Worksheets274сесия икт
Total questions: 103
Worksheet time: 52mins
1. It is a system that employs human knowledge captured in a computer to solve problems that ordinarily require human expertise
a) An expert system
a) Smart house
a) Smart city
a) Smart car
a) An industrial Robot
It is a term for all types of technology-enhanced learning (TEL), where technology is used to support the learning process:
E-business
E-business
Electronic learning
EDI
Electronic commerce
The website is an attempt by the government to reach out to people in general?
a) Business-to-Business (B2B) site
а) Government-to-Consumer (G2C) site
a) Business-to-Customer (B2C) site
Consumers-to-businesses (C2B) site
Business-to-Customer (B2C) site
The process of buying, selling, transferring, or exchanging of products, services, and/or information via computer networks, including the Internet?
E-business
E-tailing
EDI
EFT
Electronic commerce
A network of internet-connected objects able to collect and exchange data using embedded sensors
The internet
The internet of Things
User technology
Private technology
The network
The technique that recodes the data in an image file so that it contains fewer bits
A compression
A virtualization
A television
A communication
A networking
This format of the graphic used by professional and semi-professional photographers to capture images before they are stored in other formats
BMP
PCX
TIFF
RAW
GIF
It is composed of a grid of dots
A vector graphic
An audio
A digital audio
A bitmap graphic
A text
. It is music, speech, and other sounds represented in binary format for use in digital devices
A digital audio
An audio
A text
A video
An animation
It is computer-based techniques of text, images, audio, video, graphics, animation, and any other medium where every type of information can be represented, processed, stored, transmitted, produced and presented digitally
A networking
A multimedia
A virtualization
A communication
A television
All media including audio/video are represented in digital format
Computer controlled
Distributed
Interactive
Digitized
Integrated
This format of the graphic used by professional and semi-professional photographers to capture images before they are stored in other formats
PCX
RAW
BMP
TIFF
GIF
It is composed of a grid of dots
) A digital audio
A text
A vector graphic
A bitmap graphic
It is music, speech, and other sounds represented in binary format for use in digital devices
A digital audio
An audio
A video
An animation
A text
It is computer-based techniques of text, images, audio, video, graphics, animation, and any other medium where every type of information can be represented, processed, stored, transmitted, produced and presented digitally
A multimedia
A networking
A television
A communication
A virtualization
All media including audio/video are represented in digital format
Distributed
Computer controlled
Interactive
Digitized
Integrated
Linear active content progresses without any navigational control for the viewer
A non-linear multimedia
A linear multimedia Mac OS
A linear multimedia
A transmission multimedia
A storage multimedia
The combination of text, graphic art, sound, animation, and video that is delivered by computer
Television
A mass media
A storage media
A transmission media
A multimedia
All media including audio/video are represented in digital format
Distributed
Computer controlled
Interactive
Digitized
Integrated
Linear active content progresses without any navigational control for the viewer
A non-linear multimedia
A mass multimedia
A transmission multimedia
A linear multimedia
A storage multimedia
The combination of text, graphic art, sound, animation, and video that is delivered by computer
Television
A mass media
A multimedia
A transmission media
A storage media
The combination of text, graphic art, sound, animation, and video that is delivered by computer
A mass media
A storage media
A transmission media
A multimedia
Television
This is the technology used for cellular communication
Network technology
Mobile technology
PS technology
User technology
Private technology
It is NOT one of the Service Models which the Cloud Computing is based
IaaS (Infrastructure-as-a-Service)
SaaS (Software-as-a-Service)
PaaS (Platform-as-a-Service)
CaaS (Computer-as-a-Service)
DaaS (Data-as-a-Service)
This type of Cloud allows systems and services to be accessible by group of organizations
The Hybrid Cloud
The User Cloud
The Private Cloud
The Public Cloud
The Community Cloud
This is both a combination of software and hardware based computing resources delivered as a network service
WAN
Cloud Computing
LAN
VPN
Web conferencing
It s a set of specifications for creating documents that a browser can display as a Web page
Text language
Programming language
HTML (Hypertext Markup Language)
HTML tag
Java Script
It is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology?
An information model
A database model
A hardware model
A software model
The Open Systems Interconnection model (OSI model)
Protocol for transfer files between local and remote host computers
TCP (Transmission Control Protocol)
IP (Internet Protocol)
FTP (File Transfer Protocol)
UDP (User Datagram Protocol)
HTTP (Hypertext Transfer protocol)
This type of Cloud allows systems and services to be accessible by group of organizations
The Hybrid Cloud
The User Cloud
The Private Cloud
The Public Cloud
The Community Cloud
An agreement between two or more parties about what rules will be followed when communication takes place
World Wide Web (WWW)
CERN (European Organization for Nuclear Research)
HTML
Communication protocol
Mosaic
It is a nasty technique in which a program attacks a network by exploiting IP broadcast addressing operations?
