1) What is an operating system? a) interface between the hardware and application programs b) collection of programs that manages hardware resources c) system service provider to the application programs d) all of the mentioned 2) Name the interface provided to access the services of the operating system a) Library b) System calls c) Assembly instructions d) API 3) Which one of the following is not true? a) kernel is the program that constitutes the central core of the operating system b) kernel is made of various modules which can not be loaded in running operating system c) kernel is the first part of the operating system to load into memory during booting d) kernel remains in the memory during the entire computer session 4) Which one of the following errors will be handle by the operating system? a) power failure b) connection failure in the network c) lack of paper in printer d) all of the mentioned 5) Where is the operating system placed in the memory? a) either low or high memory (depending on the location of interrupt vector) b) in the low memory c) in the high memory d) none of the mentioned 6) If a process fails, most operating system write the error information to a ______ a) new file b) another running process c) log file d) none of the mentioned 7) The main memory accommodates ____________ a) cpu b) user processes c) operating system d) all of the mentioned 8) The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system. a) bootstrap b) main c) bootloader d) rom 9) The systems which allows only one process execution at a time is known as a) Uniprogramming systems b) Uniprocessing systems c) Unitasking systems d) None of the mentioned 10) A sequence of instructions telling the computer what to do is called a_____________ a) Language b) Program c) Translator d) Package

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