CS 1 – Digital Logic and Binary Numbers
Name: ________________________________
Problems 1A through 1D (5 points each)
1A
1 (on) or 0(off)?
1
0
1B
0
1
1C
0
1
1D
1
0
0
1
Problems 2A through 2D (5 points each)
2A
1
1
2B
1
0
2C
1
0
2D
1
1
1
0
1 (on) or
0(off)?
Problems 3A through 3D (5 points each)
3A
1
1
3B
NOTE: Igore the lightbulb. This is a “1” (ON) bit.
1
3C
1
0
3D
1
1
1
1 (on) or
0(off)?
Part 2: Convert the following decimal (base 10) numbers to binary (base 2)
(2 points each)
Decimal (base 10)
1
2
3
4
5
6
7
8
9
10
Binary (base 2)
25
120
67
192
29
30
31
32
33
34
Part 3: Convert the following binary (base 2) numbers to decimal (base 10)
(2 points each)
Binary (base 2)
1
2
3
4
5
6
7
8
9
10
10100011
00110011
00001010
11110000
00001001
00001010
00001011
00001100
00001101
00001111
Decimal (base 10)
CS 1 – Digital Logic and Binary Numbers
Name: ________________________________
Answer Sheet
Answer 0 (off) or 1 (on) for the following: (5 points each)
1A: __________
1B: __________
1C: __________
1D: __________
2A: __________
2B: __________
2C: __________
2D: __________
3A: __________
3B: __________
3C: __________
3D: __________
Part 2: Convert the following decimal (base 10) numbers to binary (base 2)
(2 points each)
Decimal (base 10)
1
2
3
4
5
6
7
8
9
10
Binary (base 2)
25
120
67
192
29
30
31
32
33
34
Part 3: Convert the following binary (base 2) numbers to decimal (base 10)
(2 points each)
1
2
3
4
5
6
7
8
9
10
Binary (base 2)
Decimal (base 10)
10100011
00110011
00001010
11110000
00001001
00001010
00001011
00001100
00001101
00001111