Data Representation, Programming (Python), and Cyber Security

Front

What is binary?

Back

Binary consists of 1s and 0s, which computers use to store everything.

Front

How many bits are in a byte?

Back

1 byte = 8 bits.

Front

What is 1 kilobyte (KB) in bytes?

Back

1 kilobyte (KB) = 1024 bytes.

Front

What is the difference between bitmap and vector images?

Back

Bitmap images are made of tiny pixels, so they can become blurry when zoomed in.
Vector images are made of shapes and lines, so they stay clear when resized.

Front

What is ASCII?

Back

ASCII is a way for computers to turn letters and symbols into numbers, so they can understand and store text.

Front

What is the output of an AND logic gate?

Back

The output is 1 only if both inputs are 1.

Front

What is the difference between lossy and lossless compression?

Back

Lossy compression loses some data (e.g., JPEG), while lossless compression retains all data (e.g., ZIP).

Front

What is encryption?

Back

Encryption scrambles data to protect it, making it only readable with a key.

Front

What is the purpose of indentation in Python?

Back

Indentation is used to define the structure and flow of the code.

Front

What is the syntax to print 'Hello, world!' in Python?

Back

print('Hello, world!')