3i Infotech Placement: Sample Questions 479 - 480 of 1245

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Question 479

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Essay▾

What is terminal emulation, in which layer it comes?

Explanation

Given PC Treminal Emulation
  • Telnet also called terminal emulation- belongs to application layer.
  • Ability to make one computer terminal appear like some other terminal
  • Allows users to log on and get direct access to legacy programs in a mainframe operating system.
  • Emulation programs run like any other workstation application as a separate program task.
  • It comes in the application layer.
  • Requires installing a special program a telnet program- runs like workstation application as a separate program task providing its own window to the user.
  • Window might presents some particular mainframe operating system or application interface that is text-only.

Question 480

Question

MCQ▾

Which of the following is not an advantage of GUI systems?

Choices

Choice (4)

a.

GUI՚s can display multiple applications in multiple windows

b.

GUI՚s provide more user interface objects for a developer

c.

Intuitive and easy to use.

d.

None of the above

Answer

d.

Explanation

Advantages of GUI
  • A GUI is more user-friendly- icons are used to represent application.
  • Complex, multi-step, dependent tasks can easily be grouped together.
  • The user does not need to learn any command.
  • Clicking an icon is very easy compared to typing every command.
  • It easy to place more information within a single program.
  • A graphical user interface also makes it easier for the user to move the data or information from one application to the other.
  • GUI has standard formats that help in representing graphics and text.
  • It saves time editing settings manually.

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