MCQs

Q471: Input, processing, output. and storage are collectively referred to as ______?

• A) Information processing cycle
• B) Hardware life cycle
• C) Software life cycle

Q472: Another name for a supercomputer is a ______?

• A) High-performance computer
• B) Mainframe computer
• C) Maxi computer

Q473: The cathode ray carry ______?

• A) Positive charge
• B) Neutral
• C) Negative charge

Q474: The Boolean expression of an OR gate is ______?

• A) A . B
• B) A + B
• C) A x B

Q475: Electronics comprises the _________?

• A) Physics
• B) Engineering
• C) All of these

Q476: The Boolean expression of an AND gate is ______?

• A) A . B
• B) A + B
• C) A x B

Q477: The process of emission of electrons from the hot metal surfaces is called?

• A) Plastic emission
• B) Thermionic emission
• C) Static emission

Q478: If the direction of magnetic field is reversed, the direction of force is _____?

• A) Reversed
• B) Not reversed
• C) May or may not reversed

Q479: The electric field can be detect ______?

• A) Photon
• B) Neutron
• C) Electron

Q480: The continuous flow of electrons is made possible by a device called?

• A) Cathode
• B) Electron gun
• C) Filament