Viaan's Computer Quiz
Authored by Prateek Sureka
Computers
5th Grade
Used 2+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
On a 32 bit computer, how many bytes are there in a long?
4
8
16
32
Answer explanation
A Long is twice the length of an integer. On a 32 bit computer, an integer has 32 bits or 4 bytes. Therefore, a long has 8 bytes.
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the data type used for a number with decimal places?
scale
array
integer
float
Answer explanation
A number with decimals can be stored using a "float" or a "double"
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What data type is used to store a series of letters or a word or a paragraph
sentence
thread
string
line
Answer explanation
A string contains a series of letters
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Name an encoding which is used to represent letters numerically in memory
SKII
ASCII
PETSCII
MUSKY
Answer explanation
ASCII or the American Standard for Computer Information Interchange is a way to store strings as numbers in memory. "A" is 65 and "a" is 97
5.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
What are the possible values for a boolean? Select all that apply
true
infinity
false
null
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Bonus Question:
What is the name for the data type which stores a list of items?
Answer explanation
An array contains a list of integers, floats or a list of strings
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