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Programming Portal MCQs [8064]
You will find all MCQs which are added in Programming Portal by Mr. Dubey
Q. Which of the following IM client allow their users to connect to the different major IM services?
Q. The service FreeDrive is storage that allows . . . . . . . . users to view the content of others.
Q. To decide on a backup strategy for your organization, which of the following should you consider?
Q. . . . . . . . . feature allows you to optimize your system and capture all possible transactions.
Q. The technology used to distribute service requests to resources is referred to as . . . . . . . .
Q. Which of the following methods do we use to find the best fit line for data in Linear Regression?
Q. What is the primary purpose of the "Confusion Matrix" in the evaluation of classification models?
Q. What Python function is used to read a CSV (Comma-Separated Values) file into a Pandas DataFrame?
Q. What is the primary purpose of the Seaborn library in Python for data analysis and visualization?
Q. In Python, which library is often used for creating animated and interactive data visualizations?
Q. In Pandas, which method is used to pivot data from long to wide format, creating a new DataFrame?
Q. What is the primary purpose of the "groupby" method in Pandas when working with categorical data?
Q. What is the primary purpose of the "rolling" method in Pandas when working with time series data?
Q. In a data science capstone project, what is the significance of a well-defined problem statement?
Q. What is the significance of "domain knowledge" in the context of a data science capstone project?
Q. What is the main advantage of using "parallel coordinates" for visualizing multidimensional data?
Q. In a distributed computing environment, what is the purpose of "data partitioning" or "sharding"?
Q. Which machine learning algorithm is commonly used for time series forecasting and trend analysis?
Q. Which of the following is NOT a type of machine learning algorithm commonly used in Data Science?
Q. Which of the following is a correct way to define a method that takes multiple arguments in Ruby?
Q. What is the output of the given code? a=[1,2,3,4,5] b=[1,2,4,6,8] if a[3]==b[2] print "Equal" end
Q. What is the output of the given code? if !true print "False" elsif !true || true print "True" end
Q. What is the output of the given code? a=5 b=15 while b>a puts a*(b-a) while a>b a+=1 b-=1 end end
Q. What is the output of the given code? counter = 0 until counter >= 10 puts counter counter+=1 end
Q. What is the output of the given code? counter = -50 while counter <0 puts counter counter+=10 end
Q. What is the output of the given code? counter = 2 while counter < 68 puts counter counter**=2 end
Q. What will be the output of the given code? "Come let's learn.reverse Ruby.length language".upcase
Q. How do you create a bar plot in ggplot2 for a categorical variable named category and its counts?
Q. What function is used to create a new variable in a dplyr data frame based on existing variables?
Q. Which of the following evaluate the Normal probability density (with a given mean/SD) at a point?
Q. What will be the output of the following R code snippet? > f <- function(a, b) { + a^2 + } > f(2)
Q. . . . . . . . . function can be used to select the random sample of size 'n' from a huge dataset.
Q. How do you install a package in R from the CRAN repository using the install.packages() function?
Q. Which of these packages contains all the classes and methods required for event handling in Java?
Q. The term _____________ refers to a class's direct ancestor or to any of its ascendant.~~~classes.
Q. When you point to a text entry in the Office Clipboard gallery in the Clipboard task pane, _____.
Q. To place something in the same position on every slide of presentation automatically, insert into
Q. What lets you to create new presentation by selecting ready-made font color and graphics effects?
Q. In Microsoft PowerPoint the entry effect as one slide replaces another in a show is called a (an)
Q. In Microsoft PowerPoint we can replace a font on all slides with another font using the …. option
Q. In Microsoft PowerPoint the following format options should be used to display dollars on an axis
Q. In Microsoft PowerPoint two kind of sound effects files that can be added to the presentation are
Q. In Microsoft PowerPoint the following presentation elements can you modify using the slide master
Q. In Microsoft PowerPoint the following toolbars provides different options in various master views
Q. In the form wizard dialog box, the fields from the selected table are displayed in this list box.
Q. Which of the following field properties enforces the use of parentheses when keying an area code?
Q. In the Relationship window, related fields from each table are connected by a(n) _______________.
Q. A(n) _______________ query makes changes to or moves records in a dynaset, in a single operation.
Q. Which action do you use in a a macro to automatically send a report snapshot in an email message?
Q. If you want all of the white cats grouped together in the database, you need to sort by ________.
Q. To create an interactive Pivot Table for the web, you use a Microsoft Office Web component called
Q. In Excel when you see a cell with a red triangle in the top right corner, what does this signify?
Q. With a umask value of 112, what is the default permission assigned to newly created regular file?
Q. Under UNIX the key board is the default input device and the monitor is the default output device
Q. The up level browser will perform validation on the client, using the _________ and _____________
Q. The ______ are the Graphical User Interface (GUI) components created for web based interactions..
Q. Which of these packages contains all the classes and methods required for event handling in Java?
Q. Multiple inheritances is not supported in case of class but it is supported in case of interface.
Q. When a child process terminates before the parent process closes, which of the following is true?
Q. Which among the following list of operators has the highest precedence? +, -, **, %, /, <<, >>, |