Question Discussion & Solution

The correct answer is Cell address.

Key Points

• A cell reference or cell address is a combination of a column letter and a row number that identifies a cell on a worksheet.  
• For example, A1 refers to the cell at the intersection of column A and row 1, B2 refers to the second cell in column B, and so on.
• It is basically a cell's column number and row number.

Important Points

• In MS Excel, columns are defined with Alphabets like A, B, C....and so on.
• While rows are defined with numerical values like 1, 2, 3, 4,.......and so on.

The correct answer is Printer.

Key Points

• A printer produces the output from the computer on paper.
  • The printer is the output device that helps to display hard copies on paper.
  • Printers are used to create a permanent representation of visuals or text, which is often printed on paper.
  • It receives the text and graphic output from a computer and converts it to paper.
• important output devices of a computer are:
  • Monitor.
  • Printer.
  • Headphones.
  • Computer Speakers.
  • Projector.
  • GPS.
  • Sound Card.
  • Video Card.

Additional Information

• A scanner is a device that scans images and printed text optically and converts it to a digital image.
• The keyboard is the primary input device.
• A barcode reader is an optical scanner that can read printed barcodes, decode the data inside, and communicate the information to a computer.

The correct answer is Microcomputers.

Key Points

• Microcomputers generally have the least processing and storage capacity.
• A microcomputer is a complete computer on a small scale, designed for use by one person at a time.
• An antiquated term, a microcomputer is now primarily called a personal computer (PC), or a device based on a single-chip microprocessor.
• Common microcomputers include laptops and desktops.

Additional Information

• A mainframe computer informally called a mainframe or big iron is a computer used primarily by large organizations for critical applications, bulk data processing. 
• A supercomputer is a computer with a high level of performance as compared to a general-purpose computer. 
• A minicomputer is a type of computer that possesses most of the features and capabilities of a large computer but is smaller in physical size.

The correct answer is Supercomputer.

Key Points

• A supercomputer is a computer with a high level of performance as compared to a general-purpose computer.
• The performance of a supercomputer is commonly measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS).

Additional Information

• World's fastest supercomputer - Fugaku (Japan)
• World's first supercomputer - CDC 6600
• India's fastest supercomputer - PARAM-Siddhi AI

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