What is a computer program? Computer programs consist of a set of commands that the computer must execute. The computer executes the commands as it reads the file (from top to bottom) until it reaches ...

A computer is a machine that executes a pre-written program—essentially a series of operations. This program is stored in memory, and the operations are carried out by the processor.

Next time you get frustrated with your computer because it won’t obey your command in less than a second, you might want to remember just what exactly is going on behind that screen.

How does it work? COMPUTER security has become a growing concern, with criminals using increasingly sophisticated software to steal personal information and passwords.

How does computer memory work? To truly understand how computer memory works, we must first examine the basic building blocks that make it possible: transistors and logic gates.

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input ...

On a modern computer, there may be hundreds or even thousands of potential host programs. Scanning every one of these programs every time the virus scanner is run would take an unreasonably long time.

How Does a CPU Processor Work?. Every computing device from simple toys to large business systems have an essential component called the central processing unit. The CPU performs calculations ...

RAM, or Random Access Memory, is what your computer uses to multi-task. Most devices with any kind of computer inside, whether it’s a PC, laptop, smartphone, or game console, will require a ...