Computer — All MCQs
4795 questions available
Q3921.Which of the following is an example of a real-time operating system?
Correct Answer: A
Process Control systems require deterministic timing and immediate responses to events, classifying them as real-time operating systems.
Q3922.A(n) ____ computer is a computer that continues to operate when one of its components fails, ensuring that no data is lost.
Correct Answer: A
A fault-tolerant computer uses redundancy to continue running continuously even during a component failure.
Q3923.The operating system that a computer uses sometimes is called the ______?
Correct Answer: C
The underlying operating system on which software is executed is frequently referred to as the platform.
Q3924.Selecting Zoom command ______?
Correct Answer: B
The Zoom command changes the magnification or display scale, enlarging or shrinking the view on screen without altering the actual file size.
Q3925.______ are types of changes that occur when text has been omitted from a document and must be inserted later.
Correct Answer: D
These are called insertions. Since insertion is not listed in the choices, None of these is correct.
Q3926.Headers and footers can include text and graphics, as well as the _____?
Correct Answer: D
Headers and footers can store page numbers, current date, current time, and other document metadata.
Q3927.A ________ contains buttons, boxes, and menus that allow tasks to be performed more quickly than using the menu bar.
Correct Answer: A
Toolbars (and modern ribbons) contain quick-access graphical buttons and controls.
Q3928.Which of the following cannot be inserted from Insert > Picture in MS Word?
Correct Answer: C
While Charts and Clipart can be added as illustrations, a Graph is not directly inserted through the Insert > Picture menu path.
Q3929.The ______ in the Resume Wizard dialog box indicates the wizard is ready to create a document.
Correct Answer: A
The Finish panel in the wizard interface indicates that all settings are complete and the document is ready to be generated.
Q3930.To browse the Web, you need a _______?
Correct Answer: B
Web surfing requires a computing device with internet connectivity and a web browser software application.
Q3931.The major carriers of network traffic on the Internet are known collectively as the ______?
Correct Answer: C
The Internet backbone is the high-capacity, high-speed fiber optic network routes that transport global data traffic.
Q3932.Fixed wireless Internet connections ______?
Correct Answer: D
Fixed wireless internet connects buildings using stationary antennas pointing at local communication towers via high-speed radio signals.
Q3933.Which are two of the more widely accessed Internet services?
Correct Answer: B
The World Wide Web (websites) and electronic mail (e-mail) are the two most heavily accessed services on the internet.
Q3934.The operating system creates ______ from the physical computer.
Correct Answer: A
An operating system can emulate and create a virtual computer (or virtual machine) isolated from the underlying physical hardware.
Q3935.The category of software most appropriate for controlling the design and layout of complex documents like newsletters and brochures is _____?
Correct Answer: C
Desktop publishing software (such as MS Publisher or InDesign) specializes in precise design and layout control of brochures, newsletters, and flyers.
Q3936.Which of the following does not support more than one program at a time?
Correct Answer: B
DOS is a single-tasking operating system and cannot execute multiple programs simultaneously.
Q3937.Software that allows user to view the webpage contents is known as ______?
Correct Answer: A
A web browser retrieves, parses, and displays HTML content from web servers to the user.
Q3938.What is Android?
Correct Answer: A
Android is a stack of software including an OS, middleware, and applications built for mobile computing.
Q3939.The ______ program compresses large files into a smaller file.
Correct Answer: B
WinZip is a widely used file archiver and utility that compresses files to reduce storage size and speed up transmission.
Q3940.Which of the following is program group?
Correct Answer: B
Accessories is a default program group in Windows that houses secondary utilities like Notepad and Calculator.