Operating Systems Basic Interview Questions - Set 07 - ObjectiveBooks

Operating Systems Basic Interview Questions - Set 07

Practice Test: Question Set - 07

1. The most common security failure is
    (A) Carelessness by users
    (B) Depending on passwords
    (C) Too much emphasis on preventing physical access
    (D) Insufficient technology used to prevent breaches

2. Supervisor state is
    (A) Never used
    (B) Entered by programs when they enter the processor
    (C) Required to perform any I/O
    (D) Only allowed to the operating system

3. The file structure that redefines its first record at a base of zero uses the term:
    (A) Relative organization
    (B) Key fielding
    (C) Dynamic reallocation
    (D) Hashing

4. Can you name of the major Operating System used in computers?
    (A) MS DOS
    (B) OS/2
    (C) UNIX
    (D) All of the above

5. Memory
    (A) Is a device that performs a sequence of operations specified by instructions in memory
    (B) Is the device where information is stored
    (C) Is a sequence of instructions
    (D) Is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user

6. If you want to execute more than one program at a time, the systems software you are using must be capable of:
    (A) Word processing
    (B) Virtual memory
    (C) Compiling
    (D) Multitasking

7. Which of the following is a phase of a compilation process?
    (A) Lexical analysis
    (B) Code generation
    (C) Both of the above
    (D) Static analysis

8. Resolution of externally defined symbols is performed by
    (A) Linker
    (B) Loader
    (C) Compiler
    (D) Assembler

9. Which of the following program is not a utility?
    (A) Debugger
    (B) Editor
    (C) Spooler
    (D) All of the above

10. Which of the following might be used to convert high-level language instructions into machine language?
    (A) System software
    (B) Applications software
    (C) An operating environment
    (D) An interpreter

11. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?
    (A) Index addressing
    (B) Indirect addressing
    (C) Auto increment
    (D) Auto decrement

12. Advantage(s) of using assembly language rather than machine language is (are):
    (A) It is mnemonic and easy to read
    (B) Addresses any symbolic, not absolute
    (C) Introduction of data to program is easier
    (D) All of the above

13. A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
    (A) Multiprogramming
    (B) Multi threading
    (C) Broadcasting
    (D) Time sharing

14. Process is
    (A) Program in High level language kept on disk
    (B) Contents of main memory
    (C) A program in execution
    (D) A job in secondary memory

15. In memory systems, boundary registers
    (A) Are used for temporary program variable storage
    (B) Are only necessary with fixed partitions
    (C) Track page boundaries
    (D) Track the beginning and ending of programs

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