Q. In access rights byte, to select system segment descriptor, the condition is

View solution

Q. If S (segment descriptor)=1, then the descriptor selected is

View solution

Q. The memory of limit field is

View solution

Q. Which of the following is a type of system segment descriptor?

View solution

Q. Which of the following is a type of gate descriptor?

View solution

Q. The gate descriptor contains the information of

View solution

Q. The gate that is used to alter the privilege levels is

View solution

Q. The gate that is used to specify a corresponding service routine is

View solution

Q. The gate that is used to switch from one task to another is

View solution

Q. The gate that uses word count field is

View solution

Q. The memory that maintains the most frequently required data for execution, in a high speed memory is called

View solution

Q. The selector field consists of

View solution

Q. If table indicator, TI=0, then the descriptor table selected is

View solution

Q. The instruction that is executed at privilege level zero (0) is

View solution

Q. The instruction that loads a selector which refers to a local descriptor table, containing the base address and limit for LDT is

View solution

Q. The descriptor that is used to store task gates, interrupt gates and trap gates is

View solution

Q. The number of interrupt descriptors that the interrupt descriptor table (IDT) handles is

View solution

Q. The number of bytes required for an interrupt in an IDT is

View solution

Q. By using privilege mechanism the protection from unauthorized accesses is done to

View solution

Q. The task privilege level at the instant of execution is called

View solution