Computer — All MCQs
4795 questions available
Q3241.Which device is used for printing documents?
Correct Answer: C
A printer is an output hardware device used to generate permanent physical copies (hard copies) of digital documents.
Q3242.How many Arrow keys are in keyboard of computer?
Correct Answer: A
A standard computer keyboard features four arrow navigation keys: Up, Down, Left, and Right.
Q3243.Plotter is an example of _______?
Correct Answer: A
A plotter is an output hardware device used to print large vector graphics and engineering blueprints using active pens.
Q3244.Mark Zuckerberg is associated with which of the following?
Correct Answer: C
Mark Zuckerberg is the prominent technology entrepreneur who co-founded Facebook (now Meta Platforms, Inc.) in February 2004.
Q3245.A joystick is a(n) _____ device.
Correct Answer: C
A joystick is an input device consisting of a handheld stick that pivots on a base to report its angle or direction to games/simulations.
Q3246.What is the main purpose of CAPTCHA?
Correct Answer: B
CAPTCHA stands for 'Completely Automated Public Turing test to tell Computers and Humans Apart', verifying that a user is human rather than an automated bot.
Q3247.In networking, which of the following is true?
Correct Answer: B
HTTPS secures web traffic over port 443, while DNS stands for Domain Name System (the phone book of the internet).
Q3248.Which menu is used to add a slide show in PowerPoint?
Correct Answer: A
The 'Slide Show' tab/menu on the PowerPoint ribbon is where users set up, configure, rehearse, and launch full-screen presentations.
Q3249.The stream of communication messages is called ______?
Correct Answer: C
In telecommunications and business, the continuous stream or movement of transmitted messages is termed the flow of communication.
Q3250.RAM is what type of storage?
Correct Answer: B
RAM (Random Access Memory) is classified as primary storage. It is ultra-fast, volatile main memory used directly by the CPU.
Q3251.One Perabyte is equal to?
Correct Answer: C
One Petabyte (spelled 'Perabyte' as a typo in the source) is equivalent to 1024 Terabytes (TB) of digital data.
Q3252.Quick Response (QR Code) reader is an example of ________?
Correct Answer: A
A QR Code reader is an input scanner that reads graphical codes and converts them into digital data to feed into the system.
Q3253.Barcode reader is a device ____?
Correct Answer: A
A barcode scanner is an input hardware device that captures and reads information encoded inside printed black-and-white barcodes.
Q3254.Select the correct shortcut key which is used to underline a written paragraph?
Correct Answer: B
Ctrl + U is the standard MS Word keyboard shortcut used to apply or remove underlining on selected text or paragraphs.
Q3255.Ctrl + N Shortcut key is used in MS Word to _______?
Correct Answer: C
Ctrl + N is the keyboard shortcut used to create a new, blank document in MS Word.
Q3256.Website is a______?
Correct Answer: A
A website is essentially a group of interconnected web pages containing data, text, and media under a common domain name.
Q3257.Which short cut key is used to calculating current sheet in MS Excel?
Correct Answer: B
Shift + F9 specifically calculates formulas and updates active cells only on the currently active worksheet tab in MS Excel.
Q3258.To display the contents of folders in Window Explorer we should ?
Correct Answer: A
Clicking (or double-clicking) on a folder in Windows File Explorer opens and displays its subfolders and files.
Q3259.Files created with Lotus 1-2-3 have an extension of?
Correct Answer: B
Files created in Lotus 1-2-3 traditionally use the .WK1, .WKS, or .123 extensions.
Q3260.Vector graphics is composed of_____________?
Correct Answer: A
Vector graphics are composed of paths (mathematical formulas defining lines, curves, and shapes) rather than a static grid of pixels.