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274сесия икт

Total questions: 103

Worksheet time: 52mins

Name
Class
Date
1.

1. It is a system that employs human knowledge captured in a computer to solve problems that ordinarily require human expertise

a)

a) An expert system

b)

a) Smart house

c)

a) Smart city

d)

a) Smart car

e)

a) An industrial Robot

2.

It is a term for all types of technology-enhanced learning (TEL), where technology is used to support the learning process:

a)

E-business

b)

E-business

c)

Electronic learning

d)

EDI

e)

Electronic commerce

3.

The website is an attempt by the government to reach out to people in general?

a)

a) Business-to-Business (B2B) site

b)

а) Government-to-Consumer (G2C) site

c)

a) Business-to-Customer (B2C) site

d)

Consumers-to-businesses (C2B) site

e)

Business-to-Customer (B2C) site

4.

The process of buying, selling, transferring, or exchanging of products, services, and/or information via computer networks, including the Internet?

a)

E-business

b)

E-tailing

c)

EDI

d)

EFT

e)

Electronic commerce

5.

A network of internet-connected objects able to collect and exchange data using embedded sensors

a)

The internet

b)

The internet of Things

c)

User technology

d)

Private technology

e)

The network

6.

The technique that recodes the data in an image file so that it contains fewer bits

a)

A compression

b)

A virtualization

c)

A television

d)

A communication

e)

A networking

7.

This format of the graphic used by professional and semi-professional photographers to capture images before they are stored in other formats

a)

BMP

b)

PCX

c)

TIFF

d)

RAW

e)

GIF

8.

It is composed of a grid of dots

a)

A vector graphic

b)

An audio

c)

A digital audio

d)

A bitmap graphic

e)

A text

9.

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

a)

A digital audio

b)

An audio

c)

A text

d)

A video

e)

An animation

10.

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)

A networking

b)

A multimedia

c)

A virtualization

d)

A communication

e)

A television

11.

All media including audio/video are represented in digital format

a)

Computer controlled

b)

Distributed

c)

Interactive

d)

Digitized

e)

Integrated

12.

This format of the graphic used by professional and semi-professional photographers to capture images before they are stored in other formats

a)

PCX

b)

RAW

c)

BMP

d)

TIFF

e)

GIF

13.

It is composed of a grid of dots

a)

) A digital audio

b)

A text

c)

A vector graphic

d)

A bitmap graphic

14.

It is music, speech, and other sounds represented in binary format for use in digital devices

a)

A digital audio

b)

An audio

c)

A video

d)

An animation

e)

A text

15.

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)

A multimedia

b)

A networking

c)

A television

d)

A communication

e)

A virtualization

16.

All media including audio/video are represented in digital format

a)

Distributed

b)

Computer controlled

c)

Interactive

d)

Digitized

e)

Integrated

17.

Linear active content progresses without any navigational control for the viewer

a)

A non-linear multimedia

b)

A linear multimedia Mac OS

c)

A linear multimedia

d)

A transmission multimedia

e)

A storage multimedia

18.

The combination of text, graphic art, sound, animation, and video that is delivered by computer

a)

Television

b)

A mass media

c)

A storage media

d)

A transmission media

e)

A multimedia

19.

All media including audio/video are represented in digital format

a)

Distributed

b)

Computer controlled

c)

Interactive

d)

Digitized

e)

Integrated

20.

Linear active content progresses without any navigational control for the viewer

a)

A non-linear multimedia

b)

A mass multimedia

c)

A transmission multimedia

d)

A linear multimedia

e)

A storage multimedia

21.

The combination of text, graphic art, sound, animation, and video that is delivered by computer

a)

Television

b)

A mass media

c)

A multimedia

d)

A transmission media

e)

A storage media

22.

The combination of text, graphic art, sound, animation, and video that is delivered by computer

a)

A mass media

b)

A storage media

c)

A transmission media

d)

A multimedia

e)

Television

23.

This is the technology used for cellular communication

a)

Network technology

b)

Mobile technology

c)

PS technology

d)

User technology

e)

Private technology

24.

It is NOT one of the Service Models which the Cloud Computing is based

a)

IaaS (Infrastructure-as-a-Service)

b)

SaaS (Software-as-a-Service)

c)

PaaS (Platform-as-a-Service)

d)

CaaS (Computer-as-a-Service)

e)

DaaS (Data-as-a-Service)

25.

