a string is a data type found in computer programming that consists of alphanumeric characters (letters and numbers). a string can be described as a sequence of characters, words, or other meaningful symbols. the characters in a string are stored together as one unit and can be manipulated ...
What is a Computer? 什么是计算机? Computers are machines that can be used for performing calculations automatically.They can perform complex and repetitive procedures quickly,precisely and reliably and can quickly store and retrieve large amounts of data. 计算机是可以用来自动执行计算的机器.计算机可以迅...
In computer science, a string is a fundamental data type used to represent text, as opposed to numeric data types like integers or floating-point numbers. It contains a sequence or "string" of characters, which may include letters, numbers, symbols, and spaces. In most programming languages,...
Last Updated: Mar 17, 2025 A computer is a machine that can store and process information. Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information. Computers come in many different ...
What is a computer connected to a server? A computer connected to a server is one that is capable of accessing data and services provided by the server. The computer may access the server over a local area network (LAN) or wide area network (WAN), depending on its location. This connect...
What is a computer virus? A computer virus is a type of malware that attaches itself to other programs, self-replicates, and spreads from one computer to another. When a virus infects a computer, it makes copies of itself and attaches to other files or documents. It then modifies those ...
A computer is a programmable machine capable of executing a programmed list of instructions, acceptinginput, and returningoutput. While many mechanical devices can technically function as computers, the term commonly refers todigitalelectronic computers. ...
In its most basic form, a computer system is a programmable electronic device that can accept input; store data; and retrieve, process and output information. Evolution of computer systems Computers are programmable electronic devices that can process data. To comprehend what a computer system is,...
what distinguishes the least intelligent of humans from the most intelligent of machines. A computer works with symbols. Its program specifies a set of rules to transform one string of symbols into another. But it does not specify what those symbols mean. Indeed, to a computer, meaning is ...
A computer instruction is an order given to a computerprocessorby a computerprogram. At the lowest level, each instruction is a sequence of 0s and 1s that describes a physical operation the computer is to perform. Computer instructions typically have three fields. These include an operation code...