A set of instructions that a computer uses to accomplish a task is a .
A specific type of computer program that manages the other programs on a computer is an .
Computer programs installed on the hard drive of a computer, such as Microsoft Excel and Adobe Photoshop, and that typically have hundreds of features and take time to learn and use efficiently, are referred to as apps.
The hardware and software environment for smaller-screen devices such as laptops, tablets, and smartphones is referred to as a mobile device .
The growing network of physical objects that have sensors connected to the Internet is called the .