Computer software, or simply software, also known as computer programs, is the non-tangible component of computers. It represents the set of programs that govern the operation of a computer system and make the hardware run. Computer software contrasts with computer hardware, which is the... MORE
Computer software, or simply software, also known as computer programs, is the non-tangible component of computers. It represents the set of programs that govern the operation of a computer system and make the hardware run. Computer software contrasts with computer hardware, which is the physical component of computers. Computer hardware and software require each other and neither can be realistically used without the other. Computer software includes all computer programs regardless of their architecture; for example, executable files, libraries and scripts are computer software. Yet, it shares their mutual properties: software consists of clearly defined instructions that upon execution, instructs hardware to perform the tasks for which it is designed. Software is stored in computer memory and cannot be touched, just as a 3D model shown in an illustration cannot be touched. At the lowest level, executable code consists of machine language instructions specific to an individual processor – typically a central processing unit. A machine language consists of groups of binary values signifying processor instructions that change the state of the computer from its preceding state. LESS
The ephemeral messaging apps space dominated by Snapchat keeps growing. Now it seems Facebook is adding to the trend again — in a whole new way. In a question and answer section on Facebook, the company now describes how to set a post you've published to expire, a process that allows the message to disappear. Not everyone can do it, however. Under the question "How do I post something and set it to expire?" Facebook's new answer cautions that "setting posts to expire is only available in some areas right now." A Facebook spokesperson told Mashable, "We're running a small pilot of a feature on Facebook for iOS that lets people schedule deletion of their posts in advance." The company didn't offer further details on how the process works.
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