1-150 Flashcards
Учить
A database management system based on the concept of ownership is
network database system
The term MIPS refers to
million of instructions per second
The primary memory of a personal computer consists of
both ROM and RAM
A software package to implement a data base is
DSMS
Methods used to organize and physically store disk data are cylinder and
Sector
History of computers. ENIAC
Electronic Numerical Integrator and Computer
The term “memory” applies to which one of the following
storage
History of computers. First Generation of Computer
1946-1959
In digital computer, all the expressions are coded into
binary digits
Choose the right group of extensions for text files-
Avi, .mov, .mpeg
Which functional component of a computer is responsible for the computing?
CPU
Internet protocols consist of a suite of communication protocols
TCP/IP
Multimedia is a combination of
text, art, sound, animation, and video
The area of computer science which is concerned with the display of pictures is
graphics
When the user is given the option of controlling the elements
Interactive Multimedia
A microprocessor chip used in a PC system- performs the arithmetic
logic and control sunctions
What is not a components of computer system?
Microsoft Word
Which of the following is a communication network that is devoted to carrying computer information
Data network
Internet protocol. Moves files between devices
File Transfer Protocol (FTP)
Transfer Control Protocol (TCP) breaks data into small pieces of no bigger than
1500 characters each
Select examples of input device
keyboard, mouse
Dot-matrix is a type of
Printer
ASCII
American standard code for information interchange
A format of multi-color photos with a high degree of compression is
.jpj/.jpeg
Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU?-
Memory
Cloud computing. Two technologies for Agility
virtualization
The term kilobytes refer to
1000(1024)
MS Excel. If you have in cell this ######. What does it means
the cell is not wide enough
DBMS MS Access. How many the type of links you know
(.accdb),(.mdb),(*.accdt)
DBMS MS Access have at least two ways to create
Create Database from Template. Create a Blank Database.
The main elements of the database structure?
tables, forms, queries, reports
The title tags that define the text inside the start and end tag and describes the document header?
1.<html> defines an HTML document.*
2. <body> defines the document’s body
3.<h1>to <h6> defines header 1 to header 6
4. <p> defines a paragraph
5. <br></br> inserts a single line break
6. <hr> defines a horizontal rule
*7. <!—> defines a comment
Operating system. Vertical applications are used for specialized fields
Vertical applications is the term used at W3C to denote particular, generic application areas, specific communities, etc, that explore how W3C technologies (e.g., Semantic Web technologies) can help their operations, improve their efficiencies, provide better user experiences, etc.
A collection of tables is stored together and connected to each other, or is it a special electronic storage related data:
database
Word processors, spreadsheets, and database programs:
Word Processors,Spreadsheets,Databases
Outline historical evolution of the computer, the modern ages since:
1880
A computer on the Internet that hosts data, that can be accessed by web browsers using HTTP is known as
web server
Super-computers
А supercomputer is a computer with a high level of performance as compared to a general-purpose computer
decimal equivalent of binary number 101011.101 is
43.625
Which major development led to the production of microcomputers?
Integrated circuits
Find audio file extensions
(.awb Аудио файл AMR-WB Редко используется
.bin Формат рингтона Nokia Редко используется
.bwg Аудио файл BrainWave Generator Редко используется
.cdr Аудио-файл звуковой дорожки на CD)
A(n) ____ device is any device that provides information which is sent to the CPU:
input device
Types of Computers. Are used by government and businesses to process very large amounts of information
Mainframe
A computer in a client / server relationship, such as a web browser.
Mainframes…are used by government and businesses to process very large amounts of information
A computer that provides services to other networked computers
network host
It is the programs and applications that tell the computer what to do and how to look.
Software
Important Dates in the History of the Data Communications. Invention of the telegraph:
1837
Is volatile memory found on the motherboard and stores the operating system, the software applications, and the data being used by all of the software
RAM
Software that allows users to create and manipulate documents containing mostly text and sometimes graphics:
Word processins
a discipline concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them
Define Human-Computer Interaction
Interaction between users and computers occurs at the user
interface
What is Microsoft Internet Explorer
Browser. is an Internet browser that allows users to view web pages on the Internet. Users can also utilize Internet Explorer to listen to and watch streaming content, access online banking, make purchases over the Internet, and much more
Third generation of computers
1965-1971
very large storage capacity . long bit processor builds. Artificial intelligence language developed
Hard drives; bite; python, lisp, r programming, prolog smalltalk
There are historical evidences to prove that abacus was first used in
China
Which of the following is the fastest?
