Operating System Basics Questions and Answers

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Q281
In Windows operating system it is a window that is used to display text or to receive text from you. The type of text it displayes or the type of text yu are asked to provide depends on the applications or the situation.
  • A Control's Focus
  • B Dialog Boxes
  • C Command Buttons
  • D Text Boxes
Answer: Option D
Q282
The main memory of the computer
  • A Controls the operations of computer
  • B Performs data processing functions.
  • C Stores data and programs
  • D None of these
Answer: Option C
Q283
MAR (memory address register )
  • A Contains data to be written into memory
  • B Contains data to be read from memory
  • C Specifies loation in memry for next read/or writer.
  • D Contains address of next instruction to be fetched.
Answer: Option C
Q284
IR ( Instruction register)
  • A Contains the address of an instruction to be fetched.
  • B Contains the instruction most recently feteched
  • C Specifies memory addresses.
  • D None f these.
Answer: Option B
Q285
Whicho the following is not an address register ?
  • A Index register
  • B Segment pointer
  • C Stack pointer
  • D Data register
Answer: Option D
Q286
Following is not the State of Five-State process model
  • A Ready
  • B Running
  • C Not Running
  • D New.
Answer: Option C
Q287
Memory table is used
  • A To allocate main memory to processes
  • B To allocate secondary memory to processes
  • C To manage virtual memory
  • D A.B, and C are true
Answer: Option D
Q288
I/O tables are used
  • A To assign I/O devices of computer
  • B To manage I/O device of computer system
  • C A and B both true
  • D A and B both false.
Answer: Option C
Q289
The operating system onttroll tables maintains file table, because
  • A These tables manage I/O devices and channels of the computer system.
  • B these tables provide information about the existence of files, their location on secondary memory and their current status.
  • C These tables provide information to manage process.
  • D None of these
Answer: Option B
Q290
Process in computer
  • A Controls the operations of the computer/processes data functions.
  • B Stores data and program
  • C Moves data between computer and its external environment.
  • D None of these.
Answer: Option A

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