Skip to main content

Posts

Showing posts with the label telephone-system

What are the characteristics of image based and color based operating system?

Based on the interface, operating systems are divided into two categories, namely: (i) Text or character-based operating system (ii) Image-based operating system. Text or letter-based operating systems: In text-based operating systems, commands are executed by typing them in the command prompt according to their structure. Commands are written using letters, words, numbers, symbols, etc. To work in this system, the user needs to know the commands and syntax in advance and work by writing commands according to the syntax. Being color based this operating system is difficult and boring to work with. Commands have to be typed by keyboard only. A. Network, Internet system is not working. This system requires relatively little memory to operate, cannot run multiple programs simultaneously, supports only one user, and requires the use of a keyboard to move the cursor. No pictures, images or icons can be used in this command. Examples: MS-DOS, TOS, BOS, UNIX et cetera. Characteristics of tex...

How does the price go up and down in the crypto market?

1. When Bitcoin is up, Altcoins are also up. 2. When Bitcoin Down, Altcoins Down. 3. Bitcoin is up but Altcoins are down. 4. If Bitcoin is stable, altcoins will go up. 1. Situation explain: When bitcoin goes up in 1 number situation, altcoins also go up. This situation happens only when the total market capitalization is very low. Then new investment is needed to increase the market cap. When new money comes to the new investment market, the market cap starts increasing. That is why the investment in altcoins starts coming with the increase of Bitcoin, so the altcoins also start increasing. If the Bitcoin chart is bullish then the market is making money. With bitcoin, the price of altcoins goes up. In such a situation, if you see that the market cap is decreasing, then suddenly there is good news in the market, if bitcoin is bullish, then you will understand that new money will come into the market. After that, if bitcoin and the market price increase, then the altcoins are technical a...

What is computer networking? How do computer network protocols work?

Computer Networking  Computer networks are an important system of communication in today's world. A computer network refers to the connection between two or more computers. The special system in which data transfer, electronic mail transmission, teleconference etc. is done quickly through cable, modem or satellite is called a computer network. Concept of Network: A network can be created by connecting small, low-power microcomputers to a powerful or high-powered server-rich computer. Computers can be side by side, in the same nearby location, or from one city to another, or even from one country to another. The networking process started through the computer network Mini and Mainframe Computer but nowadays personal computer is widely used for networking. The interconnection and ability of multiple computers and other devices to work together in offices, courts, educational institutions or other workplaces under computer networks has brought revolutionary mobility to information exc...

How does mobile phone jammer work? - Everything about cell phone signal jammers!

Mobile Phone Jammer We know cell phones have become such an essential device that if you accidentally forget to wear a shirt when you go out, don't forget to keep a mobile phone in your hand. Such things could not have been imagined just a few decades ago, but now you can call Bindas anytime anywhere in the world using cell phones. But unfortunately, places like shopping malls, restaurants, mosques, movie theatres, etc. often suffer because of cell phones, because many people do not realize where to talk and where not to talk. In mosques, "Please turn off cell phones" - even after posting notices, it doesn't work, many people don't care. And this time cell phones or mobile phone jammers can prove to be quite useful devices. Mobile phones work on radio waves, and since radio waves can be easily interrupted or jammed, this is how cell phone jammers are used. In this article, I have described how a radio signal jammer works, where it is used and whether it is legal o...

What is data analysis? How to do data analysis? What is data analysis software?

Data Analysis Data analysis is a process of data inspection or observation, refinement, transformation and modelling, with the aim of drawing attention to necessary or useful information, proposing analytical conclusions and supporting decision making. There are many components and methods of data analysis. It may include subjects such as technology, business, science and sociology etc. with diverse names. Data mining is a specialized data analysis technique, which focuses on discovering specific knowledge from databases. Business intelligence relies on the support of data analysis, which mainly provides insight into business information. Some researchers have divided data analysis into three categories for statistical applications. They are- (i) Descriptive Statistics: In descriptive statistics, the amount of collected data is analyzed in various ways, such as Central Tendency (Measure, Median, Proportion), Deviation, Synthesis, Regression, various types of graphs and charts etc. (ii)...

What is data coding and data integrity? Rules of data coding? What are the objectives of data coding?

