Computer Fundamental Short Questions Mcq Questions Set-1

Ans: (d) Storage capacity refers to how much disk space one or more storage devices provide. Storage capacity measures how much data a computer system may contain. For eg. a computer with a 100 GB hard drive has a storage capacity of 100 GB.

Ans: (d) Web browser is a software application used to enable computers users to locate and access web pages. Browsers trans- lates the basic HTML code that allows us to see images, text videos and listen to audios on websites, along with hyperlinks that let us travel to different web pages. The browser gets in contact with the web server and requests for information.

Ans: (d) A computer system comprises of hardware (physical parts of a computer that can be seen or touched). Hardware may include the system unit which form the core architechture of computer and comprises of CPU, memory, motherboard, buses, etc. It may also include peripheral devices. Which are connected to the system unit. It include input devices, output devices and storage devices. A computer software refers to the set the instructions that directs a computer’s processor to perform specific operations.

Ans: (c) A system resource is any usable part of a computer that can be controlled and assigned by the operating system so all of the hardware and software on the computer can work together as designed. Every device connected to a computer system is a resource.

Ans: (d) Storage technology refers to the technology used to store the images or information obtained through the use of some form of capture technology. This includes the medium used for storage the compression methodology used to minimize the amount of storage medium employed, the format used to program the image or information onto the medium, the encoding methods used to represent any interpretation of the stored information and the useful life of the storage medium.

Ans: (c) Input device is any peripheral device used to enter data or information into a computer. It include keyboard, mouse, smart cards, microphones, etc.

Ans: (c) Internet Telephony refers to the technology that converts analog speech (voice) signals into digital signals and routes them through packet-switched networks of the internet. Those signals bypass the traditional circuit switched networks used for telephone calls and thus escape the long-distance phone charges.

Ans: (c) A filename extension is a Suffix (seperated from the base file name by a dot or space) to the name of a computer file applied to indicate the encoding (file format) of its contents or usage. eg. .bar, .doc, .htm, etc. .doc represents a document file format.

Ans: (a) A mainframe is a large, expensive powerful computer that can handle hundreds or thousands of connected users simultaneously. Mainframes stores tremendous amount of data, instructions and information.

Ans: (c) The Arithmetic and logic unit of CPU performs arithmetic calculations such as addition, subtraction, multiplication, division and logical comparisons such as greater than, less than, equal to, etc respectively.

Ans: (a) Magnetic tape is a type of sequential secondary storage medium, now used primarily for storing backups.

Ans: (b) Although the means of communication may contrast between writing a letter versus sending an email, key both convey the same messages.

Ans: (d) Data is a collection of facts in raw or unorganized form (such as alphabets, numbers or symbols) that refer to or represent conditions, ideas or objects.

Ans: (a) A computer programmer is the one who writes, tests, debug and maintain the detailed instructiions called computer programs, that computers must follow a to perform their functions.

Ans: (d) A password is a secret word or strings of characters used for user authentication to prove identity or access approval to gain access to a resource, which sould be kept secret from those not allowed access.

Ans: (c) A CPU is a silicon integrated circuit, sometimes called a computer chip. This is because it consists of a square piece of crystallized silicon that is very, very thin.

Ans: (c) A local area network (LAN) supplies networking capability to a group of computers in close proximity to each other such as in an office building, a school, or a home.

Ans: (b) A notebook is an extremely lightweight personal computer. They typically weigh less than six pounds and are small enough to fit easily in a briefcase

Ans: (d) A modem (modulator-demodulator) is an electronic device that allows computer to communicate over telephone lines or cable-TV cables. It converts the digital signals into analog signals & vice versa.

Ans: (b) Secondary storage device (also called external or auxilliary storage) is a storage medium that holds the data and information until it is deleted by the user regardless if the computer has power. It is non-volatile in nature. eg. Floppy disk, Hard disk, CD, DVD, etc.

Ans: (b) Computer input refers to any information or data that’s entered or sent to the computer to be processed. Input is sent to the computer using an input device such as keyboard or mouse.

Ans: (b) A software bug is an error, flaw, failure or fault in a computer program or system that promay duces an incorrect or unexpected result or causes it to behave in unintended ways.

Ans: (d) Any information that has been processed and comes from a computer or computer device is considered output.