Exam (elaborations)
COSC Final Exam Questions and Answers
- Course
- Institution
COSC Final Exam Questions and Answers
[Show more]
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80467 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now