कंप्यूटर अवेयरनेस टेस्ट - 24

 Ans.(c)

Sol. MS DOS is acronym for Microsoft Disk operating system.

Ans.(b)

Sol. Virtual reality basically means 'near-reality’; it usually refers to a specific type of reality emulation which is simulated experience generated by a computer.

Ans.(a)

Sol. Optical Mark Recognition What is the technology used to read pencil or pen marks on a multiple choice answer sheet.

Ans.(e)

Sol. Video Card is an expansion card which generates a feed of output images to a display

Ans.(a)

Sol. Output Devices lets users to view or print data, for example: Monitor (screen display), Printer.

 Ans.(d)

Sol. All other except Google are Bowsers.

Ans.(d)

Sol. Sintran III was a real-time, multitasking, multi-user operating system used with Norsk Data computers. It is a discontinued OS.

 Ans.(d)

Sol. The three important elements of a search engine are spiders or Web crawlers, indexing software and search algorithm

Ans.(c)

Sol. CRC stands for Cyclic Redundancy Check. Frame Check Sequence (FCS) stores the calculation value of CRC that is used for error detection

Ans.(e)

Sol. Crossover cables are used to connect two computers by reversing (crossing over) their respective pin contacts. A crossover cable can be created by reversing the order of the wires inside a cable so that it can connect two computers directly.

Ans.(a)

Sol. First Generation computers are characterized by the use of vacuum tubes. These vacuum tubes were used for calculation as well as storage and control. Later, magnetic tapes and magnetic drums were implemented as storage media. The first vacuum tube computer, ENIAC, was developed by US army ordinance to calculate ballistic firing tables in WWII. It had about 17 000 vacuum tubes

Ans.(c)

Sol. Software piracy is the illegal copying, distribution, or use of software.

Ans.(a)

Sol. In First Generation mainly batch processing operating system were used.

 Ans.(c)

Sol. Common uses of web beacon are email tracking and page tagging for web analytics. Its alternative names are web bug, tracking bug, tag, or page tag

 Ans.(e)

Sol. IP, TCP and Gopher all are protocols governing the internet. IP-Internet Protocol, TCP- Transmission Control Protocol

Ans.(d)

Sol. Utility software is system software designed to help analyse, configure, optimize or maintain a computer.

Ans.(a)

Sol. Touch Screen is an example of an I/O Device.

Ans (a)

Sol. Swapping concept comes in terms of process scheduling. Scheduler removes process from CPU for duration and reduces the degree of multiprogramming. And after some time these process can again be reintroduced into main memory.

Ans (d)

Sol. A hierarchical database model is a data model in which the data is organized into a tree-like structure. The hierarchical database model mandates that each child record has only one parent, whereas each parent record can have one or more child records

Ans (d)

Sol. A Palmtop PC was an about pocket calculator-sized, battery-powered PC in a horizontal clamshell design with integrated keyboard and display. It could be used like a subnotebook, but was light enough to be comfortably used handheld as well. That is the reason they were also known as handheld devices

 Ans (b)

Sol. Clicking undo button in this context will not end bulleting

 Ans (d)

Sol. All the given options are functions of operating system

Ans (a)

Sol. DBMS acts as an interface between database application and the database.

Ans. (a)

Sol. In the relational model, cardinality is termed as Number of tuples.

 Ans.(d)

Sol.  File permissions can be used to selectively provide authorisation to viewer to view data, thus protecting data from prying eyes.

Ans. (a)

Sol. Pressing Windows logo key + E will open My Computer.

Ans. (a)

Sol. Tuple is a row.

 Ans. (d)

Sol. A field is category of information.

 Ans.(a)

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.

Ans.(e)

Sol. Avast is antivirus software.