Computer Awareness Questions

The correct answer is Computer.

Key Points

• SPAM:
  • Any sort of unwanted, unsolicited digital communication sent out in bulk, usually in the form of an email, is termed as 'spam'.
  • Spamming is usually done for the purpose of commercial advertising, for illegal purposes like phishing, etc.
  • Spamming is used for the purpose of commercial advertising because it is less expensive as advertisers have no operating cost beyond the management of their infrastructure and internet requirements.
  • Spamming was started by Gary Thuerk in 1978 by sending unsolicited mass e-mails over APARNET to promote his firm’s computer products.
  • Though the most common form is email spam, there are other recognized forms also, some of which are listed below:
    • Instant messaging spam
    • Web search engine spam
    • Wiki spam
    • Mobile phone-messaging spam
    • Internet forum spam
    • Social spam 
• Spams may also contain viruses, adware, etc.
• Studies and surveys have revealed that spam constitutes roughly 50 percent of the e-mail circulating on the internet.

​Additional Information​

• Important terms related with Indian music - Nada, Shruti, Svara, Saptak, Varna, and Alankara.
• Various terms are related with a particular sport, some of which are mentioned in the table given below:

The correct answer is Computer program.

Key Points

• A computer virus is similar to a flu virus, is sketched to spread from host to host and has the ability to replicate itself.
• In more practical terms, a computer virus is a type of malevolent code or program written to alter the way a computer operates and is designed to spread from one computer to another.
• A virus is corporate by inserting or attaching itself to a lawful program or document that supports macros in order to execute its code.
• In the procedure, a virus has the prospective to cause unannounced or damaging effects, such as harming the system software by corrupting or destroying data.

Additional Information

• Common types of Computer Viruses are:
  • File Infecting Virus
  • Macro Virus
  • Browser Hijacker
  • Web Scripting Virus
  • Boot Sector Virus
  • Polymorphic Virus
  • Resident Virus
  • Multipartite Virus.

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.

The correct answer is Margins.

Key Points

• A margin is a space separating text or other elements from the edge of the paper commonly adjusted through the page setup.
• Most programs allow for the top, bottom, left, and right margins to be set. 
• By increasing the size of the margins, you decrease the available space on the page that text can occupy.
• In other words, a page with bigger margins has less room for text.
• If you decrease the size of the margins, the page can accept more text.

Additional Information

• Justify is a text that is both left-aligned and right-aligned. 
  • In Microsoft Word, you can use the Ctrl + J keyboard shortcut to justify any text.
• A trapdoor is a concealed means of bypassing security to gain access to a restricted part of a computer system.
  • For example, a programmer may insert a piece of code that would allow them access to a computer or secure area using a password that only they know.

The correct answer is 1 megabyte.

Key Points

• Computer data storage conversions:

The correct answer is Mailing Tab > Start mail merge group > Start mail.

Key Points

• Mail Merge
  • It consists of combining mail and letters and addressed envelopes or mailing labels for mass mailings from a form letter.
  • This feature is usually employed in a word processing document which contains fixed text and variables.
• Mail Merge is a useful tool that allows you to produce multiple letters, labels, envelopes.
• It also has name tags and more using information stored in a list, database, or spreadsheet.
• When performing a Mail Merge, we will need a Word document.
• We can start with an existing one or create a new one.
• We also need a recipient list, which is typically an Excel workbook or we will create it by selecting the Recipient option.
  • Where we will write the name, address, and mail of each recipient.

Additional Information

• MS Word
  • It is developed by Microsoft.
  • It was released on 25 October 1983 for the first time.
  • It is a graphical word processing program that users can type with.
  • It has helpful tools to make documents, resumes, contracts.
  • This is one of the most commonly used programs under the office suite. 

The correct answer is Insert > Illustration > Chart.

Key Points

• How to create Charts
  • To create a simple chart in PowerPoint, click insert> Chart and pick the chart you want.
  • Click the placeholder that you want to contain the chart.
  • On the Insert Tab, in the illustrations click the chart.
  • In the Insert Chart dialog box, click a chart and then click ok.

Additional Information

• MS PowerPoint
  • It is a presentation program used to present data and information by using text, diagrams with animation, images, and transitional effects in the form of slides.
  • It is developed by Robert Gaskins and Dennis Austin.

The correct answer is the Mainframe computer.

Key Points

• Mainframe computers 
  • Mainframe computers are those having large internal memory storage and a comprehensive range of software.
  • Mainframe computer serves as a backbone for the entire business world.

Additional Information 

• Analog computer 
  • Analog computers are job-oriented computers. 
  • They carry out arithmetic and logical operations by manipulating and processing data.
• Hybrid computer 
  • Hybrid computers are a combination of analog and digital computers.
  • Machines used in hospitals like ECG and DIALYDID are the commonly used hybrid computers.
• Special Purpose Computer
  • It refers to computers that are built to perform specific tasks, such as automatic teller machines or washing machines.
  • Examples of Special Purpose Computers: Traffic-Light control systems, weather-forecasting simulators, etc.

The correct answer is Shell.

Key Points

• Program
  • It is a collection of instructions that are executed by a computer to perform a specific task.
  • It is generally written by a computer programmer in a programming language.
• Shell
  • It is a program that interprets commands and acts as an intermediary between the user and the workings of the operating system.
  • It will give a prompt for the user to type in a command, take the command, execute it, and then waits for another command.

Additional Information

• Communications
  • Computer communications is a process, where two or more computers or devices transfer data, instructions, and information.
  • The most common examples are Email, SMS chat, Social Networks, etc.
• Thread
  • It is a single sequence stream within processes.
  • Threads are executed one after another but give the illusion as if they are executing in parallel.
• File Modification
  • It refers to modifying the file and folder and it can be only be done by the administrator for a computer or the owner of a file or folder.

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