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Worksheets60 сұрақ посл
Total questions: 60
Worksheet time: 30mins
Which of these is NOT a type of server?
Disk server
Print server
RAM server
File server
Mail server
Which is the type of local area network in which all microcomputers in the network communicate directly with one another without relying on a server?
Peer to peer
Domain
MAN
Client-server
WAN
Which of these best describes the regular telephone line that is used in most homes today?
Coaxial cable
Twisted-pair wire
Modem cable
LAN
Fiber-optic cable
How do fiber-optic cables transmit data?
Via AC electric current
Via radio waves
Via infrared
Via copper wire
Via pulsating beams of light
What is hardware and/or software that protects computers from intruders?
Firewall
Backup
Router
Anti‐virus
Biometrics
Which attack slows down or crashes equipment and programs?
Zero-day or Zero-hour
Firewall
Denial of Service (DoS)
Virtual Private Network (VPN)
Virus, worm, or Trojan horse
Which option describes malicious code running on user devices?
Virus, worm, or Trojan horse
Denial of Service (DoS)
Firewall
Virtual Private Network (VPN)
Zero-day or Zero-hour
What is the purpose of an IP address?
It identifies a return address for replying to email messages
It identifies a location in memory from which a program runs
It identifies the physical location of a data center
It identifies the source and destination of data packets on a network
It identifies the MAN
What is an advantage of the peer-to-peer network model?
ralized administration
Ease of setup
Scalability
High level of security
Centralized administration
Short for electronic commerce, it is the business of buying and selling products online.
E- house
E- government
E-connection
E- store
E-commerce
What is a collection of files storing related data?
database
data model
database management system
data integrity
normalization
Give an example of Database Management System
Pasca
Cardreader
Oracle
Delphi
C++
What concepts don't relate to database?
Folder
Table
File
Record
Field
What language is used to communicate with a database?
Extensible Markup Language
Data Definition Language
Pascal
Structured Query Language
Data Manipulation Language
A group of 8 bits taken as a single unit
Bot
Byte
Word
Bit
Megabyte
What data query in SQL means to choose lines from tables?
UPDATE
DELETE
SELECT
CREATE
INSERT
What data query in SQL means to add a line to the table?
CREATE
UPDATE
SELECT
DELETE
INSERT
What is a system software for creating and managing databases?
design of databases
database management system
data systems
data integrity
data model
What should the user do to select the information stored in the database?
The user must update the information
The user must select the one from the list
The user must sort the data
The user shall execute a request (query)
The user must add data
Arranging data in a specific order is called
Sorting
Merging
Classification
Verification
Designing
Which selection below best describes the term data processing?
The storage of information or data
The collection of information or data
The distribution of information or data
The manipulation of information or data
The collection of devices
Which of the following is used for modulation and demodulation?
gateway
modem
multiplexer
protocols
bug
What is the term which represents the use of links between information of all sorts whether text, graphics, video, or audio-based?
Hypermedia
Hyper Card
Hypertext
Wildcard
Flashcard
What is the standard code the computer industry created to represent characters?
ASSH
BASCII
DASI
ASCII
EPROM
A sizeable geographical area with communication-based on the telephone system is though as
Local area network
Modulator-Demodulator
All of these
Advanced area
Wide area network
Condensing output data to exhibit specific information is
Summarising
Merging
Recording
Calculating
Designing
A computer in a client/server relationship, e.g., a Web browser
Ethernet
Server
Client
All of these
Bus
A computer that provides services to other networked computers
Client
All of these
WAP
Server
CPU
Serves users within a confined geographical area
Metropolitan Area Network (MAN)
Local Area Network (LAN)
Wide Area Network (WAN)
WAD
Inner area
Covers a geographic area the size of a city or suburb
Local Area Network (LAN)
Wide Area Network (WAN)
Metropolitan Area Network (MAN)
WAN
Inner area
How can a star topology be implemented while maintaining the principles of a ring topology?
Token Ring
TCP/IP
Ethernet
Inetrface
Inner area
Covers a wide geographical area, such as a state or a country
Bus
Inetrface
Local Area Network (LAN)
Metropolitan Area Network (MAN)
Wide Area Network (WAN)
Who is called the "grand father" of the computer?
