Question Discussion & Solution

The correct answer is Super Computer.

Key Points

• Supercomputers were introduced in the 1960s as the world's most advanced computer.
• A supercomputer is a powerful computer that can process a large amount of data and computation very quickly.
• Supercomputers perform immense amounts of mathematical calculations.
• Super Computers are also known as Number Crunching.
• Supercomputers are used for areas related to:
  • Science
  • Engineering
  • Education
  • Defense
  • Aerospace
• Supercomputers are useful for applications involving very large databases or that require a great amount of computation.
• Supercomputers are used for complex tasks, such as:
  • Weather forecasting
  • Climate research
  • Scientific simulation
  • Oil and gas exploration
  • Quantum mechanics
  • Cryptanalysis

​Important Points

• The First Cray-1 supercomputer was installed at Los Alamos National Laboratory in 1972.
• Param Shivay, the first supercomputer assembled indigenously in India, was installed in IIT (BHU).
• Fugaku (Japan) Jointly developed by RIKEN and Fujitsu, is the fastest supercomputer in the world.
• PARAM-Siddhi AI is the fastest supercomputer in India.

Additional Information 

The correct answer is an operating system.

• Linux is an operating system.

Key Points

• Linux was created in 1991 by  Linus Torvalds and the Free Software Foundation (FSF).
  • It is an open-source Unix-like operating system.
  • An operating system help users interact with the computer.

Additional Information

• Machine language and Assembly language are an example of a low-level language.
  • Machine language is a low-level language that is comprised of binary digits i.e. ones and zeros. 
  • An assembly language is a language designed for a specific type of processor.

The correct answer is .xls.

Key Points

• The Microsoft Excel Binary File Format, with the. xls extension and referred to here as XLS, was introduced in Microsoft Office 2007.
• An XLS file is a spreadsheet file created by Microsoft Excel or another spreadsheet program, It contains one or more worksheets, which store and display data in a table format.
• XLS files may also store mathematical functions, charts, styles, and formatting.

​Extension of other important files:

• Image - JPG
• Word - Docx
• Powerpoint - ppt 
• Text - txt

The correct answer is VDU.

Key Points

• Visual Display Unit (VDU): 
  • Visual Display Unit is an Output Device that displays all work is done and images on its screen.
  • It is also called a Monitor. After processing the input, the result is shown on the Monitor.
  • The three most common specifications about the quality of monitors are Dot Pitch, Resolution, and Refresh Rate.
  • There are many types of monitor technologies are available like CRT (Cathode Ray Tube) monitors, LCD (Liquid Crystal Display) monitors, LED (Light Emitting Diode), OLED (Organic Light Emitting Diode), etc.

Important Points

• Keyboard: The keyboard is one of the main Input Devices used in a computer. It is used to enter text and numeric data in a computer system. 
• Mouse: It is also called a Pointing Device which is used to point to the things on the monitor screen. It is an Input Device that was invented by Douglas Engelbert.
• Light Pen: A light pen is an Input Device, similar to a mouse. It is used to directly write and draw any figure on the computer screen.

Additional Information

The correct answer is cell.

Key Points

• The basic unit of an Excel spreadsheet where we enter data is known as a cell.
• Every worksheet is composed up of thousands of rectangles, which are called cells.
• A cell is the intersection of a row and a column.

Additional Information

• Columns are recognized by letters (A, B, C), while rows are identified by numbers (1, 2, 3).
• Each cell has its own name or cell address rooted on its column and row.
• The cell address will also embark in the Name box.