Question

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unit 5 quiz
cs-040: exploring computer science 1 dimitrova 4th / unit 5: what more can i do with basic program

1. what is important to consider when writing an algorithm? (select all that apply.)

the order of the parts of an algorithm should be randomly scrambled
algorithms should only be written between 12:00 and 2:00 pm.
all parts of the algorithm should be in order
the algorithm should have all the details that the computer or person needs

1. combine the following binary numbers as seen in the video from the lesson and select the correct answer.

10001000
01110111
11111111
01111000
00000000

Explanation:

Step1: Analyze algorithm writing rules

Evaluate each option for question 1:

• Randomly scrambled order is invalid, algorithms need structure.
• Time of day has no impact on algorithm validity.
• Ordered steps are required for correct execution.
• Sufficient details ensure the algorithm works as intended.

Step2: Compute binary combination

Assume the operation is binary XOR (common in such lessons):

$$\begin{align*} 10001000 \\ \oplus\ 01110111 \\ \hline 11111111 \end{align*}$$

XOR rule: $1\oplus0=1$, $0\oplus1=1$, $1\oplus1=0$, $0\oplus0=0$

Answer:

1. Correct options:

• All parts of the algorithm should be in order
• The algorithm should have all the details that the computer or person needs

1. Correct option:

• 11111111