Charles Babbage
Joseph Jacquard
Blaise Pascal
Dr. Herman Hollerith
Gottfried Leibnitz
A central computer surrounded by one or more satellite computers is called a
ring network
star network
bus network
hybrid network
parallel network
What is a key component of Von Neumann architecture?
Washing machine
Solar panel
Ink printer
Arithmetic logic unit
Touchscreen display
Which device sends data from a computer over a network?
USB drive
Printer
Mouse
Network Interface Card (NIC)
Keyboard
Which type of relationship is the most common in relational databases?
One-to-many
Many-to-many
One-to-one
Circular
Multiple-to-single
What is the primary key in a database?
A method of sorting records
A type of database security
A field that uniquely identifies a record
A tool used to design databases
A description of table columns
What is a data model?
A program used to write software
A method to display data on a screen
A method to display data on a screen
A specific type of computer hardware
A representation of how data is structured in a database
What is a decision tree?
A programming language
A type of computer virus
A decision support tool using a tree-like model of decisions and consequences
A graphical user interface
A method of organizing files on a computer
What is the root node in a decision tree?
It represents the entire population or sample
A command used in SQL
The final outcome of a decision
The point where data is stored
A branch that connects different databases
What is data mining?
A method of reducing data size
A process of discovering hidden patterns in large data sets
A physical storage of data
A process of encrypting sensitive information
The destruction of data by malware
What is the purpose of data analysis?
To destroy unwanted data
To increase data storage capacity
To create backup copies of data
To extract useful information from data for decision-making
To automate system processes
What is the main characteristic of big data analysis?
A processing of large and complex data sets
A manual data processing technique
A small set of data
A simple spreadsheet analysis
A method for data reduction
What is the purpose of visual data mining?
To display images of data
To store visual data like pictures and videos
To explore large data sets by combining traditional mining methods and visualization techniques
To convert text data into graphical
To create presentations using data
What is the main role of a database administrator?
To design user interfaces
To manage and maintain the database server
To create database backups
To input data into tables
To create new software applications
What is the purpose of a relational database management system (RDBMS)?
To design hardware components
To organize web pages
To create, maintain, and manipulate relational databases
To store files on a computer
To display images and videos
What is the main purpose of network media?
To provide the channel for transmitting data from source to destination
To store data in a database
To control network devices
To block unauthorized access
To display information to users
What is cybersecurity?
A social media platform
A type of computer hardware
A program for hacking
Cybersecurity is a set of tools, policies, and technologies to protect the cyber environment
A type of computer virus
What is a cyber crime?
Any criminal act dealing with computers and networks
A type of network configuration
A new encryption method
A computer game
A type of software upgrade
What is the main characteristic of 3D graphics?
They are based solely on raster graphics technology
They cannot include animations or dynamic elements
They involve the mathematical representation of 3D surfaces using specialized software
They are exclusively used in the gaming industry
They are created using only vector-based tools
What is an example of linear multimedia?
A website with interactive forms
A slideshow controlled by the user
An online encyclopedia with hyperlinked content
A video game with multiple story paths
A movie or video that plays from start to finish
Which protocol is responsible for receiving e-mail from the server?
FTP
SNMP
IMAP or POP3
UDP
Proxy Server
What type of language is Python considered to be?
Declarative, logic-based, hardware-specific language
Assembly-based, low-level, non-interpreted language
Functional, compiled, platform-dependent language
Object-oriented, interpreted, ultra-high-level language
Low-level, compiled, non-portable language
Which Python command is used to read user input as a string by default?
input()
scan()
read()
raw()
get()
Which of the following is NOT an arithmetic operator in Python?
"+"
"-"
":="
"**"
"//"
What does the expression a // b compute in Python?
Absolute value
Remainder of the division
Floating-point division
Integer (floor) division
Exponentiation
What is the purpose of the if statement in Python?
To import external modules
To handle exceptions and errors
To conditionally execute a block of code based on a logical expression
To define a new function
To repeat a block of code multiple times
Which of the following best describes Artificial Intelligence (AI)?
A hardware device for increasing computer speed
A database management system for storing large datasets
Any program written in Python
A simple calculator performing fixed arithmetic operations
A technology that mimics human intelligence to perform tasks requiring human involvement
What is GPT (Generative Pre-trained Transformer) mainly used for?
Rendering 3D graphics
Generating plausible human-like text
Compiling Python programs
Managing operating systems
Encrypting communication channels
