Computer — All MCQs
4795 questions available
Q4101.Which of the following data transmission mediums provides the highest speed and bandwidth?
Correct Answer: C
Optical fiber uses light waves inside glass or plastic strands, offering extremely high data transmission speeds and bandwidth over long distances.
Q4102.What is the process of converting simple high-level programming language into binary machine language called?
Correct Answer: A
A compiler converts high-level source code into low-level machine code all at once, whereas an interpreter does it line by line at runtime.
Q4103.Which social engineering technique is used to steal passwords and usernames by masquerading as a legitimate entity?
Correct Answer: B
Phishing uses fraudulent emails or fake websites to deceive users into disclosing sensitive personal details like credentials.
Q4104.Which keyboard shortcut applies an Italic format to selected text?
Correct Answer: A
The shortcut Ctrl + I is used to italicize selected text in MS Office and other popular word-processing packages.
Q4105.Which of the following is NOT a recognized type of chart in MS Excel?
Correct Answer: A
Pie-charts and Area charts are built-in visualization tools in Excel. A T-graph (T-chart) is a simple graphic organizer used for comparisons.
Q4106.Which Microsoft Office application includes a basic built-in photo editor to adjust pictures on slides?
Correct Answer: A
MS PowerPoint includes picture-editing tools on its Picture Tools contextual tab, allowing cropping, brightness adjustments, and basic filters.
Q4107.Two or more computers connected to each other to share data and common resources form a ______?
Correct Answer: D
A computer network is defined as two or more computing systems linked together by a transmission medium to share data, files, and hardware.
Q4108.Which feature in MS Word automatically identifies and corrects commonly misspelled words as you type?
Correct Answer: A
AutoCorrect automatically fixes spelling mistakes, standardizes capitalization, and expands designated text abbreviations on the fly.
Q4109.In an email client or account, which of the following stores a list of contact names and email addresses?
Correct Answer: A
The Address Book stores list entries of contact names and associated email addresses, allowing easy selection when sending emails.
Q4110.In spreadsheet programs like Excel, sorting can be executed based on which criteria?
Correct Answer: D
Excel supports sorting data rows based on multiple field types, including alphabetical text, numeric values, and chronologically by dates.
Q4111.Which digital container format is most widely used for transmitting and streaming video data over the internet?
Correct Answer: D
MP4 (MPEG-4 Part 14) is highly compressed and universally supported, making it the standard format for video streaming on modern platforms.
Q4112.Which PowerPoint feature applies motion effects specifically when one slide exits the screen and the next one enters?
Correct Answer: B
Slide Transitions determine the animation and movement that occurs during the transition window between two successive slides.
Q4113.In MS Word, when a user inserts a comment on a text selection, where does the comment text appear?
Correct Answer: B
By default, MS Word displays comments inside visual callouts or 'balloons' located in the right-hand margin of the page.
Q4114.Which of the following elements in Windows 7 can display real-time weather information directly on the desktop?
Correct Answer: C
Windows Desktop Gadgets were small active widgets used in Windows 7 to display real-time weather, CPU statistics, calendar info, or news.
Q4115.An orderly, structured display of information on slides using different multimedia elements (text, audio, video) is called a ______?
Correct Answer: B
A slide show or presentation that incorporates text, images, video, and audio to deliver an structured message is a multimedia presentation.
Q4116.Which of the following is NOT an Excel 'What-If Analysis' tool?
Correct Answer: A
What-If Analysis tools in Excel include Goal Seek, Scenario Manager, and Data Tables. Auto Outline is used for grouping and structuring data.
Q4117.A type of malicious software that is designed to masquerade as legitimate, safe software is a ______?
Correct Answer: C
A Trojan Horse disguises itself as helpful or legitimate software to trick users into installing it, then executes its malicious payload.
Q4118.Which communication mode allows data transmission to take place in both directions simultaneously?
Correct Answer: B
Full Duplex allows simultaneous two-way transmission (e.g., telephones). Half Duplex is alternating (e.g., walkie-talkies); Simplex is one-way.
Q4119.How are horizontal rows labeled in a Microsoft Excel worksheet?
Correct Answer: A
Worksheets are divided into grids where vertical columns are labeled alphabetically (A, B, C) and horizontal rows numerically (1, 2, 3).
Q4120.When creating a new database table, which method allows selecting pre-defined fields from standard templates?
Correct Answer: C
The Table Wizard guides users to create new tables by selecting from a list of standardized template fields (such as 'First Name' or 'Address').