Question Discussion & Solution

The correct answer is Bugs.

Key Points

• In computing, a bug is an error in the source code that makes a program to produce unexpected results or crash altogether.
• Computer bugs can affect an application’s performance, so developers need to make sure they are corrected before the software gets sold to customers.
• Back when mainframe computers were still state-of-the-art, some programmers kept getting wrong results from their programs.
• When they checked under the hood, they discovered that a moth got into the circuitry, causing errors in computations.
• That’s why programming errors are called “bugs.”

The correct answer is Versatility, Diligence.

Key Points

• Versatility is the characteristic of a computer to perform completely different types of work at the same time, whereas diligence makes it to work for hours without boredom or tiredness. 
• Versatility means the capacity of the computer of performing more than one task at the same time.
• Diligence is the capacity of the computer of performing repetitive tasks without getting tired.
• A computer is free from tiredness, lack of concentration, fatigue, etc therefore it can work for hours without creating any errors.

Additional Information

Characteristics of Computer System are:

• Speed - A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. 
• Accuracy - Computers perform calculations with 100% accuracy. 
• Diligence - A computer can perform millions of tasks or calculations with the same consistency and accuracy. 
• Versatility
• Reliability
• Memory

The correct answer is Subscript.

Key Points

• While writing equations in MS-Word, the subscript feature is used to type very small letters/numbers below the line of text. 
• A subscript is a character or string that is smaller than the preceding text and sits at or below the baseline.
• For subscript and superscript follow these steps:
  • Select the text or number that you want to subscript or superscript
  • For superscript, press Ctrl, Shift, and the Plus sign (+) at the same time.
  • For subscript, press Ctrl and the Equal sign (=) at the same time. (Do not press Shift).

Additional Information

Important Shortcut keys used in MS Word:

• Cut the selected content to the Clipboard - Ctrl+X
• Copy the selected content to the Clipboard - Ctrl+C
• Paste the contents of the Clipboard - Ctrl+V
• Increase the font size by 1 point.- Ctrl+]
• Center the text - Ctrl+E.
• Align the text to the left - Ctrl+L.

The correct answer is range.

Key Points

• In Microsoft Excel, a range is a collection of cells.
• A range can be 2 or more cells and those cells don't necessarily have to be adjacent to each other.

​Additional Information  

• Worksheet and workbook specifications and limits:
  • Total number of rows and columns on a worksheet - 1,048,576 rows by 16,384 columns
  • Column width - 255 characters
  • Page breaks - 1,026 horizontal and vertical
  • Row height - 409 points 

The correct answer is Operating System.

Key Points

• Information Technology Act 2000:​
  • It is the primary law in India dealing with cybercrime and electronic commerce.
  • This act provides a legal framework for electronic governance by giving recognition to electronic records and digital signatures.
  • It also defines cybercrimes and prescribes penalties for them.
  • The main motive of this Act is to provide legal for transactions carried out by means of electronic data interchange.

Additional Information

• Operating System
  • It consists of programs, which control, coordinates, and supervises the activities of the various components of a computer system.
  • Its function is to provide a link between the computer hardware and the user.
  • An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
  • The three most common operating systems for personal computers are Microsoft Windows, Mac OS X, and Linux.
  • Modern operating systems use a graphical user interface(GUI).
  • An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software that performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
  • Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
  • The following are some of the important functions of an operating system:
    • Memory Management
    • Processor Management
    • Device Management
    • File Management
    • Security
    • Control over system performance
    • Job accounting
    • Error detecting aids
    • Coordination between other soft