32Max. score: 1.00Predict the output of the following pseudo-codeInteger p, q, r, s Set p = 4, q = 2, r = 1 s = (p AND q) OR (r + 1) Print s1235
Question
Predict the output of the following pseudo-code
Integer p, q, r, s
Set p = 4, q = 2, r = 1
s = (p AND q) OR (r + 1)
Print s
- 2
- 3
- 5
Solution
The pseudo-code provided is a simple logical and arithmetic operation. Here's how it works:
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Initialize the variables: p is set to 4, q is set to 2, and r is set to 1.
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The AND operation is performed on p and q. In binary, 4 is 100 and 2 is 10. The AND operation compares each bit of the first operand to the corresponding bit of the second operand. If both bits are 1, the corresponding result bit is set to 1. Otherwise, the result bit is set to 0. So, 4 AND 2 would result in 0.
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The value of r is incremented by 1, so r becomes 2.
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The OR operation is performed on the result of the AND operation (which is 0) and the incremented value of r (which is 2). The OR operation compares each bit of the first operand to the corresponding bit of the second operand. If either bit is 1, the corresponding result bit is set to 1. Otherwise, the result bit is set to 0. So, 0 OR 2 would result in 2.
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The value of s, which is the result of the OR operation, is printed. So, the output of this pseudo-code would be 2.
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