Computer fundamental MCQ Questions and answers- Technical Aptitude

A high quality CAD system uses the Digital plotter for printing drawing and graphs. A digital plotter is a computer output device which draws curves and other computer graphics data on ordinary $$8 - \frac{1}{2} \times 11$$   inch (21.6 × 27.9 cm) paper. A plotter is a printer designed for printing vector graphics.

A printed document reader which scans the characters and then encodes them in a computer-compatible code for direct transmission to the computer is called Kurzweil Data Entry Machine (KDEM).

A peripheral device is "an ancillary device used to put information into and get information out of the computer."

The address of the operand is obtained by adding to the contents of the general register (index register) a constant value. Index mode is used to access an array whose elements are in successive memory locations.

A Gigabyte is 1,024 Megabytes or 1,048,576 Kilobytes or 1,073,741,824 bytes. GB is often used for indicating a size of memory or specifying a size of computer RAM, movie and so on.

A microchip is a set of electronic circuits on a small flat piece of silicon. On the chip, transistors act as miniature electrical switches that can turn a current on or off.

Information system, an integrated set of components for collecting, storing, and processing data and for providing information, knowledge, and digital products.

Accessing records from a file directly without searching from the beginning of the file is Direct access. “Direct Access provides users transparent access to internal network resources whenever they are connected to the Internet.”

Extended Binary Coded Decimal Interchange (EBCDIC) code is 8 bits code which means 28 = 256 ways of representing digits, alphabets and special symbol. Parity bit is also used under the system.

In December, 1984 IBM close the last of its punched card manufacturing plant. Semen Korsakov was the first to use punch cards in informatics for information store and search.