Smurfing
Ping storm
A dictionary attack
Denial of service attack
e-mail bombing
It is a type of malware that bombards you with endless ads and pop-up windows that could potentially be dangerous for your device
Denial of service attack
An adware
A computer worm
A trojan horse
A spyware
It is a small program that alters the way a computer operates and often does various types of damage by deleting and corrupting data and program files, or by altering operating system components, so that computer operation is impaired or even halted
A computer virus
Asymmetric key
A plaintext
A cipher-text
A symmetric key
It is any computer code that has a malicious intent
Symmetric key
Asymmetric key
Plaintext
Cipher-text
Malware
Same key for encryption and decryption. This encryption algorithm called
Asymmetric
Symmetric
Private
User
Public
It is an attempt to break the cipher text
Plaintext
Cryptanalysis
Cipher-text
Key
Encryption algorithm
It is the process of encoding a message so that its meaning is not obvious
Decryption
Cryptosystem
Criminal attacks
Encryption
Publicity attacks
The ability to ensure that data is an accurate and unchanged representation of the original secure information
Availability
Publicity attacks
Criminal attacks
Confidentiality
Integrity
It is protection of information and systems within networks that are connected to the Internet
Authorization
Cyber Security
Authentication
Information Assurance
Passwords
It is protection of information and systems within networks that are connected to the Internet?
Authorization
Cyber Security
Authentication
Information Assurance
Passwords
. It is the medium through which information usually moves from one network device to another
Mouse
Cable
User
Monitor
Personal computer
The middle layer of the Hierarchical Topology is known as …
distribution layer
access-layer
core layer
extended layer
bus layer
Not all hosts have point-to-point connection to every other host
Tree Topology
Partially Mesh Topology
Bus Topology
Star topology
Ring topology
What is it topology? In such type of topology, long backbone cable is used to link all the devices in the network
Star topology
Ring topology
Bus Topology
Mesh topology
Tree Topology
It is NOT correct topology of the network
Triangle topology
Linear Bus topology
Star topology
Mesh topology
Ring topology
… is a set of rules that governs the communications between computers on a network
A server
A client
A laptop
A cable
A protocol
… is an integral part of a computer network because it provides the computer a way to send and retrieve data
A router
A network card
A server
A client
A laptop
… is a group of computers that shares information across wireless or wired technology
A protocol
A computer network
A server
A mouse
A computer networks
(Excel) Cell is too narrow to display the results of the formula
#######
#NAME?
#VALUE!
#DIV/0!
Circular Reference
(Excel) We have a function SUM(1,2,3,4,5). The value of this function is:
3
5
1,2,3,4 and 5
SUM
15
(Excel) This is an “absolute cell reference”
$d$9
d$9
d9
$d9
9d
... based on a system of non-digital (continuous & fuzzy without crisp boundaries) set theory and rules
Genetic algorithm
Fuzzy logic
Decision tree
Neural network
Artificial neuron
To GA operators relate:
Evolution
Mutation
Fitness value
Population
Evolution environment
There is a computational approach, which is based on a large collection of neural units, loosely modeling the way a biological brain solves problems with large clusters of biological neurons connected by axons
Neural network
Artificial neuron
Fuzzy logic
Genetic algorithm
Decision tree
This field includes big number of different approaches such as statistical and information analysis, decision trees, similarity measures, neural networks, genetic algorithms, fuzzy logic, etc
Summarization
Clustering
Data Mining
Classification
Prediction
It is used to identify data objects that are similar to one another. The similarity can be decided based on a number of factors like purchase behavior, responsiveness to certain actions, geographical locations and so on
Classification
Prediction
Time-Series analysis
Association analysis
Clustering
It identifies the relationships between objects
Clustering
Classification
Prediction
Association
Time-Series analysis
. … is a sequence of events where the next event is determined by one or more of the preceding events
Association
Classification
Clustering
Prediction
Time series
Last step of knowledge discovery process
Row Data
Data Pre Processing
Building Data mining model
Assessing the model
Knowledge
What is the process of finding correlations or patterns among dozens of fields in large relational databases
Data mining
Programming
Machine learning
Visualization
Statistics
It is the process of analyzing data from different perspectives and summarizing it into useful information - information that can be used to increase revenue, cuts costs, or both
Programming
Machine learning
Visualization
Data mining
Statistics
It is NOT part of data mining
Visualization
Machine learning
Statistics
Databases
Programming
The basic logical structure of this model is represented by an upside-down tree
The network model
The relational model
The hierarchical model
The hybrid model
The object-oriented model
It is a formal description of all the database relations and all the relationships existing between them
A record
A key
A domain
A field
A database schema
What is a set of atomic values that are all of the same type
A field
A domain
A tuple
A record
A key
This mathematical class consist operations which are used to manipulate relations in a relational data model
Semantic constraint
A model
Relational algebra
A scheme
Referential integrity
Formal the description of a problem domain without constraining how that description will be mapped of the Information model to an actual implementation in software
A software model
A database model
A data model
An information model
A hardware model
It is an abstract, formal representation of entities that includes their properties, relationships and the operations that can be performed on them
A database model
An information model
A hardware model
A billing system
A software model
The two-tier architecture consists from next layers:
Server tier and Network tier
User tier and Database tier
Client tiers
Client tier and Database tier
Server tiers
It is NOT proprietary DBMS?
