Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology architecture

What is a schema?

  1. A diagram showing the domains of all attributes in the data model

  2. A schedule of data modeling steps

  3. A plan of action for database design

  4. A diagram showing the flow of data in an application

  5. A graphical or language representation of a data model or database
Reveal answer Fill a bubble to check yourself
E Correct answer
Full explanation
Multiple choice technology architecture

A student has such attributes as name, address, and gender. A student can also attend a graduate, undergraduate, or elective class that has the following attributes: class name, section name, major, and instructor. Based on the scenario above, which is the composite key in a junction table if many students can attend many classes?

  1. section name, age

  2. name

  3. undergraduate

  4. name, class name

  5. major, gender
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology testing

Which of the following is false?

  1. a) In a system two different failures may have different severities.

  2. b) A system is necessarily more reliable after debugging for the removal of a fault.

  3. c) A fault need not affect the reliability of a system.

  4. d) Undetected errors may lead to faults and eventually to incorrect behaviour.
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation