The Tech Storror

Translator Program Computers cannot understand source programs written in assembly language and high level languages. Because computers can only understand machine language (programs written using 0, 1). So assembly language and high level language have to be converted into machine language. The programs that convert source programs written in assembly language and high level language into machine language are called translators. There are basically three types of translators, namely- (i) Assembler (ii) Compiler (ii) Interpreter Assembler: Translator is used to convert the program written in assembly language into machine language. Compiler: Compiler is a type of translator which converts the entire program written in high level language into machine language, corrects any errors/bugs in the program and adds necessary auxiliary fouls to the executable file. transforms Interpreter: The translator program that converts the source code of the program written in high level language line by...

Network Sharing and Security Network Sharing: Network sharing is a feature that allows sharing of resources over a network, such as files, documents, folders, media, etc. It is made accessible to other user computers on networks. Network sharing enables data to be accessed across multiple devices or at the same time. By connecting a device to a network, other user devices on the network can share and exchange information through the network. File Sharing: File sharing is the practice of distributing or providing access to digital media, such as computer programs, multimedia (audio, images, and video), documents, or e-books. File sharing can be saved in different ways. Common methods of storage, transmission, and dissemination are manual sharing uses such as removable media, centralized computer servers, web-based hyperlinked documents, and distributed peer-to-peer networking. Network Sharing in Windows Operating System: Windows 7 and Windows 8x have the same network sharing settings...

Data Transmission System Asynchronous Transmission: A data transmission system in which characters are transmitted from sender to receiver is called asynchronous transmission. In this method the sender does not require any primary storage medium for data transmission. Main features of asynchronous data transmission: (i) The sender does not require any primary storage device for data transmission. (ii) In this method of data transmission the sender can transmit the data at any time and the receiver can also transmit it. (iii) In this method of data transmission, the time between the transmission of one character and the transmission of another character may vary rather than be equal. (iv) Each character has a start bit at the beginning and end transmission is also called start/stop transmission. Advantages, Disadvantages and Uses of Asynchronous Data Transmission Advantages of asynchronous data transmission: (i) At any time the sender can send data and the receiver can receive it. (ii) ...

Modulation and Demodulation Modulation Audio or video waves received through transducers, known as signal webs, are difficult to transmit over long distances. High frequency carrier waves are used to transmit these signal waves over long distances as radio waves. The amplitude, frequency or phase of this carrier wave is changed according to the instantaneous value of the signal wave. Such changes are called modulation. In other words, mixing the signal with the carrier wave is called modulation. Modulation is mainly of two types, namely Amplitude Modulation (AM) and Frequency Modulation (FM). Use of Modulation: How far a real signal can be transmitted by a transmitter depends on two factors, namely -- (i) Transmitting Frequency (ii) Transmitter Power Modulation is used to send the signal farther. Different types of modulation methods: (1) Amplitude Modulation (AM) (ii) Frequency Modulation (FM) (iii) Pulse Modulation (PM) (iv) Frequency Shift Keying (FSK)  (v) Quadrature Amplitude ...

Wireless media: Wireless communication is a type of communication system that does not require any type of cable. In wireless communication, the sending device connects one computer to another computer or one device to another device through the radio web. Characteristics of Wireless Media: Wireless media do not use electrical or optical conductors or wires. In most cases, the Earth's atmosphere acts as the physical path for data transmission. Wireless systems are used when there are obstacles in the way of data transmission and installation of wired media is problematic. The three types of wireless media are -- (i) Radio Wave  (ii) Microwave   (ii) Infrared Radio wave: Network data is transmitted through radio transmission in the same way that signals are transmitted in radio. In this case every computer in the network can receive the signal sent by it. Radio wave frequencies are limited to 10 kHz to 1 GHz. The limited electromagnetic spectrum between 10 kilohertz and...

Transmission media: When a PC communicates or wants to communicate with another PC, it has to take the help of some transmission media. The most commonly used media in the network are twisted pair cable, coaxial cable, fiber optic cable. Nowadays, the use of optical fiber is increasing greatly. Radio wave, microwave and infrared technologies are prominent among wireless media. Among these mediums, optical fiber has the highest data transfer speed. The type of medium used in a network depends on the type and location of that network. The connection system for exchanging information between the sender and the remote receiving end is called a channel. The means or methods used to implement the channel are called media. such as-- (i) Cable or wire. (ii) Common telephone lines. (ii) Radio waves. (iv) Microwave. (v) Geo-satellite systems etc. Cable or Wire: Cable is an important medium in data communication. Cables are generally used for data transfer over short range networking such as LAN...

