Evolution of Computing
ICSE · Class 9 · Robotics & Artificial Intelligence
Flashcards for Evolution of Computing — ICSE Class 9 Robotics & Artificial Intelligence. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is Boolean logic?
Answer
Boolean logic is a type of algebra that deals with binary variables and binary operators. It uses two values: true and false, or 1 and 0. It is widely used in computer science, electronics, and databa…
Who developed Boolean logic?
Answer
Boolean logic was developed by George Boole in the mid-19th century. He showed how formal logic could be written in mathematical form.
What are the two possible values in Boolean logic?
Answer
The two possible values are true and false, written as 1 and 0. A binary decision always results in yes/no or true/false.
What is a Boolean variable?
Answer
A Boolean variable is a type of variable that can take only one binary-valued quantity from two possible values such as yes/no, 1/0, or true/false. One bit represents one Boolean variable.
What is a Boolean constant?
Answer
A Boolean constant is a fixed value in a program that can take only one of two values: true or false, yes/no, or 1/0. It is different from a Boolean variable because it does not change.
What does a passing signal represent in an electrical circuit?
Answer
In an electrical circuit, a passing signal represents 1. If the signal does not pass, it is represented as 0.
What is the AND operator?
Answer
The AND operator returns true if and only if both operands are true. In logical multiplication, its symbol is the dot operator (. ).
What is the OR operator?
Answer
The OR operator returns true if at least one operand is true. In logical addition, its symbol is the plus operator (+).
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