This type of Cloud allows systems and services to be accessible by group of organizations

a)

The Hybrid Cloud

b)

The User Cloud

c)

The Private Cloud

d)

The Public Cloud

e)

The Community Cloud

26.

This is both a combination of software and hardware based computing resources delivered as a network service

a)

WAN

b)

Cloud Computing

c)

LAN

d)

VPN

e)

Web conferencing

27.

It s a set of specifications for creating documents that a browser can display as a Web page

a)

Text language

b)

Programming language

c)

HTML (Hypertext Markup Language)

d)

HTML tag

e)

Java Script

28.

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?

a)

An information model

b)

A database model

c)

A hardware model

d)

A software model

e)

The Open Systems Interconnection model (OSI model)

29.

Protocol for transfer files between local and remote host computers

a)

TCP (Transmission Control Protocol)

b)

IP (Internet Protocol)

c)

FTP (File Transfer Protocol)

d)

UDP (User Datagram Protocol)

e)

HTTP (Hypertext Transfer protocol)

30.

This type of Cloud allows systems and services to be accessible by group of organizations

a)

The Hybrid Cloud

b)

The User Cloud

c)

The Private Cloud

d)

The Public Cloud

e)

The Community Cloud

31.

An agreement between two or more parties about what rules will be followed when communication takes place

a)

World Wide Web (WWW)

b)

CERN (European Organization for Nuclear Research)

c)

HTML

d)

Communication protocol

e)

Mosaic

32.

It is a nasty technique in which a program attacks a network by exploiting IP broadcast addressing operations?

a)

Smurfing

b)

Ping storm

c)

A dictionary attack

d)

Denial of service attack

e)

e-mail bombing

33.

It is a type of malware that bombards you with endless ads and pop-up windows that could potentially be dangerous for your device

a)

Denial of service attack

b)

An adware

c)

A computer worm

d)

A trojan horse

e)

A spyware

34.

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)

A computer virus

b)

Asymmetric key

c)

A plaintext

d)

A cipher-text

e)

A symmetric key

35.

It is any computer code that has a malicious intent

a)

Symmetric key

b)

Asymmetric key

c)

Plaintext

d)

Cipher-text

e)

Malware

36.

Same key for encryption and decryption. This encryption algorithm called

a)

Asymmetric

b)

Symmetric

c)

Private

d)

User

e)

Public

37.

It is an attempt to break the cipher text

a)

Plaintext

b)

Cryptanalysis

c)

Cipher-text

d)

Key

e)

Encryption algorithm

38.

It is the process of encoding a message so that its meaning is not obvious

a)

Decryption

b)

Cryptosystem

c)

Criminal attacks

d)

Encryption

e)

Publicity attacks

39.

The ability to ensure that data is an accurate and unchanged representation of the original secure information

a)

Availability

b)

Publicity attacks

c)

Criminal attacks

d)

Confidentiality

e)

Integrity

40.

It is protection of information and systems within networks that are connected to the Internet

a)

Authorization

b)

Cyber Security

c)

Authentication

d)

Information Assurance

e)

Passwords

41.

It is protection of information and systems within networks that are connected to the Internet?

a)

Authorization

b)

Cyber Security

c)

Authentication

d)

Information Assurance

e)

Passwords

42.

. It is the medium through which information usually moves from one network device to another

a)

Mouse

b)

Cable

c)

User

d)

Monitor

e)

Personal computer

43.

The middle layer of the Hierarchical Topology is known as …

a)

distribution layer

b)

access-layer

c)

core layer

d)

extended layer

e)

bus layer

44.

Not all hosts have point-to-point connection to every other host

a)

Tree Topology

b)

Partially Mesh Topology

c)

Bus Topology

d)

Star topology

e)

Ring topology

45.

What is it topology? In such type of topology, long backbone cable is used to link all the devices in the network

a)

Star topology

b)

Ring topology

c)

Bus Topology

d)

Mesh topology

e)

Tree Topology

46.

It is NOT correct topology of the network

a)

Triangle topology

b)

Linear Bus topology

c)

Star topology

d)

Mesh topology

e)

Ring topology

47.

