Computer Awareness MCQs | Computer Multiple Choice Questions with Answers

Answer: C:/Windows

Sol. By default, the system root folder for Microsoft Windows is C:/Windows. However, this can be changed for several reasons. The active partition on a hard drive could be designated by a letter other than C.

Answer: FDM

Sol. Frequency-division multiplexing (FDM) is a technique by which the total bandwidth available in a communication medium is divided into a series of non-overlapping frequency sub-bands, each of which is used to carry a separate signal. This allows a single transmission medium such as the radio spectrum, a cable or optical fiber to be shared by multiple independent signals. Another use is to carry separate serial bits or segments of a higher rate signal in parallel. It can transmit analog signals.

Answer: Network

Sol. A network is interconnection of two or more computers.

Answer: Super key

Sol. Super key is a set of one or more attributes taken collectively to uniquely identify a record

Answer: Biometrics

Sol. Biometrics is the measurement and statistical analysis of people's physical and behavioral characteristics. The technology is mainly used for identification and access control, or for identifying individuals that are under surveillance.

Answer: Person

Sol. A DBA is a person. A database administrator (DBA) is responsible for the performance, integrity and security of a database. They will also be involved in the planning and development of the database as well as troubleshooting any issues on behalf of the users.

Answer: Mosaic

Sol. NCSA Mosaic, or simply Mosaic, is a discontinued early web browser. It has been credited with popularizing the World Wide Web. It was the first graphical web browser.

Answer: Search Engine

Sol. Search Engine is a web server that collects data from other web servers and puts it into a database (much like an index), it provides links to pages that contain the object of your search.

Answer: Menu Bar

Sol. The Menu Bar is the horizontal bar that contains commands and options that can be chosen

Answer: A small initialization program to start up a computer

Sol. A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up.

Answer: Neural networks

Sol. Neural Networks can learn and adjust to new circumstances.

Answer: Arithmetic machine

Sol. Pascal's calculator is a mechanical calculator invented by Blaise Pascal in the early 17th century. It was called the arithmetic machine and later became known as the Pascaline.

Answer: Arithmetic logic unit, Control unit

Sol. A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

Answer: Hard Disk

Sol. Hard disk is secondary storage device, other are primary storage devices.

Answer: mainframe computer

Sol. A mainframe computer is a very large computer capable of handling and processing very large amounts of data quickly. They are used by large institutions, such as government agencies and large corporations.

Answer: Printer

Sol. A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard size sheets of paper. Printers vary in size, speed, sophistication, and cost. In general, more expensive printers are used for higher-resolution color printing. Priter is a output Device.

Answer: Laptops

Sol. Laptops is Portable and compact personal computer with the same capabilities as a desktop computer. Laptop computers have an L-shape design and the screen can be lowered and closed to allow for easy transportation of the machine.

Answer: cache memory

Sol. Cache memory is a type of memory used to hold frequently used data. Cache memory is relatively small, but very fast. Most web browsers use a cache to load regularly viewed webpages fast. The most important type of cache memory is the CPU cache.

Answer: input-output device

Sol. I/O Device or Input Output device can both feed data into and accept data from a computer.

Answer: Cartridge

Sol. A cartridge may contain ink and that can be replaced in a printer. Apart from ink cartridge, there is toner cartridge, also called laser toner.