adplus-dvertising
frame-decoration

Question

Among eight debug registers, DR0-DR7, the registers that are reserved by Intel are

a.

DR0, DR1, DR2

b.

DR4, DR5

c.

DR1, DR4

d.

DR5, DR6, DR7

Answer: (b).DR4, DR5

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Among eight debug registers, DR0-DR7, the registers that are reserved by Intel are

Similar Questions

Discover Related MCQs

Q. The registers that are used to store four program controllable break point addresses are

Q. The register DR6 hold

Q. The flag bits that indicate the privilege level of current IO operations are

Q. The registers that are not available for programmers are

Q. Which of the following is not a scale factor of addressing modes of 80386?

Q. Contents of an index register are multiplied by a scale factor that may be added further to get the operand offset in

Q. Contents of an index register are multiplied by a scale factor and then added to base register to get the operand offset in

Q. In the based scaled indexed mode with displacement mode, the contents of an index register are multiplied by a scale factor and are added to

Q. The following statement of ALP is an example of

MOV EBX, [EDX*4] [ECX].

Q. The following statement is an example of

MOV EBX, LIST [ESI*2].
MUL ECX, LIST [EBP*4].

Q. Bit field can be defined as a group of

Q. The maximum length of the string in a bit string of contiguous bits is

Q. The integer word is defined as

Q. A 16-bit displacement that references a memory location using any of the addressing modes is

Q. A decimal digit can be represented by

Q. The instructions available in the 80386 that are not available in its real address mode is

Q. The unit that is disabled in real address mode is

Q. To form a physical memory address, appropriate segment register contents are

Q. The segments in 80386 real mode are

Q. The operation that can be performed on segments in 80386 real mode is