… is a set of rules that governs the communications between computers on a network

a)

A server

b)

A client

c)

A laptop

d)

A cable

e)

A protocol

48.

… is an integral part of a computer network because it provides the computer a way to send and retrieve data

a)

A router

b)

A network card

c)

A server

d)

A client

e)

A laptop

49.

… is a group of computers that shares information across wireless or wired technology

a)

A protocol

b)

A computer network

c)

A server

d)

A mouse

e)

A computer networks

50.

(Excel) Cell is too narrow to display the results of the formula

a)

#######

b)

#NAME?

c)

#VALUE!

d)

#DIV/0!

e)

Circular Reference

51.

(Excel) We have a function SUM(1,2,3,4,5). The value of this function is:

a)

3

b)

5

c)

1,2,3,4 and 5

d)

SUM

e)

15

52.

(Excel) This is an “absolute cell reference”

a)

$d$9

b)

d$9

c)

d9

d)

$d9

e)

9d

53.

... based on a system of non-digital (continuous & fuzzy without crisp boundaries) set theory and rules

a)

Genetic algorithm

b)

Fuzzy logic

c)

Decision tree

d)

Neural network

e)

Artificial neuron

54.

To GA operators relate:

a)

Evolution

b)

Mutation

c)

Fitness value

d)

Population

e)

Evolution environment

55.

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

a)

Neural network

b)

Artificial neuron

c)

Fuzzy logic

d)

Genetic algorithm

e)

Decision tree

56.

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

a)

Summarization

b)

Clustering

c)

Data Mining

d)

Classification

e)

Prediction

57.

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

a)

Classification

b)

Prediction

c)

Time-Series analysis

d)

Association analysis

e)

Clustering

58.

It identifies the relationships between objects

a)

Clustering

b)

Classification

c)

Prediction

d)

Association

e)

Time-Series analysis

59.

. … is a sequence of events where the next event is determined by one or more of the preceding events

a)

Association

b)

Classification

c)

Clustering

d)

Prediction

e)

Time series

60.

Last step of knowledge discovery process

a)

Row Data

b)

Data Pre Processing

c)

Building Data mining model

d)

Assessing the model

e)

Knowledge

61.

What is the process of finding correlations or patterns among dozens of fields in large relational databases

a)

Data mining

b)

Programming

c)

Machine learning

d)

Visualization

e)

Statistics

62.

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

a)

Programming

b)

Machine learning

c)

Visualization

d)

Data mining

e)

Statistics

63.

It is NOT part of data mining

a)

Visualization

b)

Machine learning

c)

Statistics

d)

Databases

e)

Programming

64.

The basic logical structure of this model is represented by an upside-down tree

a)

The network model

b)

The relational model

c)

The hierarchical model

d)

The hybrid model

e)

The object-oriented model

65.

It is a formal description of all the database relations and all the relationships existing between them

a)

A record

b)

A key

c)

A domain

d)

A field

e)

A database schema

66.

What is a set of atomic values that are all of the same type

a)

A field

b)

A domain

c)

A tuple

d)

A record

e)

A key

67.

This mathematical class consist operations which are used to manipulate relations in a relational data model

a)

Semantic constraint

b)

A model

c)

Relational algebra

d)

A scheme

e)

Referential integrity

68.

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)

A software model

b)

A database model

c)

A data model

d)

An information model

e)

A hardware model

69.

It is an abstract, formal representation of entities that includes their properties, relationships and the operations that can be performed on them

a)

A database model

b)

An information model

c)

A hardware model

d)

A billing system

e)

A software model

70.

The two-tier architecture consists from next layers:

a)

Server tier and Network tier

b)

User tier and Database tier

c)

Client tiers

d)

Client tier and Database tier

e)

Server tiers

71.

It is NOT proprietary DBMS?

a)

MySQL

b)

Oracle

c)

IBM DB2

d)

Microsoft SQL Server

e)

Microsoft Access

72.

It is NOT part of the Data Management System

a)

User

b)

DB engine

c)

Design Tools

d)

Queries

e)

Forms

73.

It is a software system that enables users to define the data and manipulating data

a)

The CPU

b)

A Database Management System (DBMS)

c)

A keyboard

d)

A file

e)

A text file

74.

