Post-Test for Introduction to Computing (CS1), Fall 2000
Total Responses = 35
Question 1: Multiple
Choice |
|
C++ is:
|
% |
An easy to understand programming
language. |
23% |
A low-level language for machine
execution. |
14% |
A high-level language for solving
problems. |
60% |
I don't know. |
3% |
Question 2: Multiple
Choice |
|
Object-oriented
software typically uses a problem-solving strategy known as: |
% |
Top-down decomposition or
deduction. |
51% |
Hacking or trial and error. |
6% |
Analogical reasoning or
generalization |
34% |
I don't know. |
9% |
Question 3: Multiple
Choice |
|
Which of
the following is true in C++: |
% |
3 = 3.0 |
14% |
3 == '3' |
26% |
3 == 3.0 |
57% |
I don't know. |
3% |
Question 4: Multiple
Choice |
|
A
programming language compiler is a program that: |
% |
Translates source code into
machine code. |
74% |
Executes source code on a machine.
|
11% |
Assembles source or machine code
in a library. |
9% |
I don't know. |
6% |
Question 5: Multiple
Choice |
|
Part of
the reason the Java programming language is successful is: |
% |
It is highly efficient, executing
optimized machine code. |
17% |
It is portable to any platform
hosting a Java virtual machine. |
63% |
It is simpler than object-oriented
languages like C++. |
14% |
I don't know. |
6% |
Question 6: Multiple
Choice |
|
The C++
preprocessor: |
% |
Translates code into executable
object code. |
43% |
Expands directives into more C++
source code. |
29% |
Combines code from libraries with
your program's object code. |
11% |
I don't know. |
17% |
Question 7: Multiple
Choice |
|
The
linker: |
% |
Translates code into executable
object code. |
6% |
Expands directives into more C++
source code. |
11% |
Combines code from libraries with
your program's object code. |
69% |
I don't know. |
14% |
Question 8: Multiple
Choice |
|
Java and
Knobby's World source code both get translated: |
% |
into C++. |
0% |
into byte code for a virtual
machine. |
63% |
into machine code for a Pentium or
similar machines. |
26% |
I don't know. |
11% |
Question 9: Multiple
Choice |
|
Why is it
a good idea to put a comment next to a variable? |
% |
Its meaning is more likely to
remain invariant (unchanging). |
66% |
The compiler will prevent
programmers from changing its meaning. |
6% |
Not necessary since the compiler
ignores comments. |
20% |
I don't know. |
9% |
Question 10: Multiple
Choice |
|
In C++ a
class is: |
% |
A set of functions that perform
operations. |
6% |
A set of data that represent the
state of an object. |
3% |
A set of data members and
functions. |
89% |
I don't know. |
3% |
Question 11: Multiple
Choice |
|
A
"waterfall" model of software development: |
% |
Encourages frequent re-analysis or
re-design. |
31% |
Encourages a predictable
non-cyclical order of development. |
26% |
Encourages rapid development of
working code. |
6% |
I don't know. |
34% |
Question 12: Multiple
Choice |
|
Abstract
data types are: |
% |
Always built into C++ and other
high level languages. |
20% |
The same thing as classes in C++. |
31% |
Formal descriptions which one can
implement as classes in C++. |
31% |
I don't know. |
17% |
Question 13: Multiple
Choice |
|
Information
hiding: |
% |
Hides implementation details from
the supplier of a class. |
26% |
Keeps all functions or behaviors
of a class private. |
3% |
Separates public interface from
private implementation. |
69% |
I don't know. |
3% |
Question 14: Multiple
Choice |
|
Object-orientation
a natural way for people to solve problems because: |
% |
Even children can manipulate
objects in computer programs. |
3% |
From childhood, people perceive
the permanence of objects. |
6% |
From childhood, people perceive
the world in terms of categories of objects. |
86% |
I don't know. |
6% |
Question 15: Multiple
Choice |
|
Inheritance
or class derivation: |
% |
Usually models subtype
relationships. |
43% |
Usually models whole-part
relationships. |
14% |
Usually models client-supplier
relationships. |
17% |
I don't know. |
26% |
Question 16: Multiple
Choice |
|
After
creating a set of CRC cards, what is the next step? |
% |
You're done. |
0% |
Implement and test the program. |
9% |
Run simulations using the cards. |
89% |
I don't know. |
3% |
Question 17: Multiple
Choice |
|
Which of
the following is not promoted by class inheritance: |
% |
Enforcing business contracts. |
51% |
Code reuse. |
6% |
Extending existing classes easily.
|
29% |
Making code closed to change yet
open to extensions. |
14% |
Question 18: Multiple
Choice |
|
Where is
the boot program, which starts a PC when you turn it on, stored? |
% |
In RAM (Random-Access Memory). |
9% |
In ROM (Read-Only Memory). |
74% |
On a hard drive. |
11% |
I don't know. |
6% |
Question 19: Multiple
Choice |
|
Machines
equipped with artificial intelligence are now: |
% |
Using human-like techniques to
play championship chess. |
43% |
Better at playing chess than
recognizing faces. |
29% |
Using information hiding to
recognize faces. |
6% |
I don't know. |
23% |
Question 20: Multiple
Choice |
|
A
perceptron: |
% |
Packs the power of a modern CPU
into a single processing unit. |
0% |
Can learn any computational
function from examples. |
6% |
Can learn some but not all
computational functions from examples. |
43% |
I don't know. |
49% |