now , we have great pleasure in troducing you our company. our company is found before several decade and producting all kinds of digital products. have made a market research,we find that these things make our lives easier.
the digital products like the computer and the cell phone have completely made a great impact on our life. these products have both led to much greater efficiency in many aspects of our daily lives and produced many economic benefits as well. the digital age has contributed to many labor saving technologies at the same time as improving the quality standards of production..
because our company wants to extend ,so we need to hire someone to our company. if you want to be emploeed,just give your recommend letter to our company. i am looking forward to hearing from you soon.
one possible version:
instant-dict is an e-dictionary made in hong kong, china. it is the latest product of hongyun company ltd. with a large vocabulary of i million words and phrases stored in it. so you can look up any word you meet in your senior period. instant-dict is controlled by advanced computer technology which is also the latest technical result of the company's 20-year research. the body of the instant-dict is made of light metal. therefore it is small in size and convenient to carry; besides, it is easy to operate. the price is reasonable. it is a wise choice for english learners.
a general-purpose machine that processes data according to a set of instructions that are stored internally either temporarily or permanently.the computer and all equipment attached to it are called hardware.the instructions that tell it what to do are called "software." a set of instructions that perform a particular task is called a "program" or "software program."
what a computer does
the instructions in the program direct the computer to input,process and output as follows:
input/output
the computer can selectively retrieve data into its main memory (ram) from any peripheral device (terminal,disk,tape,etc.) connected to it.after processing the data internally,the computer can send a copy of the results from its memory out to any peripheral device.the more memory it has,the more programs and data it can work with at the same time.
storage
by outputting data onto a magnetic disk or tape,the computer is able to store data permanently and retrieve it when required.a system's size is based on how much disk storage it has.the more disk,the more data are immediately available.
