BOOLEAN LOGIC Flashcards
(27 cards)
What is data representation?
Data representation refers to the method of encoding information in a format that computers can process and understand.
True or False: Binary is the only number system used in data representation.
False
Fill in the blank: The two most common types of data representation are _____ and _____ formats.
analog, digital
What is the basic unit of data in computing?
Bit
How many bits are in a byte?
8 bits
What does ASCII stand for?
American Standard Code for Information Interchange
Multiple Choice: Which of the following is a character encoding standard? A) XML B) JSON C) ASCII D) HTML
C) ASCII
What is the purpose of data compression?
To reduce the size of data for storage and transmission.
True or False: Lossy compression retains all original data.
False
What is a pixel?
A pixel is the smallest unit of a digital image or display.
Fill in the blank: The _____ color model is used for digital displays.
RGB
What does the term ‘resolution’ refer to in data representation?
The amount of detail an image holds, usually measured in pixels.
Multiple Choice: Which of the following is NOT a data format? A) JPEG B) PNG C) HTML D) Binary
D) Binary
What is the hexadecimal system?
A base-16 number system that uses digits 0-9 and letters A-F.
True or False: Unicode can represent characters from multiple languages.
True
What is the significance of the ‘endian’ format in data representation?
It determines the order of bytes in multi-byte data types.
Fill in the blank: The _____ number system is primarily used in computing.
binary
What is metadata?
Data that provides information about other data.
Multiple Choice: Which format is commonly used for text files? A) PDF B) TXT C) MP3 D) AVI
B) TXT
What is the function of a data structure?
To organize and store data efficiently.
True or False: A database is a type of data representation.
False
What does ‘sampling’ refer to in digital audio?
The process of converting an analog signal into a digital format.
Fill in the blank: The _____ system is used to represent numerical data in a binary format.
floating-point
What is the main purpose of a codec?
To encode and decode digital data streams.