3i Infotech Placement: Sample Questions 1008 - 1010 of 1245

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Question 1008

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Describe in Detail

Essay▾

What is Executive in Windows NT?

Explanation

  • Executive is a collection of modules within the Microsoft Windows NT operating system run in kernel mode providing process, memory and object management, thread scheduling, interrupt processing, security.

Three Component of Window NT Executive

  • Executive services
    • Managers and device drivers
  • Microkernel
    • OS services, thread scheduling and interrupt handling
  • HAL
    • Hardware abstraction layer isolates hardware differences from NT allowing it to work on different platforms.
Three Component of Window NT Executive

Components under Window NT Executive

  • I/O Manager
  • Object manager
  • Security reference monitor
  • Process manager
  • Local procedure call facility
  • Remote procedure call facility
  • Virtual memory manager
  • Win 32k Window manager and GDI
  • Hardware device drivers

Question 1009

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Write in Short

Short Answer▾

To which numbering system can the binary number 1101100100111100 be easily converted to?

Explanation

  • This is a 16 bit number.
  • We can group these bits into 4 bits a group.

    (1101) (1001) (0011) (1100)

  • Given set of bits can converted to HEXA DECIMAL SYSTEM
  • (D93C)

Question 1010

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Write in Short

Short Answer▾
  1. voidmain ()
  2. {
  3.     inti =7;
  4.     printf ( “%d”, i ++ ⚹i ++ );
  5. }

Explanation

  • In the program
Table Showing the Program
int i = 7;
  • Define the integer variable i = 7
printf ( “% d” , i ++ ⚹ i ++) ;
  • Solve the equation to print the value
  • = i ++ ⚹ i ++
  • Here (i ++) makes the second value 7 + 1 = 8
  • So 7 ⚹ 8 = 56

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