Computer — All MCQs
4795 questions available
Q4661.Which of the following input devices can interact directly with a computer's microprocessor?
Correct Answer: C
The microprocessor processes signals and receives input instructions from both keyboards and mouse pointing devices.
Q4662.A computer mouse pointing device is designed to be utilized in which category of operating systems?
Correct Answer: B
While text-based systems like DOS do not typically require a mouse, GUIs rely heavily on a mouse to select icons, drag windows, and click buttons.
Q4663.How is a currently selected or active cell visually indicated in an MS Excel worksheet?
Correct Answer: C
The active cell in Microsoft Excel is highlighted with a wide, bold border (cell cursor) to distinguish it from the rest of the grid.
Q4664.What is the name of the basic chart option provided in MS PowerPoint Starter to visualize data?
Correct Answer: C
MS PowerPoint Starter provides basic visual templates called Starter Charts to create simple data visualizations.
Q4665.Which document view in Microsoft Word is designed primarily for text layout and structure editing, and cannot display graphics?
Correct Answer: A
In older Word versions, Normal View (Draft View) suppresses complex elements like graphics and page boundaries to focus purely on text.
Q4666.What is the data transmission mode when communication is unidirectional, with only one sender sending messages to a receiver?
Correct Answer: C
In Simplex mode, data flows in only one direction (unidirectionally). Examples include a radio broadcast or keyboard-to-PC connection.
Q4667.A twisted wire pair (UTP/STP) is most commonly used in the construction of which cabling standard?
Correct Answer: B
Ethernet cables (like Cat5e or Cat6) use twisted pairs of copper wires to transmit networking signals and reduce electromagnetic interference.
Q4668.A server used to temporarily store copies of recently visited websites and web pages in its database is called a?
Correct Answer: D
A cache server (or web cache) stores copies of web content locally to speed up future requests and save bandwidth.
Q4669.To which class of IPv4 addresses does the IP address 198.168.10.0 belong?
Correct Answer: C
Class C IPv4 addresses fall in the range of 192.0.0.0 to 223.255.255.255.
Q4670.In July 2022, Elon Musk pulled out of a highly publicized $44 billion acquisition deal to buy which company?
Correct Answer: C
Elon Musk signed an agreement to acquire Twitter in April 2022, attempted to terminate it on July 8, 2022, and eventually completed the buyout later that year.
Q4671.Which of the following bars is NOT available in the Microsoft Word application window?
Correct Answer: A
The Formula Bar is a hallmark feature of Microsoft Excel spreadsheets and is not part of the standard MS Word workspace.
Q4672.What is the function of the Maximize button located in the upper-right corner of a Microsoft Word window?
Correct Answer: B
The Maximize button expands the active window to fill the entire desktop area.
Q4673.Which of the following protocols is categorized specifically as an Application Layer protocol in networking?
Correct Answer: A
HTTP (Hypertext Transfer Protocol) operates at the Application Layer (Layer 7). TCP operates at the Transport Layer (Layer 4), and IP at the Network Layer (Layer 3).
Q4674.If a computer beeps repeatedly during startup or fails to boot, what is the source generating this error signal?
Correct Answer: C
Startup beep codes are POST (Power-On Self-Test) diagnostic signals generated by the BIOS/UEFI firmware to report hardware initialization failures.
Q4675.For high-speed data transfer between computer peripherals, which connection standard offers the best performance among these options?
Correct Answer: B
USB 3.0 is a high-speed peripheral interface standard capable of transfer rates up to 5 Gbps, significantly faster than USB 2.0 (480 Mbps).
Q4676.When installing system updates in Microsoft Windows, what is the best practice to follow?
Correct Answer: B
Using Microsoft's Recommended Settings ensures that critical security patches and system updates are installed automatically and securely.
Q4677.From which of the following hardware devices does a computer microprocessor typically receive input commands?
Correct Answer: C
The microprocessor processes electrical input signals received from both mouse pointing devices and keyboard entry devices.
Q4678.Which category of server is dedicated to managing, storing, routing, and transmitting email messages across networks?
Correct Answer: B
A Mail Server handles email delivery, routing messages using protocols like SMTP, POP3, and IMAP.
Q4679.Which of the following names represents a real, recognized computer virus in information security?
Correct Answer: D
None of the names listed ('Mortar', 'Cacrus', 'Milosous') are real computer viruses; they are completely fictional.
Q4680.In word processing and typography, font size is standardly measured in which unit?
Correct Answer: B
Font size is measured in points (pt), where 1 point is equal to 1/72 of an inch.