Introduction, gates, and binary stuff Flashcards
1
Q
4 Number types
A
- Decimal/Base 10
- Binary
- Hexadecimal
- octal
2
Q
num type that we use
A
decimal/base 10
3
Q
everything is stored in
A
binary
4
Q
binary base
A
2
5
Q
octal base
A
8
6
Q
hexadecimal base
A
16
7
Q
stuff stored in binary
A
- characters ( ascii )
- sound ( digitized )
- picture ( RGB )
8
Q
Binary Coded Decimal notation
A
Binary encodings of decimal numbers where each digit is represented by a fixed number of digits, usually being 4 or 8.
9
Q
convert binary to octal
A
group in 3s
10
Q
convert binary to hexadecimal
A
group in 4s
11
Q
convert from decimal
A
divide by specific base, keeping track of remainders, then write in reverse order
12
Q
0 and 1 is represented by
A
voltage level depending on chip type
13
Q
our family of chips
A
TTL chips
14
Q
TTL chips low voltage ( 0 )
A
0-0.8 volts
15
Q
TTL chips high voltage ( 1 )
A
2-5 volts
16
Q
active high logic means
A
1 = true
0 = false
17
Q
active low logic means
A
0 = true
1 = false
