Computer sciencia

What type of validation check is this?

• Type check

• Length check

• Range check

• Presence check

Answer explanation

KFCkrzythurs v me 50

Convert denary number 2023 to hexadecimal

• 7E6

• 7A9

• 8E7

• 7E7

Answer explanation

KFCkrzythurs v me 50

The following code keeps asking the participant to spell the first name of SCIE principle until it is correct.

end = ______

while not end:

name = input(“what is the first name of SCIE principle?”)

if name = “Neil”

end = _____

(a)  

Select the shape used for ‘start’ in flowcharts:

• 
• 
• 
• 

Problem 2 (MCQ)

Sequence = [1, 2, 3, 4, 5]

Choice = sample.random(sequence, 3)

What does this “3” mean?

• A. The probability of choosing 3 in the sequence

• B. Choose the third number in the sequence

• C. Choose the fourth number in the sequence

• D. Randomly select three numbers from the sequence

What is a post-condition loop?( )

• A.FOR…TO…NEXT

• B. WHILE…DO

• C. IF…THEN

• D. REPEAT…UNTIL

What is a pre-condition loop?

• FOR…TO…NEXT

• WHILE…DO

• IF…THEN

• REPEAT…UNTIL

True or False:

Code-like statements that are used to design an algorithm and follow any specific language.

• True

• False

Write a pseudocode which ask users to input a word , output the number of vowel letters(a,e,i,o,u) in the word

Write a pseudocode which ask users to input 100 numbers, and output the number of positive values and the number of negative values.