CPU
What is the name given to the 8-bit unit used for coding data?
Byte
One host tipically house many virtual servers:
One widely used application is shared web hosting. The price for shared web hosting is lower than for a dedicated web server because many customers can be hosted on a single server. It is also very common for a single entity to want to use multiple names on the same machine so that the names can reflect services offered rather than where those services happen to be hosted.
Which term is not used to describe the memory component of a computer
SAM
It is a piece of computer software, firmware or hardware that creates and runs virtual machines?
Hypervisors
The term kilobytes refers to
1024 bytes
An automatic machine that performs routine seemingly human tasks is
Robot
It is a general term used to describe a new class of network based computing that takes place over the Internet
Cloud Computing
Programmed instructions to the computer is known as
Code
An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as
A touchpad or trackpad is a pointing device featuring a tactile sensor, a specialized surface that can
translate the motion and position of a user’s fingers to a relative position on the operating system that is made output to the screen.
Which of the following are the two main components of the CPU?
The main components of the CPU are:
an arithmetic logic unit (ALU) that performs basic mathematical and logical operations;
Control device (CU), on which the consistency of the operation of the CPU components and its connection with other devices depends;
Data buses and address buses;
Registers that temporarily store the current command, initial, intermediate and final data (results of ALU calculations);
Command counters;
The cache memory stores frequently used data and instructions. The access to the cache memory is much faster than to the RAM, therefore, the larger it is, the higher the CPU speed.
Using Internet technologies to transform key business processes
E-business
what is HTTP
is an application layer protocol for distributed, collaborative, hypermedia information systems
A request for proposal (RFP) for creating and text documents, graphics, and illustrations, called the
Graphic design
It is the language most widely used on Web to develop web pages
JavaScript
What is a common language that computers use to talk with one another on a network
Protocol
What difference between start and end tags in HTML
The closing tag is formed by adding a slash / before the tag name: <tag> ... </ tag name></tag>
A 64 bit microprocessor has the word length equal to
8 bit
HTML. This tags, which frame the entire tabular specification
<html> </html>
– Начало и конец страницы
The decimal equivalent of the binary number 1011001 is
(1011001)^2 = (89)10
A collection of files storing related data
A file is a collection of related data or information that is stored in a secondary storage device.
Which of the following memories must be refreshed many times per second
Dynamic RAM
The third generation of computers covers the period
1965-1971
Levels of Abstraction in Database. Physical level describes
how a record (e.g., instructor) is stored.
A digital device that processes data is known as
Data processor
A generalized software package produced to meet the bugs of a variety of data processing users is known as
Application package.
Third generation computers
IBM-360 series. Honeywell-6000 series. PDP. IBM-370/168. TDC-316.
To set a register or counter to the all-zero-state is
Reset
Concepts of database. Column in database it is means
Field
Concepts of database. Row in database it is means
Record
Instructions and memory addresses are represented by
Binary codes
Importance of Multimedia. Business
use and Applications-There are a number of areas where multimedia can be useful. Multimedia is used in various fields such as mathematical, technology, medicine, business, education and entertainment. Use and bonuses in business : sales, Marketing presentations, trade snow products, applications for staff training, company kiosks, and of course IT technologies.
Main storage is also called
Main storage is also called memory
Which printer is very commonly used for desktop publishing?
Laser printer
It is area computers with the ability to mimic or duplicate the functions of the human brain
Artificial Intelligence (AI)
Mechanical and computer devices that perform tedious tasks with high precision
History of computing hardware
Programming computers to play games such as chess and checkers
Machines That Play (Checkers)
Programming computers to understand natural human languages
Artificial intelligence
The intersection of a column and row in a spreadsheet is called a bon or
Cell
A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?
Icon
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?
