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Question

The transistor count in $8086$ microprocessor is

The correct answer is
$29000$

8086 Microprocessor Transistor Count Details

The Intel $8086$ microprocessor is a significant component in the history of computing. Introduced in 1978, it was one of the first widely adopted 16-bit processors and laid the groundwork for the x86 architecture used in most modern personal computers. Understanding its specifications, such as the transistor count, helps illustrate the technological advancements of its era.

Understanding Transistor Count in Microprocessors

The transistor count refers to the total number of transistors fabricated on a single integrated circuit (IC), or microchip. It's often used as a measure of a processor's complexity and potential capability. Generally, more transistors allow for more complex circuitry, leading to enhanced performance and features.

The Transistor Count of the 8086

For the $8086$ microprocessor, the specific number of transistors integrated onto the chip is a key piece of technical information. Based on historical data and technical documentation:

  • The Intel $8086$ microprocessor contains approximately $29000$ transistors.

This number was considered very high for processors developed in the late 1970s, enabling the $8086$ to offer advanced features compared to its predecessors.

Comparing Options for 8086 Transistor Count

Let's analyze the provided options against the known specifications of the $8086$:

Option Stated Transistor Count Relevance to 8086
1 $6500$ This count is significantly lower than the actual count for the $8086$.
2 $1.5 \ million$ This count is far too high for the $8086$ and reflects processors developed much later.
3 $29000$ This is the accurate transistor count for the $8086$ microprocessor.
4 $7.5 \ million$ This count is also far too high for the $8086$ and relates to significantly more advanced processors.
5 (Not specified) N/A

Conclusion on 8086 Complexity

The $8086$ microprocessor was engineered with approximately $29000$ transistors. This figure represents a substantial achievement in semiconductor technology at the time and was critical to its success and influence on future processor designs.

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Important Questions from Microprocessors

  1. What is the value in AL and CF after the following instruction in 8086 is executed?
    MOV AL, 8EH
    MOV CL, 02H
    SAR AL, CL
  2. What is the content in R1, after the following instructions are executed?
    CLR C
    MOV A,#4CH
    SUBB A,#6EH
    JNC NEXT
    CPL A
    INC A
    NEXT: MOV R1, A
  3. When TMOD is 10 H, the timer will operate as ____________.
  4. The Assembler directive in 8086 which is used to tell the assembler that the names or labels following the directive are in some other assembly module is, ____________.
  5. The magnetic vector potential of an electromagnetic system is given by $  \vec{A}=(y \cos ax)  \vec{a_x} + (y+e^x)   \vec{a_z}$. The magnitude of the magnetic flux density at the origin is

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