Question Test Sheet

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Question Test Sheet

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What is the primary purpose of a Transformer?
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1 point

A) To increase current

B) To restrict current

C) To change voltage levels

D) To convert AC to DC

Which device is used to store electrical energy in an electric field?
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1 point

A) Resistor

B) Inductor

C) Capacitor

D) Diode

In a three-phase system, what is the phase difference between each phase?
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1 point

A) 60 degrees

B) 90 degrees

C) 120 degrees

D) 180 degrees

In AC circuits, what does the term "reactance" refer to?
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1 point

A) The resistance to direct current

B) The opposition to the flow of electric power

C) The opposition to the change in current or voltage

D) The power factor of the circuit

What does CPU stand for in computer terminology?
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1 point

A) Central Processing Unit

B) Computer Personal Unit

C) Central Power Unit

D) Common Processing Unit

Which of the following is a type of non-volatile memory?
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1 point

A) RAM

B) ROM

C) Cache

D) Registers

In which year was the first version of the Microsoft Windows operating system released?
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1 point

A) 1981

B) 1985

C) 1990

D) 1995

What is the main function of an operating system?
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1 point

A) To manage hardware resources

B) To develop applications

C) To perform calculations

D) To create files

Which of the following programming languages is primarily used for web development?
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1 point

A) Python

B) C++

C) JavaScript

D) Java

What is Ohm's Law?
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1 point

a) V = I * R

b) V = I / R

c) V = R / I

d) V = I + R

What is the unit of power in the SI system?
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1 point

A) Watt

B) Joule

C) Newton

D) Pascal

Which of the following is a type of computer memory that can be accessed randomly?
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1 point

A) Sequential Memory

B) Read-Only Memory (ROM)

C) Random Access Memory (RAM)

D) Cache Memory

What does HTML stand for?
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1 point

A) HyperText Markup Language

B) HighText Multiple Language

C) HyperText Multi-Layer

D) None of the above

Which of the following is a programming language primarily used for web development?
*

1 point

A) Java

B) Python

C) JavaScript

D) C++

What is the primary function of an operating system?
*

1 point

A) To compile software

B) To manage hardware and software resources

C) To perform calculations

D) To provide a programming language

Which data structure uses a "Last In First Out" (LIFO) method?
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1 point

A) Queue

B) Array

C) Stack

D) Linked List

In the context of networking, what does "IP" stand for?
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1 point

A) Internet Protocol

B) Internal Program

C) Interactive Processor

D) Integrated Protocol

Which of the following algorithms is commonly used for sorting data?
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1 point

A) Quick Sort

B) Binary Search

C) Dijkstra’s Algorithm

D) Breadth-First Search

What is an example of a non-relational database?
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1 point

A) MySQL

B) PostgreSQL

C) MongoDB

D) Oracle

Which of the following is not a programming paradigm?
*

1 point

A) Object-Oriented Programming

B) Functional Programming

C) Procedural Programming

D) Chemical Programming

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