  Your one like is equal to 10 likes -- Normally, you've often seen a status keep coming back and forth in your news feed, causing you to get annoyed like I did. But the question is, why are they coming back to my news feed again and again? Everything is maintained by a system. And if I explain it to you through an example, then it should not be difficult to understand Are you noticing one thing of this nature? If the supply of nutrients in a person's body is not sufficient or if he does not eat properly Then he will get sick due to a lack of various nutrients and if he gets sick he will go to the doctor. The doctor will give him different medicines and different treatments. It's a system. If you don't eat you will get sick, if you get sick to go to the doctor, the doctor will give you medicine and in this way, you will see a better doctor if you don't decrease in a doctor. In this way, you will proceed according to the system step by step. Now let's talk about ...

Clasification of computer network Computer communication, information sharing, electronic mail, electronic libraries, bulletin boards, etc. using computer networks are increasing in prevalence and spread. As a result, different types of networks are used in different countries of the world today. That is why the computer networks used in the world are classified from different points of view: namely-- (a) Classification of Networks by Ownership : (i) Private Networks and (ii) Public network. (b) Computer network according to type of work According to the type of work computer network can be mainly divided into three parts. These are- (i) Peer-to-peer network (ii) Client-server network (iii) Hybrid network (c) Classification of networks according to geographical extent : (i) Personal Area Network (PAN) (ii) Local Area Network (Local Area Network-LAN) (iii) Metropolitan Area Network (MAN) (iv) Wide Area Network (Wide Area Network-WAN) In general, network segmentation refers to the classi...

Protocol: A protocol is a set of rules by which a computer communicates with another computer. Protocol is also called by some as the language of network. That is, the accepted rules for proper communication between networked computers are called protocols Introduction to Communication Protocol : A computer network connects numerous computers. System means computer, terminal, remote sensor or device that can receive data. Now the equipment may not be manufactured by the same manufacturing company. After data is sent from one system and flows through the network, the system must be built, the network established, and the software developed to be received accurately and intelligibly by the other system, but following the rules. If the software vendor companies develop software following the protocol, it will be possible to communicate between the computers of all the companies. After all, the protocol is a standard for establishing communication between the computer and the terminal. L...

Types of Networks Based on Distance Types of computer networks according to the extent: Based on the location of the computers used in the network system, that is, depending on the geographical extent, computer networks are mainly divided into four parts; namely-- (i) Personal Area Network or PAN (PAN) (ii) Local Area Network or LAN (LAN) (iii) Metropolitan Area Network or MAN (MAN) (v) Wide Area Network or WAN. PAN, LAN, MAN and WAN  -- Personal Area Network or PAN: The full name of PAN is Personal Area Network. A system of personal devices near a person is called a Personal Area Network or PAN. However, devices connected to the network may not be private. Pans are typically several meters (10 m) wide. Pan can be connected by USB Bus and Fireware Bus. Among the devices used in PAN are laptops, PDAs, mobiles, printers etc. -- Local Area Network or LAN: If one or more computers are networked in a specific building or campus, then it will be known as a Local Area Network. Its abbrevi...

Basic Concept on Computer Network Network A network is a system where everyone can share information or work together. For example, suppose the postal department delivers letters across the country. For this the postal department has a nationwide network. They have different offices in different places in this network, there are some rules and regulations. Here every part of the network is working. If the postal department does not have such work then they cannot work. Such networks can be used in the case of computers. Network consists of different devices, which are connected by different communication links. Devices can be computers, printers etc. A computer is part of a network when it is connected to one or more other computers to share information. A minimum of two computers is required to network. Apart from that, the rules of how one computer will communicate with another computer, what their language will be, etc. are specified in advance. Computer network A computer network i...

Communication model : In the early days of computer networking, various manufacturers made communication software in their own way. Due to the different protocols of these hardware-based software, the software made by one company could not exchange data with the software made by another company. This would be a big problem. Later, a committee was formed from ISO (International Standard Organization) to eliminate this problem. This committee created a protocol model called OSI (Open System Interconnection) to create standard standards for harmonizing all communication software. This model is known as communication model. OSI (Open System Interconnection) Model: The OSI model describes how communication between computers and other networking devices will be developed. The International Organization for Standards (ISO) started working on this model in 1974. The need for the OSI model is felt so that different networking device manufacturers can produce their devices following the same sta...