What Is Substitution Cipher Technique? In cryptography (the science of writing, analyzing and deciphering codes), a substitution cipher is a method of encryption by which units of plaintext are replaced with other symbols or groups of symbols in accordance with a fixed set of rules. These plaintext units may be individual letters or characters, letter … Read more
Function Overloading When we have multiple functions with the same name but different parameters, then they are said to be overloaded. This technique is used to enhance the readability of the program. There are two ways to overload a function, they are: Having different number of arguments Having different argument types. Function overloading is normally … Read more
What Is Structure In C? Structure is a group of variables of different data types represented by a single name. Similar to array structures are used to represent a collection of data items but of similar and different types using the single name. Structure is a user-defined datatype where we have to design and declare … Read more
What Is ADO? ADO is the acronym for ActiveX Data Objects. It is an application program interface from Microsoft that allows a programmer writing Windows applications get access to a relational or non-relational database from both Microsoft and other database providers. ADO acts as a layer to access any data stored in a generic manner … Read more
What Is An Array? Arrays are a kind of data structure that can store a fixed-size sequential collection of elements of the same type. An array is used to store a collection a collection of data, but is often more useful to think of an array as a collection of variables of same type. Arrays … Read more
What IS Delta Modulation? A Delta Modulation (DM) is an analog-to-digital and digital-to-analog signal conversion technique used for transmission of voice information where quality is not of primary importance. In DM each segment of the approximated signal is compared to the preceding bit and successive bits are determined by this comparison. Features of Delta Modulation … Read more
Microsoft Excel is a powerful spreadsheet software that consists of various components, including workbooks and worksheets. This software tool has become an essential part of many workplaces, academic settings and personal projects. Well, let us talk about, Excel Workbook And Excel Worksheet in the context of their purpose and functionality. What Is Excel WorkSheet? An … Read more
A voltage regulator is an electronic device which can sustain the voltage of power supply within required limits. When a reliable and steady reliable is required, then the voltage regulator is the preferred device. It gives a fixed output voltage that remains constant for any changes in an input voltage or load conditions. It acts … Read more
What Is System Unit? The computer system unit is the enclosure for all the other main interior components of a computer. It is also referred to as the computer case, computer chassis or computer tower. Cases are typically made of steel or aluminum, but plastic can also be used. While most computer cases are rather … Read more
What Is Opening & Closing In Image Processing? Opening and closing are two important operators from mathematical morphology. They are both derived from the fundamental operations of erosion and deletion. Like those operators they are normally applied to binary images, although there are also graylevel versions. Opening is generally used to remove small objects from … Read more