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Mastering Number Systems and Codes

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Questions and Answers

Define a number system and provide examples of different number systems.

A number system is a way of representing numbers using digits or symbols. Examples of different number systems include binary, decimal, octal, and hexadecimal.

Explain the concept of analog signals and provide examples.

Analog signals are signals that have continuous values and can have an infinite number of different values. Examples of analog signals include temperature, pressure, distance, and sound.

What is the difference between analog and digital signals?

Analog signals have continuous values and can have an infinite number of different values, while digital signals have discrete values and can only have a finite number of different values.

What are the different types of codes mentioned in the text? Provide examples of each.

The different types of codes mentioned in the text are BCD (Binary Coded Decimal), Gray Code, Excess-3 Code, and ASCII Code. Examples of each include BCD for representing decimal numbers, Gray Code for error detection in rotary encoders, Excess-3 Code for representing decimal numbers, and ASCII Code for representing characters in computers. Signup and view all the answers

Explain the concept of amplitude in the context of analog signals.

Amplitude refers to the maximum value of an analog signal. It represents the strength or intensity of the signal. Signup and view all the answers

What is a database management system (DBMS) and what role does it play in a database system?

A database management system (DBMS) is a software that interacts with end users, applications, and the database itself to capture and analyze data. It provides core facilities to administer the database. Signup and view all the answers

What are some practical considerations in the design of databases?

Some practical considerations in the design of databases include data modeling, efficient data representation and storage, query languages, security and privacy of sensitive data, and distributed computing issues. Signup and view all the answers

Where can small databases and large databases be stored?

Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage. Signup and view all the answers

What does the term 'database system' refer to?

The term 'database system' refers to the sum total of the database, the DBMS, and the associated applications. Signup and view all the answers

What does the term 'database' loosely refer to?

The term 'database' is loosely used to refer to any of the DBMS, the database system, or an application associated with the database. Signup and view all the answers