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CS401 Final Term Quiz 4

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CS401 Final Term Quiz 4

1 / 30

VESA VEB 2.0 is standard for

2 / 30

Which of the following is a special type of interrupt that returns to the same instruction instead of the next instruction?

3 / 30

The space where all the registers of a task are stored is called the

4 / 30

Which of the following interrupt is of highest priority interrupt?

5 / 30

Types of jump are:

6 / 30

When the subprogram finishes, the _____________ retrieves the return address from the stack and transferscontrol to that location.

7 / 30

The time interval between two timer ticks is?

8 / 30

Video services are classified into...................... broad categories.

9 / 30

Which flags are NOT used for mathematical operations?

10 / 30

Which of the following gives the more logical view of the storage medium

11 / 30

Which bit of the attributes byte represents the red component of foreground color

12 / 30

The thread registration code initializes the PCB and adds it to the linked list so that the __________ will give it a turn.

13 / 30

Which of the following interrupts is used for Arithmetic Overflow?

14 / 30

There are total _______________ bytes in a standard floppy disk.

15 / 30

Which of the following interrupts is used for saving and restoring the registers

16 / 30

Threads can have function calls, parameters and variables.

17 / 30

When two devices in the system want to use the same IRQ line then what will happen?

18 / 30

To reserve 8-bits in memory ___ directive is used.

19 / 30

Which of the following IRQs is derived by a key board?

20 / 30

Which of the following IRQs is derived by a timer device?

21 / 30

Which of the following IRQ is cascading interrupt

22 / 30

VESA(Video Electronics Standards Association) organizes 16 color bits for every pixel in

23 / 30

The table index (TI) is set to _____ to access the GDT (Global Descriptor Table).

24 / 30

Which of the following pins of a parallel port connector are grounded?

25 / 30

There is no instruction to clear the

26 / 30

Which of the following IRQs is used for Floppy disk derive?

27 / 30

When a number is divided by zero ?A Division by 0? interrupt is generated. Which instruction is used for thispurpose

28 / 30

When a 32 bit number is divided by a 16 bit number, the quotient is of

29 / 30

Which of the following IRQs is connected to serial port COM 2?

30 / 30

Value of AH in the write Graphics pixel service is

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