Data Coding  Code is an abbreviation of a full name. A code is an abbreviation for the name of something. Data coding is the process of abbreviating something using numbers, shapes, or symbols to create a unique signal. Data coding increases work efficiency and accuracy of data processing results manifold. Purpose or Benefits of Data Coding: The need for data coding is very important in processing data with the help of computer. As a result of data coding, there are many benefits in program writing and processing. Following are the objectives or benefits of data coding --  (i) Data can be presented easily and concisely.  (ii) Data coding takes less space in computer memory. (iii) Less chance of error in data typing and saves typing time. (iv) Data coding also speeds up processing. (v) It can easily categorize information. (vi) It helps to keep information confidential. (vii) It enables disclosure of confidential information. Rules of Data Coding: The importance of data ...

What is System Restore and Backup? How to do?

System restore and back-up In order to protect the computer system from accidents, backup of all software or necessary software must be done at certain intervals. This backup file should be kept on a computer separate from the system. It is safer if the computer where the backup is kept is at another geographical distance. Because, this remote computer may not be disabled or destroyed in any natural disaster. In Windows system, select System restore or Backup from System Tools under Program/All Program menu from Start menu. Following this wizard and selecting the desired option will result in a system backup. System Restore: To restore the system, you need to keep a system backup. By knowing the location of this backup file, system restore should be started. In the wizard system, from the Start menu, Program / All Program menu, Accessories, System Tools, System Restore or Backup must be selected. Then the following window will appear. System restore can be done by selecting the desire...

What is Boolean algebra?

Boolean Algebra: In 1847, an English clergyman named George Bull discovered an algebraic theorem based on binary systems for designing logic circuits, known as Boolean algebra. Boolean algebra is used to design logic circuits. Boolean algebra is operated by two operators OR (+) and AND (.). There are three basic processes in Boolean algebra, respectively—  (i) OR (Logical Addition)  (ii) AND (Logical Multiplication)  (iii) NOT (Logical Inversion) To implement these three processes, there are three types of logic circuits called OR, AND and NOT. Circuit) is used.

What is the number system? What is number system and how many types and what are they?

Number or Number System: The method by which numbers are calculated or expressed is called number system. These numbers are processed through various mathematical processes to complete the necessary calculations. The number system we commonly use is called the decimal number system. For example 40, 1, 2, 3, 4, 5, 6, 7, 8, 9. Types of Number Systems: Number systems are generally divided into four categories, such as  (i) Decimal or Decimal Number System  (ii) Binary Number System  (iii) Octal Number System  (iv) Hexadecimal Number System  (i) Decimal Number System: We usually use decimal number system. The number system whose base is ten (10) is called the decimal number system. The numbers are 0, 1, 3, 4, 5, 6, 7, 8, 9. This practice first started in ancient India. Example:  (i)10 is a decimal number.  (ii) Binary Number System The base of the number system is two (2), that is called binary number system. Also called boolean/binary number system. The n...

What should the processor look at?

The things that we all should keep an eye on are the processor or not; 1. Clock speed 2. Number of course 3. cache memory 4. FBS 1. Clock Speed: It is also called GH2. All processors are written on. Clock speed means how fast your computer can work. That's what this signal means. The speed of the processor is known through this clock speed, how fast the calculation can be done. 2. Number of Cores: The more cores the processor has, the faster the processor can work. If I give an example to explain the matter, I hope you can understand it very easily. Suppose if a person had many hands, then he could do many things at the same time. That is, if we go to the market and buy a smartphone, then we will see what the configurations of the phone are. If we look closely at the configuration of the smartphone, we will see that Dual Core Processor, Quad Core Processor, Octa core processor, Hexa core processor, Deca core processor. This means that the dual core processor has two arms or cores, ...

Mobile telephone system, mobile unit or set, roaming contact ?

Mobile telephone system A system designed to exchange data and information between two mobile devices or one mobile and one fixed device is called a mobile telephone system. The mobile device is called Mobile Station (Mobile Station or MS) or Mobile Unit or Mobile Set and the fixed device is called Land Unit. A mobile service provider divides its coverage area into smaller segments. Each division is called a cell. From this cell another name of mobile phone has been given as cellular phone. A cell consists of an antenna and a small office, the small office with the antenna is called a base station. Each base station is controlled by a mobile switching center from where call connection, call information recording, billing system are controlled in a computerized manner. Cell size usually depends on population density. Cell sizes can typically range from 1 mile to 12 miles. Cellular phones are now also known as mobile phones. Nowadays, data such as audio, video, image, text etc. can be ex...