Study HubHubPage 76/171Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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Optical Storage Media
What is the capacity of a two-sided DVD?
A standard two-sided, single-layer DVD has a capacity of about 8.5 GB to 8.8 GB. The option closest to this standard capacity is 8.8 GB (Option A). Other options exceed typical DVD capacities.
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Ms Word Features
What is the use of Document Map in MS Word?
The Document Map in MS Word provides a navigation pane that allows users to quickly move through different sections or headings of a document, making navigation faster and easier.
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Memory Types
What kind of memory is both static and non-volatile?
ROM (Read-Only Memory) is both static and non-volatile, meaning it retains data without power and does not require refreshing like RAM. RAM is volatile, BIOS is firmware stored in ROM, and cache is volatile memory used for speed.
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Excel Functions
What is the function of the VLOOKUP formula in Excel?
The VLOOKUP function in Excel searches for a value in the leftmost column of a table and returns a value in the same row from a specified column. Option A correctly describes this vertical lookup process.
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Keyboard Shortcuts
What is the shortcut key to increase the font size of the selected text?
The shortcut key to increase the font size of the selected text in many text editing programs is Ctrl + Shift + >. This combination increases the font size stepwise.
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Malware
What is the name of an application program that gathers user information and sends it to someone through the Internet?
A spybot is a type of malicious software designed to gather user information and send it to a third party over the Internet. The other options do not specifically describe this behavior: a virus is a broader term for malware, a logic bomb triggers under certain conditions, and a security patch is a software update to fix vulnerabilities.
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Keyboard Shortcuts
What is the shortcut key to open the Open dialog box?
The shortcut key Ctrl + F12 is commonly used to open the Open dialog box in many software applications, such as Microsoft Word. This allows users to quickly access files to open without navigating menus.
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Computer Types
What is meant by a dedicated computer?
A dedicated computer is designed to perform one specific task or function, unlike general-purpose computers that can run multiple types of software and tasks. Therefore, option B correctly defines a dedicated computer.
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Memory And Storage
What is the name of a memory buffer used to accommodate a speed differential?
A cache is a memory buffer that stores frequently accessed data to bridge the speed gap between the fast CPU and slower main memory, effectively accommodating speed differentials.
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Access Control
What is the most common tool used to restrict access to a computer system?
Passwords are the most common and widely used tool to restrict access to computer systems by verifying user identity before granting access.