can be used to track, identify, verify, and control content use.

Digital

A calculator that implements instructions autonomously is a(n) ____.

slide rule?

Punched cards were first used for ____.

controlling textile looms & input, processing, and data storage.

Computers characterized by their use of vacuum tubes are considered ____-generation.

First

A vacuum tube can have ____ states.

2?

Computers characterized by their use of transistors are considered ____ -generation.

Second

Computers characterized by their use of microprocessors are ____-generation.

Fourth

The first phase of testing generally carried out by the software publisher's in-house test team is called ____.

White Box Testing

A set of testing conducted by a team of off-site testers is called ____.

Beta Testing

____ refers to hardware manufacturers that sell their products directly to consumers.

Manufacturer Direct

A(n) ____ investigates the requirements of a business or organization, its employees, and its customers in order to plan and implement new or improved customer service.

...

A person who creates documentation for large programming projects is a ____.

...

Advantages of telecommuting include all the following EXCEPT ____.

...

Careers in computer ____ focus on the design of computer hardware.

Engineering

Careers in computer ____ focus on computer architecture and programming computers to make them work effectively and efficiently.

Science

____ degrees focus on applying computers to business problems.

...

____ degrees focus on the computer equipment and software used by businesses.

Information Technology

In the broadest definition, a(n) ____ is a collection of information.

...

Data ____ refers to the process of analyzing information in databases to discover previously unknown and potentially useful information.

...

____ refers to a branch of data mining that focuses on predicting future probabilities and trends.

...

A fixed-length field contains a predetermined number of ____.

...

A record ____ contains data about a particular entity.

...

Database ____ software is designed to manage billions of records and several hundred transactions per second.

...

A field ____ rule is a specification that the database designer sets up to filter the data entered into a particular field.

...

A ____ validates an entry by searching for the same data in a file or database table.

...

The goal of normalization is to minimize data ____.

...

____ is a query language.

...

The ____ operator specifies that both of the search criteria must be true for the record to be selected.

...

The two tables shown in the accompanying figure are ____ by the CustomerNumber field.

...

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