COP 3363 Milestone 1
Which of the following characters can be used to represent any number of characters in a filename?
* (asterisk)
Order these operators in decreasing order of precedence (highest to lowest) && ++ / != = <= -
++ (post increment) / (division) - (subtraction) <= (less than or equal to) != (not equal to ) && (logical and) = (assignment)
Computer Programming can be done on two levels. Match the level below with the correct premise. Application Development Software Development -This requires domain knowledge as well as a general understanding of Computer Science. -This requires deeper knowledge of Computer Science including theory and hardware
-Application Development matches This requires domain knowledge as well as a general understanding of Computer Science. -Software Development matches This requires deeper knowledge of Computer Science including theory and hardware.
Match the definitions of the following UNIX features to their respective definitions Command-Line Based Multi-User Multitasking -The User interacts with the System using text commands -Many users may be using the system at any given time -Multiple tasks/processes may be running on the system at any given time
-Command-Line Based matches The User interacts with the System using text commands -Multi-User matches Many users may be using the system at any given time -Multitasking matches Multiple tasks/processes may be running on the system at any given time
Match these UNIX terms with their descriptions Directory, Executable, Text Editor, Process -A file that may contain other files -A file that can be understood by the machine and therefor run to produce an output - A program that can be used to edit the contents of a text file -A program that is currently running
-Directory matches A file that may contain other files -Executable matches A file that can be understood by the machine and therefor run to produce an output -Text Editor matches A program that can be used to edit the contents of a text file -Process matches A program that is currently running
Consider the current directory has 2 directories called Dir1 and Dir2. We use the cd command to move into Dir1. Now that we are in Dir1, write the relative path from Dir1 to a file called "document.pdf" in the Dir2 directory.
../Dir2/document.pdf
How many characters does a ? wildcard represent in a file name?
1
What is the chmod numeric code for assigning the following permissions? Write and Execute for the group Read and Write for the user Read and Execute for the others
635
Which of the following lexical elements is completely ignored by the compiler?
Comments
T or F Deleted UNIX files and directories may be restored easily
False
T or F Many if statements and a multiple if statement may be used interchangeably without any other changes.
False
T or F UNIX commands may be written in either case. For example, "CLEAR" and "clear" will have the same effect.
False
What are the two modes in the vim text editor?
Insert and Command
The UNIX <blank> is the only component of the UNIX system that may directly interact with the Hardware.
Kernel
The program is translated into an executable and avilable for running after which phase?
Linking
is iostream a keyword?
No
If we delete a directory with files in it, it will also automatically remove the files in that directory
No, the rmdir command will fail
C++ is a <blank><blank> language
Object Oriented Language
Order the phases of software engineering: Design and Analysis Requirement Gathering Implementation Maintenance Testing
Requirement Gathering Design and Analysis Implementation Testing Maintenance
Every piece of data in C++ may be evaluated to a truth value of True or False.
True
T or F We might get unexpected results if we do not initialize variables
True
The pwd command displays the <blank> path to the current directory.
absolute
The insertion operator << is (unary, binary, ternary)
binary
A <blank> is the smallest addressable unit of memory in a computer
byte
Write a single UNIX command to change the directory to a directory called Programs in your home directory.
cd ~/Programs
c++ as a programming language is
compiled
the <blank> statement is used to print text to the screen
cout
A file with "d" as the first character of the long form listing is a <blank>
directory
What is the syntax for setting up a for loop?
for(int i=0; i<10; i++)
the "cd" command with no arguments will take you to your <blank> directory
home
A loop with an incorrect condition or increment will allow program control to get stuck in the loop forever. Such a loop is called an <blank> loop.
infinite
Which of the following utilities to view file contents displays file contents one "page" at a time and allow a user to scroll upwards in a mutli-page file?
less
Which part of a loop is always executed exactly once?
loop initialization
Which of the following UNIX commands will give us a listing of all files in the current directory along with their properties?
ls -l
The <blank> command can be used to view the users manual for a UNIX command
man
Write a UNIX command to create a directory called "MyFiles" in your home directory. Use the shortcut notation for your home directory.
mkdir ~/MyFiles
Write a Unix command to move a file called "example.txt" from your current directory to the home directory and rename it "firstSample.txt"
mv example.txt ~/firstSample.txt
Operators <blank> determines which operation is performed first when we have operators of different types on the same line.
precedence
The current directory contains 8 files numbered file1.txt, file2.txt, ... file8.txt. Write a SINGLE UNIX command to delete all of these files, and no others.
rm file?.txt
Write a single UNIX command to delete the empty directory called "Notes" in the directory that contains your current directory (1 level up)
rmdir ../Notes
The <blank> format specifier is needed to print 4567.3 as 4.5673e+3
scientific
What is the default shell in the linprog machine
tcsh
is many_numbers a valid c++ identifier?
yes
