25 Computer Fundamentals Questions & Answers
Question: 1: What is a file?
Answer: A file is a named location which stores data or information permanently. A file is always stored inside a storage device using file name (e.g. STUDENT.MARKS). A file name normally has primary and secondary name separated by a “.”(DOT).
Question: 2: Who is the father of computer?
Answer: Charles Babbage is the father of computer, because the parts of working principle of the Analytical Engine, who is invented by Charles Babbage is similar to today’s computer.
Question: 3: What are the types of computers?
Answer: There are three types of computers are
1) Digital computers
2) Analog computers
3) Hybrid computers
Question: 4: What are the characteristics of Computer?
Answer: The characteristics of the computers are
- Speed
2) Accuracy
3) Automation
4) Endurance
5) Versatility
6) Storage
7) Cost reduction etc.
Question: 5: Define software?
Answer: Software is basically the set of program that make the computer to function in the desired way.
Question: 6: Define hardware?
Answer: Hardware is referred as the physical components of the computer system.
Question: 7: What is the difference between Save and Save As?
Answer: Use SAVE when you are updating an existing document.
Use SAVE AS when you are creating a new document from scratch or an existing document. If you do for existing document, this will keep the original document untouched in its original format and create a new document with a new name with updated data.
Example: Open Notepad -> Type something -> Click on File -> Save As. It will save the file by asking file name (sample.txt). If you want to update the file use File -> Save. If you want another file name with (sample.txt file data + added some another data), use Save As. Here sample.txt will be untouched and new file will contain updated data.
Question: 8: What is application software?
Answer: Application software is a set of programs that allows the computer to perform a specific data processing for the user.
Question: 9: What is a Clipart?
Answer: Clipart is the attractive pre-defined, pre-coloured pictures available in MS Office suit.
Question: 10: What is meant by Installation and Assembling?
Answer: Installation is the process of loading the software package into the computer. Assembling is the process of mounting different computer peripherals into one, to function the computer system properly.
Question: 11: Define computer?
Answer: Computer is a fast operating electronic device, which automatically accepts and store input data, process them and produces results under the direction of step by step program.
Question: 12: What are the components of the computer system?
Answer: Basic components of the computer system are
1) Input Unit
2) Central Processing Unit
3) Secondary Storage Unit and
4) Output Unit
Question: 13: Define Headers and Footers?
Answer: Header allows text, page number or section titles to appear on every page of document at the top position.
Footer allows text, page number or section titles to appear on every page of document at the bottom position.
Question: 14: What is the Way to uninstall or remove a program from our computer?
Answer: The best way is to go to Start -> Control Panel -> Add remove programs. Find the program you wish to remove, click on it and follow the on screen directions. If the program is not there you can check to see if there is an uninstall option when you go to the Program itself or in the start menu options for that program. As a last resort, you can move the program folder to the recycle bin but this will not totally remove it and may cause problems. Leave it on the computer if space allows.
Question: 15: What is primary and secondary memory?
Answer: Understanding the different types of memory that can be utilized in computer systems is a major function of computer science positions. Knowing how they work and the difference between these two types of memory is often mandatory for computer science jobs.
Question: 16: What are the commonly used computer processors?
Answer: An employer may ask you about the most commonly used computer processors, or they may ask you about the specific computer processor they use at the business you are applying to work for. You should be very familiar with all common computer processors and know how to answer questions regarding each.
Question: 17: What is a constructor?
Answer: Understanding what a constructor is and how it works is a more advanced topic, but one that you must be familiar with as a computer science professional. Depending on the type of company you are applying to work at, the interviewer will likely ask you about constructors and why they are important in computer science.
Question: 18: What is a decision table?
Answer: A Decision table is a table containing the selection of conditions to be tested and how those conditions should be tested to arrive at the proper action.
Question: 19: Define Clients and Servers?
Answer: A Client is generally a single user PC or workstation that provides a highly user friendly interface to the end user. It runs client processes, which send service requests to the server.
A Server is generally a relatively large computer that manages a shared resource and provides a set of shared user services to the clients. It runs the server process, which services client requests for use of the resource managed by the server. The network may be a single LAN or WAN or an internet of networks.
Question: 20: What is Color scheme?
Answer: A selection of colors that the user sees when using Windows. These colors make up the display of applications, dialog boxes, etc.
You can change it from Start -> Control Panel -> Appearance. Here you can change theme, window colors etc.
Question: 21: What is CD-ROM?
Answer: Compact Disc – Read Only Memory. A CD-ROM is any compact disc which contains computer data. These discs can store huge amounts of data (up to 640 megabytes). If there is a large amount of data on a CD-ROM, then it is usually impractical to copy the data on to the hard disk; in this case, you must insert the disc whenever you want to use the data. The ROM simply means that you can not save information onto these discs. CD-ROM may also refer to the drive used to read these discs.
Question: 22: What is Clipboard?
Answer: A temporary storage location in Windows. The clipboard will store one piece of information at a time when it is manually added to the clipboard or is copied there.
Question: 23: What is Desktop?
Answer: This is what you see on your computer screen when you have no windows open. It may be a solid color, or it may be graphics. On the desktop, there will be icons, including one called “My Computer” and one called “The Recycle Bin.”
Question: 24: What is Folder?
Answer: A folder can be thought of as a location on your hard disk or floppy disk. Folders used to be called directories/sub directories. A folder contains files and can contain nested folders (sub folders). Folders and sub folders are used to organize your hard disk. For example, you probably already have a folder named “My Documents” on your hard disk; you could place a sub folder named “Work” under “My Documents”, and place all your work documents within this sub folder. This way, you can keep your work documents separate from your personal documents.
Question: 25: What is Toolbar?
Answer: A toolbar is a collection of buttons, usually organized by category. Some programs allow you to turn individual toolbars on and off (to display or hide them), and you may even be able to customize the toolbar by changing what buttons are shown (or even add your own buttons). Often, you can drag a toolbar (by dragging from an edge of the toolbar where there is no button) to move it to a different location on the screen. If a novice user does this, though, the user may not know what he or she did and may “lose” the toolbar. Usually, you can turn toolbars on and off by clicking the “view” menu, then choosing “toolbars”.