Languages-Assembly Language [3i Infotech Placement]: Sample Questions 9 - 11 of 51

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Question 9

Assembly Language
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Describe in Detail

Essay▾

What does it mean by embedded system?

Explanation

Embedded System
  • An embedded system is computer hardware with software embedded in it.
  • Can be an independent system or be a part of a large system.
  • Usually a microcontroller or microprocessor based system designed to perform a specific task.

Components of an embedded system

An embedded system has three components:

  • Hardware
  • Application software
  • Read time operating system supervises application software and allows processor to run process.

Characteristics of an embedded system

Characteristics of an Embedded System

Question 10

Assembly Language
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Write in Short

Short Answer▾

Expand MODEM

Explanation

  • MODEM or modulator-demodulator is a hardware device connecting a computer or router to a broadband network.
  • It is typically an analogue to digital device.
  • A cable modem and DSL modem are two examples.
  • Modem can also use a network card in the computer.

Question 11

Assembly Language
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Describe in Detail

Essay▾

Why is data bus bi-directional?

Explanation

Bi- Directional Data Bus
  • The bidirectional data bus, sometimes called the memory bus, transfers data and instructions between functional areas of the computer.
  • Can only transmit in one direction at a time.
  • Data bus transfers instructions from memory to the CPU for execution.
  • Carries data “to and from” the CPU and memory as required by instruction translation.
  • The data bus also transfers data between memory and the I/O devices during input/output operations.

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