COSC 1436 Test 2 Review UPDATED ACTUAL Questions and CORRECT Answers
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Course
COSC 1436
Institution
COSC 1436
COSC 1436 Test 2 Review UPDATED
ACTUAL Questions and CORRECT
Answers
If you need to know all of the names of the files in a specific directory for which you know
the path you could use the function? - CORRECT ANSWER- listdir(path)
The variable data refers to the string "". Which expression w...
COSC 1436 Test 2 Review UPDATED
ACTUAL Questions and CORRECT
Answers
If you need to know all of the names of the files in a specific directory for which you know
the path you could use the function? - CORRECT ANSWER✔✔- listdir(path)
The variable data refers to the string "myprogram.exe". Which expression will have the value
of "gram"? - CORRECT ANSWER✔✔- data[5:9]
A ________ uses a plaintext character to compute two or more encrypted characters and each
encrypted character is computed using two or more plaintext characters. - CORRECT
ANSWER✔✔- block cypher
Which file method is used to read the entire file in a single operation? - CORRECT
ANSWER✔✔- read
The binary number 1100110 converted to Octal is? - CORRECT ANSWER✔✔- 146
The binary number 1111011 converted to hexadecimal is? - CORRECT ANSWER✔✔- 7B
Where 's' is a string the expression needed to return a True if 's' contains only letters or False
otherwise, would be? - CORRECT ANSWER✔✔- s.isalpha()
The _______ function returns the character associated with an ordinal position value from the
ASCII character set. - CORRECT ANSWER✔✔- chr
While 's' is a string, to return a list of words in 's' using 'sep' as the delimiter and if no 'sep' is
specified then any white space will act as the separator, you would use which string method?
- CORRECT ANSWER✔✔- s.split([sep])
, Encoding techniques have been used for centuries. Using the Caesar cypher technique with n
offset of 4, what would the encoded version of the word "emergency" be? - CORRECT
ANSWER✔✔- iqivkirgc
The Hexadecimal number 7BFE8 converted to decimal is? - CORRECT ANSWER✔✔-
1111011111111101000
What number system is used for all coding schemes and is used for the design of all modern
day electronic computers? - CORRECT ANSWER✔✔- binary
The variable data refers to the string "myprogram.exe". What will be the value of the
following expression?
data[2] - CORRECT ANSWER✔✔- p
Given the variable data which refers to the string "No way!" the expression data[1] would
evaluate to? - CORRECT ANSWER✔✔- o
The _______ function return the ordinal position in the ASCII character set. - CORRECT
ANSWER✔✔- ord
The Hexadecimal number 8D converted to Octal is? - CORRECT ANSWER✔✔- 215
Operating system commands such as chdir(path), and rmdir(path) are called _________ . -
CORRECT ANSWER✔✔- module functions
The Octal number 704 converted to binary is? - CORRECT ANSWER✔✔- 111000100
Given the variable data which refers to the string "No way!", the expression data[3:6] would
evaluate to? - CORRECT ANSWER✔✔- way
The Octal number 201 converted to decimal is? - CORRECT ANSWER✔✔- 129
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