Operating System Basics Questions and Answers

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Q191
Memory buffer register (MBR) contains
  • A Data that is to be written into memory
  • B A particular I/O modue and the processor
  • C Exchange data between I/O module and the processor and the processor
  • D The instruction most recently fetched
Answer: Option A
Q192
I/O modules move data
  • A Between external environment and computer
  • B In the computer main memory
  • C In Processors
  • D None of these.
Answer: Option A
Q193
I/O OBR (I/O Buffer register ) is
  • A Used for the exchange of data between an I/O module and the processor
  • B Specifies particular I/O device
  • C (A) and (B) both true
  • D (A) and (B) both alse
Answer: Option A
Q194
User-visible register
  • A Enables machnine language programmer to minimize memory preference by optimizing register use.
  • B Enables assembly language programmer to minimizing main memory reference by optimizing reguster use.
  • C A and B both true
  • D A and B both false
Answer: Option C
Q195
The operations of the processor are supervised by
  • A Control and Status register
  • B Data register.
  • C Address register.
Answer: Option A
Q196
User-Visible register Which of the following do not support GUI (Graphical User Interface)
  • A DOS
  • B WINDOWS
  • C Linux
  • D None of these
Answer: Option A
Q197
The MS-DOS and operating system and single threads
  • A Multiple user process and single thread
  • B Multiple user process and single thread
  • C Single user process and single thread
  • D Multiple user process and multiple threads.
Answer: Option C
Q198
The UNIX, an operating system supports
  • A Multiple user processes and single thread per process
  • B Multiple user process and multiple threads per process
  • C Single user process and single thread per process
  • D Singe user process and multiple threads per process
Answer: Option C
Q199
The Java run time environment is an example of
  • A Single user process with multiple threads
  • B Multiple user process with single thread per process.
  • C Multiple user process with multiple threads per process.
  • D None of these
Answer: Option A
Q200
The Windows 2000, operating system supports
  • A Multiple user processes with single threads per process
  • B Multiple processes with multiple thread per process
  • C Single process with single thread
  • D Single process with multiple threads
Answer: Option B

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