Q.1
Which of the following is a type of gate descriptor?
  • a) call gate
  • b) task gate
  • c) interrupt gate
  • d) all of the mentioned
Q.2
Which of the following is a type of system segment descriptor?
  • a) system descriptor
  • b) gate descriptor
  • c) system descriptor and gate descriptor
  • d) none of the mentioned
Q.3
The gate descriptor contains the information of
  • a) destination of control transfer
  • b) stack manipulations
  • c) privilege level
  • d) all of the mentioned
Q.4
The gate that is used to alter the privilege levels is
  • a) call gate
  • b) task gate
  • c) interrupt gate
  • d) trap gate
Q.5
The gate that is used to specify a corresponding service routine is
  • a) call gate and trap gate
  • b) task gate and interrupt gate
  • c) interrupt gate and trap gate
  • d) task gate and trap gate
Q.6
The gate that is used to switch from one task to another is
  • a) trap gate
  • b) task gate
  • c) task gate and trap gate
  • d) none of the mentioned
Q.7
The gate that uses word count field is
  • a) trap gate
  • b) task gate
  • c) interrupt gate
  • d) call gate
Q.8
The memory that maintains the most frequently required data for execution, in a high speed memory is called
  • a) virtual memory
  • b) physical memory
  • c) cache memory
  • d) ROM (read only memory)
Q.9
The selector field consists of
  • a) requested privilege level (RPL)
  • b) table indicator
  • c) index
  • d) all of the mentioned
Q.10
If table indicator, TI=then the descriptor table selected is
  • a) local descriptor table
  • b) global descriptor table
  • c) local and global descriptor table
  • d) none of the mentioned
Q.11
The instruction that is executed at privilege level zero (is
  • a) LDT
  • b) LGDT and LLDT
  • c) GDT
  • d) None of the mentioned
Q.12
The instruction that loads a selector which refers to a local descriptor table, containing the base address and limit for LDT is
  • a) LGT
  • b) GDT
  • c) LGDT
  • d) LLDT
Q.13
The descriptor that is used to store task gates, interrupt gates and trap gates is
  • a) system descriptor table
  • b) gate descriptor table
  • c) interrupt descriptor table
  • d) none of the mentioned
Q.14
The number of interrupt descriptors that the interrupt descriptor table (IDT) handles is
  • a) 16
  • b) 64
  • c) 128
  • d) 256
Q.15
The number of bytes required for an interrupt in an IDT is
  • a) 2
  • b) 4
  • c) 6
  • d) 8
0 h : 0 m : 1 s