Computer — All MCQs
4795 questions available
Q3381.An email attachment refers to ______?
Correct Answer: C
An email attachment is a file (like a document, image, or PDF) that is sent along with an email, allowing users to share additional content.
Q3382.In a government office, the primary purpose of filing is to _____?
Correct Answer: C
Filing is designed to secure, preserve, and systematically organize official records to make retrieval fast and simple for administrative actions.
Q3383.In MS Word, the "Track Changes" feature is primarily used to ______?
Correct Answer: A
The "Track Changes" feature in MS Word is used to highlight all edits, deletions, insertions, and comments, which is essential for collaborative reviewing and editing.
Q3384.In web searching, the use of quotation marks (" ") helps to ______?
Correct Answer: C
Quotation marks " " in web searching force the search engine to find that exact phrase in the same word order, narrowing results and improving accuracy.
Q3385.What is the function of Recycle Bin?
Correct Answer: B
The Recycle Bin temporarily stores deleted files and folders from your computer, allowing you to restore them or permanently delete them.
Q3386.An Art of writing code words is called ?
Correct Answer: A
Cryptography represents the mathematical art and science of securing and coding data so that only authorized parties can read it.
Q3387.In computer programming which one thing is not common from the following?
Correct Answer: A
Condition, sequence, and loops are universal structural pillars of programming, whereas business is a non-technical organizational term.
Q3388.What are prototypes primarily used for?
Correct Answer: A
Prototypes are early, experimental models used to test functionality, collect feedback, and refine design concepts before mass manufacturing.
Q3389.What is OCR (Optical Character Recognition) primarily used for?
Correct Answer: B
OCR is a technology used to recognize and convert scanned paper documents or text inside images into editable digital text files.
Q3390.The software which performs all necessary tasks in a computer is ______?
Correct Answer: B
The OS (Operating System) manages all hardware/software operations, resource allocations, and file systems, providing a platform for application programs.
Q3391.The first social networking site was ______?
Correct Answer: A
Six Degrees (1997) is historically recognized as the first true social networking website, allowing users to build profiles and add friends.
Q3392.The picture quality depends on _______?
Correct Answer: C
Image clarity and resolution directly depend on the number of pixels (picture elements) contained in the digital image structure.
Q3393.The shortcut to create a new email is ______?
Correct Answer: A
In most popular email clients (such as Microsoft Outlook), the Ctrl + N keyboard shortcut is used to instantly open a new message window.
Q3394.Page Up, Page Down, Delete, Insert, and Arrow keys are known as _______?
Correct Answer: A
Keys like Page Up, Page Down, Delete, Insert, Home, End, and Arrow keys are classified as navigation keys because they guide on-screen cursor movements.
Q3395.You can open the previously saved program in the computer by clicking on ______?
Correct Answer: A
In Microsoft Office and similar desktop applications, previously saved files are opened through options inside the File Menu.
Q3396.Functions defined by the programmer are known as _____?
Correct Answer: C
Functions created, named, and defined by software developers are called user-defined functions, distinguishing them from standard library (pre-defined) functions.
Q3397.Array is an example of ______?
Correct Answer: B
An array is a classic linear data structure that stores elements of the same type in contiguous memory locations in a sequential, index-based order.
Q3398.A hacker wants to gather information using false e-mail and websites, he/she probably uses ______?
Correct Answer: B
Phishing is a social engineering cyberattack designed to steal credentials, passwords, and banking details by imitating trusted entities via spoofed emails or websites.
Q3399.The clock speed of a computer is measured in _____?
Correct Answer: C
A CPU processor's clock speed indicates how many cycles it executes per second and is measured in Hertz (or Gigahertz - GHz for modern chips).
Q3400.Software used for editing and recording digital audio is called _____?
Correct Answer: C
Audacity is a popular, free, and open-source multi-track digital audio editor and recording application.