Unit 2 section B components of an operating system.docx Fill in the blanks with the information given in the text: I. Modern shells perform the task of communicating with computer users by means of a ( 1 ) user interface. 2. The kernel of a typical operating system contains such software components as the(2) manager, various device drivers, the memory nanager, the( 3 ) , and the dispatcher. 3. When the total main memory space required exceeds the space tctually available in the computer, the memory manager may resort to ( 4 ) memory. 4. In a time-sharing system, time is divided into short segments, each of which is called a time( 5 ) .