Computer — All MCQs
4795 questions available
Q4601.What is another commonly accepted name for a supercomputer system in the high-end computing industry?
Correct Answer: A
Supercomputers are also referred to as High-Performance Computers (HPCs) due to their capability to compute complex models at massive scale.
Q4602.By default, what is the standard alignment of text and numerical values entered into a Microsoft Excel cell?
Correct Answer: C
Excel automatically left-aligns text entries (for reading order) and right-aligns numerical values (to easily align decimals and place values).
Q4603.In Microsoft Word 2007, which keyboard shortcut can be used to move a selected paragraph upward in the document?
Correct Answer: A
Pressing Alt + Shift + Up Arrow moves the selected list item, table row, or paragraph upward in MS Word.
Q4604.Which internal motherboard bus is responsible for carrying the actual data and information between processors and peripherals?
Correct Answer: B
The Data Bus is the dedicated pathway used to transfer data packets between the microprocessor and other devices, while the control bus carries signal states and the address bus carries memory pointers.
Q4605.In computer architecture and storage notation, a 'half-byte' is also formally known as a ______?
Correct Answer: C
A nibble is a unit of digital information representing 4 bits (which is exactly half of a standard 8-bit byte).
Q4606.PNG (Portable Network Graphics) is a standard file format representing which type of computer graphics?
Correct Answer: B
PNG is a raster graphics file format that represents images using a grid-map of pixels (bitmaps), supporting lossless compression.
Q4607.In electronic correspondence, the action of answering a received email is formally referred to as ______ an email.
Correct Answer: B
Answering an incoming email is known as replying, which retains the thread context and copies the sender as the recipient.
Q4608.What are the individual, microscopic colored dots that make up a digital raster image called?
Correct Answer: A
Pixels (short for picture elements) are the individual, physical grid dots of color and brightness that combine to form digital photos.
Q4609.In Microsoft Word 2007, which keyboard shortcut can open the Print dialog box while presenting an interactive print preview?
Correct Answer: A
Pressing Ctrl + P launches the Print interface in MS Office applications, combining printing options and preview windows.
Q4610.What is the primary method used to protect specific data columns, rows, or worksheets in Microsoft Excel?
Correct Answer: B
To protect sheet structures from being edited, users select specific cells, lock them under Cell Format settings, and then turn on worksheet protection.
Q4611.Which of the following software applications is NOT designed to operate as a specialized image or photo editor?
Correct Answer: A
PowerPoint is a presentation slide software, whereas CorelDraw, Photoshop, and Illustrator are specialized graphic editing platforms.
Q4612.Which local area network (LAN) media access control method resolves bandwidth sharing and connections by detecting collisions on the physical wire?
Correct Answer: B
CSMA/CD was the classic media access method for Ethernet, where devices listen for quiet lines and abort transmission if a collision is detected.
Q4613.To be uniquely identified and route data packets across the global internet, every host computer must possess which of the following?
Correct Answer: B
Every host machine connected to the internet must have a unique IP (Internet Protocol) address for logical packet routing.
Q4614.Which of the following represents the standard, complete URL format for accessing a website on the World Wide Web?
Correct Answer: A
A standard, secure web URL format specifies the secure protocol (https://), the domain subdomain host (www.), and the domain name.
Q4615.In database structures, the number of characters allowed in a 'fixed-length' field is ______?
Correct Answer: B
In a fixed-length field, the maximum number of characters remains constant (fixed) for every record, padded with spaces if necessary.
Q4616.Which of the following is classified as a standard web browser?
Correct Answer: B
Google Chrome, Mozilla Firefox, and Apple Safari are standard web browsers designed to fetch and render HTML pages from the web.
Q4617.In C programming, which standard library function is used to print formatted output onto the computer screen?
Correct Answer: D
The printf() function writes formatted text or variables to the standard output console screen (stdout).
Q4618.Which hardware device is specifically designed to scan and create a high-resolution digital copy of physical drawings, maps, or paper documents?
Correct Answer: B
A scanner is a light-sensitive input device that captures physical text and graphics to convert them into digital image formats.
Q4619.Which workspace view in Microsoft Access allows you to add and edit records inside a table in a clean, tabular spreadsheet-like grid?
Correct Answer: D
Datasheet View displays table contents in a classic row-and-column grid, making it highly efficient for direct data entry and bulk record updates.
Q4620.In the standard C statement 'scanf("%d", &kilometer);', the identifier 'kilometer' represents a ______?
Correct Answer: C
In C, 'kilometer' is a declared variable representing a named memory location where scanf stores the retrieved integer value.