It is: first - a shared collection of logical related data and second - a self-describing collection of integrated records

a)

A presentation

b)

A spreadsheet

c)

A text file

d)

A database

e)

A video file

75.

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

a)

Usability

b)

Safety

c)

Appeal

d)

Utility

e)

Privacy and security

76.

. A measure of how quickly users can accomplish their goals or finish their work using the system

a)

Appeal

b)

Safety

c)

Utility

d)

Efficiency

e)

Privacy and security

77.

This software uses for organize, analyze, and graph numeric data

a)

Efficiency

b)

Spreadsheets

c)

Privacy and security

d)

Safety

78.

Contain buttons and menus

a)

A toolbar

b)

A button

c)

A pop-menu

d)

A window

e)

The desktop

79.

Most graphical user interfaces let you execute commands by selecting a choice from …

a)

A list of commands

b)

A menu

c)

A window

d)

The desktop

e)

A combo box

80.

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)

A window

b)

A pop-up window

c)

The desktop

d)

A file

e)

An icon

81.

A device, such as a mouse or trackball, that enables you to select objects on the display screen.

a)

An icon

b)

A pointer device

c)

The desktop

d)

A window

e)

A pop-up window

82.

Small pictures that represent commands, files, or windows

a)

An icon

b)

Icons

c)

window

d)

A pop-up window

e)

The desktop

83.

A symbol that appears on the display screen and that you move to select object and commands

a)

A pointer

b)

A pointer device

c)

An icon

d)

The desktop

e)

A window

84.

It is a program interface that takes advantage of the computer’s graphics capabilities to make the program easier to use

a)

Graphical User Interface(GUI)

b)

A shortcut

c)

A pop-up window

d)

A pointer device

85.

The MS-DOS operation system has

a)

A CLI (command line interface)

b)

graphical User Interface(GUI)

c)

example of the provision of a command line interface

d)

A shortcut

86.

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)

A CLI (command line interface)

b)

Graphical User Interface(GUI)

c)

provision of a command

87.

This consist an alternative path to the file

a)

A shortcut

b)

A text file

c)

A folder

d)

The root

e)

The brain of the user

88.

How many elements dose the file system allow to have the same name in the folder (don’t basket)

a)

A text file

b)

A folder

c)

The root

d)

1 elements(only one)

89.

The peak of a folder hierarchy is called …

a)

A folder

b)

the root

c)

parent

d)

txt

90.

Folder takes own location: settles down in another folder called her …

a)

parent

b)

subfolder

c)

children

d)

sub subfolder

e)

grandparent

91.

Executable files have next file extension:

a)

subfolder

b)

exe

c)

the root

d)

shortcut

92.

Graphic Interchange Format files have next file extension:

a)

parent

b)

exe

c)

gif

d)

.txt

93.

Text files have next file extension:

a)

txt

b)

gif

c)

parent

d)

the root

94.

What is NOT property of a file?

a)

A size of the file

b)

Color of it icon

c)

A date and a time of creation of the file

d)

A time when the file was last time modified

e)

An attribute

95.

What is a collection of data stored in one unit, identified by some name

a)

A folder

b)

A shortcut

c)

A program

d)

A directory

e)

A file

96.

A type protected file system for Windows OS

a)

FAT12

b)

FAT16

c)

NTFS

d)

FAT32

e)

NTFS32

97.

It is correct type of some file system for Windows OS

a)

FAT55

b)

STNF

c)

FAT255

d)

NTFS32

e)

FAT32

98.

It is correct path to the text file in some file system

a)

FAT55

b)

C;\peet\File.txt

c)

1. files.folders.shortcuts to the device

d)

C/peer/File

99.

Top level of the file system called

a)

A host

b)

The server

c)

A leaf

d)

The path

e)

Root directory

100.

Microsoft Windows file system supports next types of objects

a)

files.folders.shortcuts to the device

b)

File system

c)

loop of interaction

101.

It is an abstraction providing data structure on the drive, for example, on a hard drive or an optical disk

a)

The usability

b)

A user

c)

File system

d)

A network

102.

The flow of information between the human and computer is defined as …

a)

The usability

b)

A user

c)

The human–computer interface

d)

Te loop of interaction

e)

A network

103.

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

a)

Identification

b)

Conceptualisation

c)

Formalisation

d)

Implementation

e)

Knowledge acquisition