AASTHA's Flashcard

Front

Which of the following data types can store a decimal number in most programming languages? Integer, Float, Char, Boolean

Back

Float

Front

What does the acronym 'URL' stand for?

Back

Uniform Resource Locator

Front

Which of the following is NOT a type of network topology? Star, Bus, Tree, File

Back

File

Front

Which device is responsible for converting digital signals into analog signals in telecommunications?

Back

Modem

Front

In a relational database, which of the following is used to uniquely identify each record in a table? Options: Index, Key, Foreign Key, Attribute

Back

Key

Front

What is the difference between a servo motor and a stepper motor?

Back

Servo motors use feedback, while stepper motors do not.

Front

What does an amplifier do in a signal processing circuit?

Back

Increase signal strength

Front

What is the primary function of a relay in an electrical circuit?

Back

To switch a circuit on/off

Front

Which programming language is commonly used for developing Android apps?

Back

Java

Front

Which type of sensor is commonly used in robotics for distance measurement? Infrared sensor, Lidar sensor, Ultrasonic sensor, Radar sensor

Back

Ultrasonic sensor