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COSC Final Exam Questions and Answers
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COSC Final Exam Questions and Answers
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COSC Final Exam Questions andAnswers
The popular programming languages Python and ________ are the two most widely
used data-science languages. - Answer -R
Which logical unit of the computer is the receiving section? - Answer -input unit
Python recently surpassed the programming language ________ as the most popular
data-science programming language. - Answer -R
T/F : Translator programs called assemblers convert high-level-language source code
into machine language. - Answer -False
T/F : Computing costs are rising dramatically, due to the increasing complexity of
hardware and software technologies. - Answer -False
A(n) ________ is the smallest data item in a computer. It can have the value 0 or 1. -
Answer -bit
In which IPython interpreter mode do you enter small bits of Python code called
snippets and immediately see their results? - Answer -interactive mode
T/F : a gigabyte is 1024 megabytes. - Answer -true
T/F: Interpreter programs, developed to execute high-level language programs directly,
avoid the delay of compilation, and run faster than compiled programs. - Answer -false
In the following expression, the addition operators (+) group as if we parenthesized the
expression as a+(b+c). - Answer -false
Python ignores all white space. - Answer -
If an expression contains several exponentiation operations, Python applies them from
left to right. - Answer -false
, What does the int function attempt to do in the following code? - Answer -Convert a
string to an integer
Which of the following statements about arithmetic operators is false? - Answer -
Expressions containing an integer and a floating-point number are mixed-type
expressions-these always produce an integer.
Placing two backslashes back-to-back tells print to display a blank line. - Answer -false
Each suite contains zero or more statements. - Answer -false
Using the assignment symbol (=) instead of the equality operator (==) in an if
statement's condition is a common logic error. - Answer -false
The value of the following expression is 3:
17 % 5 - Answer -false
To square a number, you can use the exponent 1/2 (that is, 0.5), as in:
9 ** () - Answer -false
The value of the expression '7' + '3' is the ________. - Answer -string '73'
The expression -13 // 4 evaluates to -3. - Answer -false
Python is case insensitive, so number and Number are the same identifier despite the
fact that one begins with a lowercase letter and the other begins with an uppercase
letter. - Answer -false
The value 10.5 is a(n) ________ (that is, a number with a decimal point). - Answer -
floating point number
The following statement changes x's value:
x + 10 - Answer -false
Every statement stops at the end of the line in which it begins. - Answer -false
You may spread a lengthy statement over several lines with the ________ continuation
character. - Answer -\
The = symbol is the assignment operator. - Answer -false
A string delimited by double quotes may not include double quotes. - Answer -false
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