MySQL
Oracle
IBM DB2
Microsoft SQL Server
Microsoft Access
It is NOT part of the Data Management System
User
DB engine
Design Tools
Queries
Forms
It is a software system that enables users to define the data and manipulating data
The CPU
A Database Management System (DBMS)
A keyboard
A file
A text file
It is: first - a shared collection of logical related data and second - a self-describing collection of integrated records
A presentation
A spreadsheet
A text file
A database
A video file
The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use
Usability
Safety
Appeal
Utility
Privacy and security
. A measure of how quickly users can accomplish their goals or finish their work using the system
Appeal
Safety
Utility
Efficiency
Privacy and security
This software uses for organize, analyze, and graph numeric data
Efficiency
Spreadsheets
Privacy and security
Safety
Contain buttons and menus
A toolbar
A button
A pop-menu
A window
The desktop
Most graphical user interfaces let you execute commands by selecting a choice from …
A list of commands
A menu
A window
The desktop
A combo box
The area on the display screen where icons are grouped is often referred to as … because the icons are intended to represent real objects on a real …
A window
A pop-up window
The desktop
A file
An icon
A device, such as a mouse or trackball, that enables you to select objects on the display screen.
An icon
A pointer device
The desktop
A window
A pop-up window
Small pictures that represent commands, files, or windows
An icon
Icons
window
A pop-up window
The desktop
A symbol that appears on the display screen and that you move to select object and commands
A pointer
A pointer device
An icon
The desktop
A window
It is a program interface that takes advantage of the computer’s graphics capabilities to make the program easier to use
Graphical User Interface(GUI)
A shortcut
A pop-up window
A pointer device
The MS-DOS operation system has
A CLI (command line interface)
graphical User Interface(GUI)
example of the provision of a command line interface
A shortcut
It is a user interface to a computer's operating system or an application in which the user responds to a visual prompt by typing in a command on a specified line, receives a response back from the system, and then enters another command, and so forth
A CLI (command line interface)
Graphical User Interface(GUI)
provision of a command
This consist an alternative path to the file
A shortcut
A text file
A folder
The root
The brain of the user
How many elements dose the file system allow to have the same name in the folder (don’t basket)
A text file
A folder
The root
1 elements(only one)
The peak of a folder hierarchy is called …
A folder
the root
parent
txt
Folder takes own location: settles down in another folder called her …
parent
subfolder
children
sub subfolder
grandparent
Executable files have next file extension:
subfolder
exe
the root
shortcut
Graphic Interchange Format files have next file extension:
parent
exe
gif
.txt
Text files have next file extension:
txt
gif
parent
the root
What is NOT property of a file?
A size of the file
Color of it icon
A date and a time of creation of the file
A time when the file was last time modified
An attribute
What is a collection of data stored in one unit, identified by some name
A folder
A shortcut
A program
A directory
A file
A type protected file system for Windows OS
FAT12
FAT16
NTFS
FAT32
NTFS32
It is correct type of some file system for Windows OS
FAT55
STNF
FAT255
NTFS32
FAT32
It is correct path to the text file in some file system
FAT55
C;\peet\File.txt
1. files.folders.shortcuts to the device
C/peer/File
Top level of the file system called
A host
The server
A leaf
The path
Root directory
Microsoft Windows file system supports next types of objects
files.folders.shortcuts to the device
File system
loop of interaction
It is an abstraction providing data structure on the drive, for example, on a hard drive or an optical disk
The usability
A user
File system
A network
The flow of information between the human and computer is defined as …
The usability
A user
The human–computer interface
Te loop of interaction
A network
It is the process by which knowledge available in the world is transformed and transferred into a representation that can be used by an expert system
Identification
Conceptualisation
Formalisation
Implementation
Knowledge acquisition
