英语翻译
programs and date are different,existing only as electronic pulses stored in memory.Software is a general term for programs.Software ,in contrast,can no be seen ,touched,or felt.It is a series of instructions that guides a computer through some processes.Computer software can be divided into two very broad categories-systems software and applications software.The,former is often simply referred to as"systems"these,when brought into internal memory,direct the computer to perform tasks.The later may be provided along with the hardware by a systems supplier as part of a computer product designed to answer a specific need in certain areas.Application programs also allow you to perform such tasks as so solving statistical programs,keeping your company's books or playing a computer game.