AND Gate
An AND gate is the physical realization of logical multiplication (AND) operation. It is an electronic circuit that generates an output signal of 1, only if all input signals are…
Logic Gates
ll operations within a computer are carried out by means of combinations of signals passing through standard blocks of built-in circuits known as logic gates. In other words, a logic…
Complementation
Truth table for logical AND (.) operator.OR andAND are binary operations because they operate on two variables. Complementation is a unary operation defined on a single variable. The symbol ‘-‘…
Logical Multiplication
The symbol ‘.’ Is used for logical multiplication operator. It is also known as ‘AND’ operator. We can define the symbol (AND operator) by listing all possible combinations of A…
Logical Addition
The symbol ‘+’ is used for logical addition operator. It is also known as ‘OR’ operator. We can define the + symbol (OR operator) by listing all possible combinations of…
Boolean algebra and Logic Circuits
Boolean algebra deals with binary number system. It is very useful in designing logic circuits used in processors of computer system. In this chapter, you will learn about this algebra…
Virus
Virus is a program which has been written to interfere with the normal functioning of the computer. It does this by clogging the memory of the system by making copies…
Create a new folder
Folders help you to organize your files. You can create a folder either by using My Computer window or through Windows Explorer. You can create a Folder in any existing…
Opening drives and folders
Two drives nearly all computers have are a floppy drive (drive A:) and a hard drive (drive C:). If you have more than one drive, then they are named D:,…
How to use a memory stick
USB memory sticks, also called pen drives or flash drives, are becoming more and more popular for the temporary storage and transfer of large amounts of electronic data. They should…
