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Computer Science
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Questions (2,440)
4. When you run a program or execute a Linux command you have created a process.
a) True b) False
1 answer
asked by
Anonymous
64 views
3. The following sed command can be used to clean up files by removing empty lines from the content of the Sed_File.txt file:
a)
1 answer
asked by
Anonymous
95 views
2. The following sed command removes the first 10 lines from a file:
a) Sed ‘1.10d’ < filename b) Sed ‘/1,10/d’ <
1 answer
asked by
Anonymous
78 views
29. The REGEX asterisks (*) character has exactly the same meaning as the Globbing (wildcard) asterisks (*) character.
a) True b)
3 answers
asked by
Anonymous
82 views
27. All of the following can be used to identify a system account except ______?
a) Id between 1 and 499 b) Absence of a home
1 answer
asked by
Anonymous
83 views
24. The following environment variable stores the exit status of the last executed command:
a) $$ b) #* c) $# d) $?
1 answer
asked by
Anoymous
73 views
20. The following grep command will search the f.txt file for lines containing any number of spaces (at least one space must be
1 answer
asked by
Anonymous
90 views
19. The /etc/passwd file is an example of a flat file database.
a) True b) False
1 answer
asked by
Anonymous
62 views
17. The following environment variable is responsible for the appearance of the shell command prompt.
a) PROMPT b) PATH c) PS1 d)
1 answer
asked by
Anonymous
85 views
16. When you enclose a command between two _______, the shell replaces the command with the output of the command (Command
1 answer
asked by
Anonymous
98 views
14. The following grep command will search the f.txt file for all lines containing any stand-alone three digit number.
a) Grep
1 answer
asked by
Anonymous
85 views
12. All bash variables are integers by default.
a) True b) False
1 answer
asked by
Anonymous
59 views
8. The following command allows users to execute commands as root users:
a) Root b) Asroot c) Su d) Sudo
1 answer
asked by
Anonymous
70 views
7. A question mark (?) is a REGEX character that is used to describe any single character.
a) True b) False
1 answer
asked by
Anonymous
71 views
1. The following grep command will search the f.txt file for lines start with either upper- or lower-case character w and end
1 answer
asked by
Anonymous
83 views
What is the grep command will search the f.txt file for lines start with either upper or lower case character w and end with a
1 answer
asked by
Anonymous
74 views
Explain a insertion
1 answer
asked by
Marjolyn
67 views
What is the difference between a flow diagram with input, rule, and output and a flow diagram with the combination of Basic
2 answers
asked by
Lethokuhle
105 views
identify and illustrate the following: Input; Rule,
Output
3 answers
asked by
Lethokuhle
77 views
The number of arrows key on a keyboard are
2 answers
asked anonymously
40 views
Which of these computer languages can only be run without modification
A) assembly B) high level C) low level D) program
2 answers
asked anonymously
50 views
Which of these computer languages can only be run without modification
2 answers
asked anonymously
117 views
Which of the following describes the operating system?
(1 point) Responses It commands and controls all of the hardware and other
2 answers
asked anonymously
187 views
Multiple Choice
Which of the following is not an example of malicious code? (1 point) Responses Trojan horse Trojan horse worm
2 answers
asked by
two trucks
145 views
What is SQLs?
2 answers
asked by
Ayansa Dabesa soboka
35 views
How many different keys are used for symmetrical encryption?
zero one two three
1 answer
asked anonymously
58 views
I will be giving answer here
11 answers
asked by
BlazeRodriguez
62 views
What are the two main goals of normalisation
2 answers
asked by
Freezer
75 views
In this problem, we want to do classification over a different training dataset, as shown in plot below:
2. (1) 1 point possible
4 answers
asked by
Lakshmi Priyanka Kosuru
420 views
Discuss about Object Identity in OODBMS.
2 answers
asked anonymously
49 views
Describe Object and Attributes in OODBMS.
2 answers
asked anonymously
47 views
Describe Object Oriented Data modeling and E-R diagramming.
2 answers
asked anonymously
50 views
Define and Discuss about object oriented DBMS
2 answers
asked anonymously
53 views
Discuss Object Oriented Database Design and Implementation.
2 answers
asked anonymously
86 views
Define and Describe Object Oriented Concepts (Abstraction, Encapsulation, and Information hiding).
4 answers
asked anonymously
52 views
Which of the following statements regarding processing is true?
2 answers
asked anonymously
37 views
Which of the following variable names is invalid in Python?
score_1 5score Score Sc0re
1 answer
asked by
idk
96 views
A function has to have one parameter.
true false
1 answer
asked by
idk
41 views
Jamaal has been staring at the same line of code over and over trying to find the syntax error that his IDE says is on that
3 answers
asked by
idk
133 views
Morgan says that it doesn’t matter what order you put the arguments in to call a function. Is she correct?
Yes, python will use
2 answers
asked by
idk
136 views
Morgan says that it doesn’t matter what order you put the arguments in to call a function. Is she correct?
1 answer
asked by
idk
95 views
What is the output of this program?
def cost(item1, item2): total = item1 + item2 cost(80, 70)
3 answers
asked by
idk
56 views
1. Encrypt this binary string into cipher text: 110000. Include in your answer the formula the decoder would use to decrypt your
1 answer
asked by
help me god pls
111 views
After you apply a transition, ________ appears below the slide in Slide Sorter view and below the slide number in the slide tab.
2 answers
asked by
D
48 views
1. Which of the following is NOT an example of malicious code?
D. spy gear 2. What is malware short for? C. malicious software 3.
3 answers
asked by
pan101
626 views
How did the AARON, the first computer program, make a significant contribution to the digital arts?
(1 point) Responses It could
4 answers
asked anonymously
96 views
Find out how computers read information.
1 answer
asked by
rstaats88
68 views
learn about women in computer science.
1 answer
asked by
rstaats88
50 views
algorithms for a computer that follow a sequence.
1 answer
asked by
rstaats88
53 views
.
If you created a variable that contains letters AND numbers, what data type would that value be? a float a string a Boolean an
1 answer
asked by
Addrian
73 views
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