Buffer
The decimal equivalent of the binary number 100100 is
Binary:100100=Decimal -36.0
The basic components of a computer
Input unit,output unit,storage unit,Central Processing unit(CPU),Arithmetic and Logic unit (ALU),control unit,main/internal Memory
Which type of processing that produces output results immediately after input data are entered into a computer system
INTERACTIVE
HTML. This tags creates a scrolling text
<marquee>
</marquee>
Turing machines inspired the construction of the first computers, which were based on the-
Mathematical model of computation,abstract machine,computer algorithm
Which device is NOT peripheral devices
Operating memory,CPU,Mainboard,Memory,Storage or Hard disk prive
Excel document is saved as a file with the extension
Legacy,OOXML,.xlsx – Excel workbook,Other formats
A new technology which provides the ability to create an artificial world and have people interact with it is called
virtual reality
Conversion of an binary number 11010110 to decimal number is
(11010110)2 = (214)10
Data analysis. Visualization role is include
Visual elements like charts,graphs,and maps
Multimedia is made up of two words
Multi+media
Which ofthe following persons probably has the least amount of technical knowledge?-
user
The von Neumann model consists of five major components
Memory,Processing Unit,Control Unit,Input / Output Devices,Instruction Cycle
Which of the following best describes a computer-based information system?-
A system in which a computer is used to turn data into information
A step-by-step procedure used to solve a problem is called
Algorithm
Point out the odd item amongst the following
Printer
Internet technologies. CERN and Tim Berners-Lee demonstrate the World Wide Web in year of
1989
An error in computer data is called
Bug
Which of the following terms describe 1024 kilobytes-
1 megabytes
A prewritten program that’s sold to perform a common task is called an application
Package
Major branches of Artificial intelligence. A system that approximates the way a human sees, hears and feels objects
Artificial intelligence
Which of the following is used as “Input device” for the computer
Light pen
The people, procedures, hardware, software, data, and knowledge needed to develop computer systems and machines that demonstrate the characteristics of intelligence
ARTIFICIAL INTELLIGENCE include
Primary storage is _____ as compared to secondary storage
Fast and expensive
What is the standard code the computer industry created to represent characters?
ASCII
What is the term which represents the use of links between information of all sorts whether text, graphics, video or audio-based?
Hypermedia
Major Branches of Artificial intelligence. Computer system that can act like or simulate the functioning of the human brain
Neural Network
A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
Euronet
Cyber-Physical Systems perspective. Which sector include opportunities about artifact that fly faster and further on less energy
я хуй знает
Offline device is
a device which is not connected to CPU
What is technologies includes cameras, tape recorders
Camcorder
Computer cannot do anything without
Program
DBMS MS Access. Object designed for printing data called
Report
Programmed instructions to the computer is known as
code
Which of the following is used for modulation and demodulation?
Modern
Which kind of storage device can be carried around?
Floppy Disk
A step-by-step procedure used to solve a problem is called
Algorithm
There are two basic parts that make up a computer
Hardware and software
The process of writing computer instructions in a programming language is known as-The process of writing computer instructions in a programming language is known as
Coding
The decimal equivalent of the binary number 110101 is
53
Types of vertical applications
Enterprise applications, Enterprise Resource Planning (ERP), customer relationship management (CRM)
Application Software. Combined several types of software into one program or package, it is
Integration
What does it means is abbreviation GUI
Graphical user interface
What is the name given to the molecular-scale computer
Nanocomputer
The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
Microprocessor (Most modern CPUs are microprocessors, meaning they are contained on a single integrated circuit (IC) chip)
It is type of computer programming language that allows programmers to make web pages
PHP
The earliest device that qualifies as a digital computer is
Abacus
What is a Browser?
A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web.
MS Excel. The maximum numbers of worksheets
Limited by the amount of RAM available (3 sheets by default)
Time during which a job is processed by the computer is
Execution Time
All formulas in Excel must begin with the character
All Excel formulas begin with an equal sign (=)
Identify common graphic file extensions
RAW, JPG , TIFF , JPEG (or JPG),
PNG ,GIF, PSD ,PDF, EPS, AI ,INDD
MS Excel. Which type of cells, when you copy a formula from one cell to another cell automatically change the address included in the formulas.
Excel changes the reference to a cell in a formula that you copy to another location.You can make sure that the cell reference in the formula does not change by creating an absolute reference
A computer program that instructs other programs to perform a particular type of operation is
System software
