1) What is Operating System ? a) Collection of system programs that together control the operation of a computer system b) The ability of a CPU to do more than one task at a time c) A hierarchy determine how software interface 2) What is the functions of OS ? a) Controls computer's input/output functions b) Performing housekeeping procedures requested by users c) Instructs HW directly 3) DOS stands for ? a) Desktop Operating System b) Disk Operating System c) Development Operating System 4) How many step in installation (upgrade) the Windows 10 ? a) 5 b) 7 c) 6 5) Which are the main security tools? a) User Account Control b) Parental Control c) Quick Actions 6) What is one role of Software Layer ? a) Uses BIOS to provide the instructions b) Managing BIOS c) Diagnosis problems with SW & HW 7) "Originally written for mainframe computers in the early 70s". The following statement refers to ? a) MAC OS b) Windows c) UNIX

Chapter 5: Operating System

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