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CSO1 Midterm Review
CSO1 Midterm Review
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@qjy7du
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Which bitwise expression is logically equivalent to (x & y) | (x & ~y)?
1: Which bitwise expression is logically equivalent to (x & y) | (x & ~y)?
45.0s
x
y
x ^ y
~x & y
If 1100101001101101 is a 16-bit floating point number with a 5-bit exponent value, what is the exponent is base-10?
2: If 1100101001101101 is a 16-bit floating point number with a 5-bit exponent value, what is the exponent is base-10?
60.0s
1
-13
15
3
How many carry bits occur during the binary ripple addition of 0xE7 + 0x9C?
3: How many carry bits occur during the binary ripple addition of 0xE7 + 0x9C?
45.0s
2
6
5
3
The D flip-flop has inputs D and clock and output Q. If D toggles rapidly while the clock is HIGH, what happens to Q
4: The D flip-flop has inputs D and clock and output Q. If D toggles rapidly while the clock is HIGH, what happens to Q
45.0s
Q follows D
Q changes unpredictably
Q does not change
Q changes when clock is LOW
How do you know a number is odd?
5: How do you know a number is odd?
15.0s
The number of even bits that are 1 is even
The low order bit is 1
The low order bit is 0
The number of even bits that are 1 is odd
How many 2-input AND gates can make a 4-input AND gate?
6: How many 2-input AND gates can make a 4-input AND gate?
30.0s
3
1
2
4
What is in register 1 after the following (Assume registers initialize at 0): 0x64 0x04 0x71 0x80 0x64 0x67 0x80
7: What is in register 1 after the following (Assume registers initialize at 0): 0x64 0x04 0x71 0x80 0x64 0x67 0x80
90.s
0x67
0x00
0x04
0x64
What happens if you feed 1 into A1, but 0 into A3 in a register file?
8: What happens if you feed 1 into A1, but 0 into A3 in a register file?
45.0s
The register file throws an error
You write to register 1 and read from register 0
You write to register 1 and read from register 3
The register file writes register 1 to memory