Flashcards - Computer Systems Week 3_ Digital Data Concepts
What is the base of binary numbers?
2
How many bits are in a byte?
8
What does ‘N bits’ mean in terms of possibilities?
2^N
What is the decimal equivalent of the binary number 11001?
25
What representation uses a base of 16?
Hexadecimal
How many possible colors can 24 bits represent?
16777216
What does 1 byte represent in bits?
8 bits
How would you represent the decimal number 10 in hexadecimal?
A
What operation is performed to convert binary to hexadecimal?
Grouping of 4 binary digits
What is the hexadecimal representation for 32 in decimal?
20
What do binary digits represent in physical hardware?
High or low voltage or polarity
What is a group of 8 bits called?
Byte
How many distinct values can 4 bits represent?
16
What is the significance of more bits in binary representation?
More accuracy
What is the decimal equivalent of the binary number 1010?
10
Which number base do humans primarily use?
Decimal
How is hex base 16 typically denoted?
0-9 and A-F
What is represented by the binary digit ‘1’?
A high signal
What is the conversion process from decimal to binary based on?
Subtracting the largest possible power of two
What does the process of parity checking relate to?
Error detection in digital data
What does a word typically represent in bits?
16 bits (or 2 bytes)
Which base do computers predominantly use?
Binary
What is the range of colors for an 8-bit image?
256 colors
How many possible values can 8 bits represent?
256
