A to D and D to A converters are required A. to convert decimal to hexadecimal n

Question

A to D and D to A converters are required A. to convert decimal to hexadecimal numbers. B. to convert between analog and decimal numbers. C. to convert information formats between computers and humans. D. All of the above. E. None of the above. Justification: Problem 8 A computer with a QPI can run faster and cooler than a computer with a FSB because A Quick Path Interconnect can have up to 128 bit memory width B. Quick Path Interconnect has more address buses. c. Front Side Bus does not have access to the back side of the CPU like QPI does. D. The bus has access to a more efficient cooling process. E. Quick Path Interconnect cannot run faster than Front Side Bus. Justification: Protected mode interrupts A. use an interrupt vector table. B. use an interrupt descriptor table. C. Have 256 different varieties. D. B and C. E. Push the contents of the instruction pointer onto the stack F. A and E G. None of the above. Justification:

Explanation / Answer

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A t o D and D to A converters are required to convert the analog signal to digital signal and Digital to Analog Signal respectively. It is used with the sensors and amplifiers to convert the information formats between computers and human but it is not used alone. Hence we can select the most appropriate answer as NONE OF THESE.

Option E-None of the above

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Since the beginning of times Intel CPUs use an external bus called Front Side Bus or simply FSB that is shared between memory and I/O requests. The next generation of Intel CPUs will have an embedded memory controller and thus will provide two external busses: a memory bus for connecting the CPU to the memory and an I/O bus to connect the CPU to the external world. This bus is a new bus called QuickPath Interconnect (QPI)

A. The old front-side bus (FSB), which carries data between the CPU and memory controller hub.
B. The newer Quick Path Interconnect (QPI), which is a point-to-point interconnect between the CPU and the integrated memory controller. It also links processor cores to each other and the motherboard chipset thus replacing the front side bus.

Option -B

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In protected mode, the IDT is an array of 8-byte descriptors stored consecutively in memory and indexed by an interrupt vector. A fully populated IDT is 2 KB (256 entries of 8 bytes each) in length. It is not necessary to use all of the possible entries: it is sufficient to populate the IDT up to the highest interrupt vector used, and set the IDT length portion of the IDTR accordingly. Vectors 0-31 are reserved by Intel for processor generated exceptions (general protection fault, page fault, etc.). Though currently only vectors 0-18 are used by the processor, future processors may create incompatibilities for broken software which use these vectors for other purposes.

Option -D

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