Computers today. Гурьянова В.И. - 27 стр.

                                         Text 10
      1. Read through the text below quickly and say whether you agree
with its heading.
      2. Define the topics of all the paragraphs by their first sentences.
Which paragraphs are about OS and which – about files?
      3. Read the text carefully. Where would you divide the text into logi-
cal parts? Explain why?
      4. These are expressions from the text. Expand them into statements
denoting ideas from the text.
       interface between the hardware and software
       allocation and usage of hardware resources
       different operating systems
       a file folder in a desk drawer
       a unique name
       filenames and directories
       working directory
       small or capital letters
       process personal and business information
       keep backup copies of valuable information
      5. Read the text again and describe it in outline.

                            Operating systems and files
      An OS performs basic tasks on your computer, acting as an interface between
the hardware and software on the system. Its primary purpose is to support the pro-
grams that perform tasks on your computer, such as word processing, e-mail, and da-
tabase management. The OS is the software that controls the allocation and usage of
hardware resources such as memory, central processing unit (CPU) time, disk space,
and peripheral devices. The OS is the foundation on which applications are built, and

                                         27