Explore topic-wise MCQs in Microprocessors.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

To inform 80387 that the CPU wants to communicate with NPS1, the NPS1 line is directly connected to

A. A31
B. A30
C. M/IO
D. D31
Answer» D. D31
Discussion
2.

The sizes of instruction and data pointer registers of 80387 respectively are

A. 32-bit, 32-bit
B. 48-bit, 32-bit
C. 32-bit, 48-bit
D. 48-bit, 48-bit
Answer» E.
Discussion
3.

The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is

A. Central processing unit
B. ALU
C. FPU
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
4.

The unit that handles the data and directs it to either FIFO or instruction decoder depending on the bus control logic directive is

A. paging unit
B. central processing unit
C. segmentation unit
D. data interface and control unit
Answer» E.
Discussion