Question Discussion & Solution

The correct answer is Versatility.

Key Points

• Versatility
  • It refers to the capacity of the computer of performing more than one task at the same time with the same accuracy and efficiency.
  • Versatility means the capacity to perform different types of work completely.

Additional Information

• Automation
  • The computer performs all the tasks automatically, without manual intervention.
• Speed
  • A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations.
  • The time taken by computers for their operations is microseconds and nanoseconds.
• Diligence
  • A computer can perform millions of tasks or calculations with the same consistency and accuracy.
  • Its memory also makes it superior to that of human beings.
• Memory
  A computer has built-in memory called primary memory where it stores data.
  • Secondary storage are removable devices such as CDs, pen drives, etc., which are also used to store data.
• Reliability
  A computer is reliable as it gives consistent results for a similar set of data.

The correct answer is It should always begin with an = (equal) sign.

• Creating a formula in Excel
  • To create a simple formula to add, subtract, multiply or divide values in your worksheet
  • Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), an asterisk(*), or forward-slash (/).
• MS-Excel
  • It is a spreadsheet program for data analysis and documentation.
  • It contains a number of rows and columns, where the intersection of a column and cell and a row is a "cell".
  • Each cell contains one point of data.
  • It is developed by Microsoft.
  • It features calculation, graphing tools, pivot tables.

• All Excel formulas begin with an equal to sign (=)
• After the equal symbol, you enter either a calculation or function
• For example, to add up values in cells B1 through B5, you can either:
  • Type the entire equation: = B1+B2+B3+B4+B5
  • Use the SUM function: = SUM(B1: B5)
  • Press the Enter key to complete the formula.

The correct answer is PDF.

Key Points

• Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1993 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
• Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images, and other information needed to display it. 

Additional Information

• DOC is the official document file used in Microsoft Word.
• A DOC file contains text, images, and graphs.
• It can be opened by many different programs and users can change printing options once it's opened.
• A TXT file is a standard text document that contains plain text.

The most common image file formats, the most important for cameras, printing, scanning, and internet use, are JPG, TIF, PNG, and GIF. JPG is the most used image file format.

Full Form

JPG = Joint Photographic Experts Group

TIF / TIFF = Tagged Image File Format

PNG = Portable Network Graphics

GIF = Graphics Interchange Format

There are different components in the computer system. they all have their own working mechanisms. some component takes input, some process the data and some give output. all these components combine and make our work easier, comfortable, and convenient.

For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations.

Hence, we may conclude that the right answer be like: -