Tag: science & technology

Quizzes (551) Questions (11015)

Questions Related to science & technology

Multiple choice general knowledge science & technology

INDUCTANCE

  1. Farad

  2. Ohm

  3. Henry

  4. Watt
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The SI unit of inductance is the Henry (H), named after Joseph Henry. Farad is the unit of capacitance, Ohm is the unit of resistance, and Watt is the unit of power.

Multiple choice general knowledge science & technology

POWER

  1. Volt

  2. Ohm

  3. Coulomb

  4. Watt
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The SI unit of power is the Watt (W), named after James Watt. Volt is the unit of electric potential, Ohm is the unit of resistance, and Coulomb is the unit of electric charge.

Multiple choice general knowledge science & technology

ELECTRIC CHARGE

  1. Coulomb

  2. Farad

  3. Watt

  4. Ohm
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The SI unit of electric charge is the Coulomb (C), named after Charles-Augustin de Coulomb. Farad is the unit of capacitance, Watt is the unit of power, and Ohm is the unit of resistance.

Multiple choice general knowledge science & technology

CAPACITANCE

  1. Ampere

  2. Farad

  3. Watt

  4. Henry
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The SI unit of capacitance is the Farad (F), named after Michael Faraday. Ampere is the unit of current, Watt is the unit of power, and Henry is the unit of inductance.

Multiple choice general knowledge science & technology

CURRENT

  1. Ohm

  2. Amparas

  3. Ambrass

  4. Ampere
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The SI unit of electric current is the Ampere (A), named after André-Marie Ampère. Ohm is the unit of resistance. The options 'Amparas' and 'Ambrass' are misspellings or nonexistent units.

Multiple choice general knowledge science & technology

Which of the following is not supported by Java

  1. Security

  2. Portability

  3. Multiple Inheritance

  4. Multi Level Inheritance
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Java does not support multiple inheritance of classes to avoid complexity and the diamond problem. It does support multi-level inheritance (inheritance chain) and single inheritance. Java emphasizes security through its sandbox model and bytecode verification, and portability through its JVM architecture.

Multiple choice general knowledge science & technology

Java Uses

  1. none of the below

  2. J

  3. JJM

  4. JVM
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Java uses the Java Virtual Machine (JVM) as its runtime environment. The JVM executes Java bytecode and provides platform independence. The options 'J' and 'JJM' are meaningless in the context of Java architecture.

Multiple choice general knowledge science & technology

Class is

  1. Method & Interface Only

  2. Encasulation

  3. Database

  4. None of the Above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A class in object-oriented programming is a blueprint that encapsulates data and methods together. Encapsulation bundles related data and behavior into a single unit, hiding internal details. Options A, C, and D are incorrect - classes are not just interfaces, not databases, and 'none' is wrong.

Multiple choice general knowledge science & technology

Java is

  1. High level Language

  2. Machine Language

  3. Micro Processor Language

  4. None of the Above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Java is a high-level programming language that abstracts away low-level machine details. It runs on a virtual machine (JVM) and uses automatic memory management. Machine language and microprocessor language are low-level, closer to hardware.

Multiple choice general knowledge science & technology

Java is

  1. High level Language

  2. Machine Language

  3. Micro Processor Language

  4. None of the Above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Java is a high-level programming language that abstracts away low-level machine details. It runs on a virtual machine (JVM) and uses automatic memory management. Machine language and microprocessor language are low-level, closer to hardware.