Describing Functions and Uses What functions can be performed? The computer is a machine that performs tasks, such as mathematical calculations or electronic communication, under the a control of a set of instructions called a program. Programs usually reside within the computer and are retrieved and processed by the computer's electronics, and the program results are stored or routed to output devices, such as video display monitors or printers. Computers are used to perform a wide variety of activities with reliability, accuracy, and speed 。。00。0。0000●。0。。。000。00●。0●0。。。00。0。00。。0。0●。0。0。000。●0●What functions can be performed? The computer is a machine that performs tasks, such as mathematical calculations or electronic communication, under the control of a set of instructions called a program. Programs usually reside within the computer and are retrieved and processed by the computer’s electronics, and the program results are stored or routed to output devices, such as video display monitors or printers. Computers are used to perform a wide variety of activities with reliability, accuracy, and speed. Describing Functions and Uses