Practice MCQ Questions and answers on Technology-GK

The IEEE (Institute of Electrical and Electronics Engineers) was formed in 1963 by the merger of the Institute of Radio Engineers (IRE, founded 1912) and the American Institute of Electrical Engineers (AIEE, founded 1884).

A field in a database is a specific area within a record that contains only one type of information.

For example, in a database of employee records, a field might hold the employee's name, while another field might hold their ID number.

Each field is part of a larger structure called a record, which typically contains all the fields related to a single entity (e.g., all the details about one employee).

In summary, a field is the smallest unit of data in a database, holding just one piece of information.

The correct answer is C: Operating System.
'OS' is a very common abbreviation in the world of computers.
An Operating System (OS) is the most important software that runs on a computer.
It manages the computer's memory and processes, as well as all of its software and hardware.
Think of it as the conductor of an orchestra, making sure everything works together smoothly.
Option A, 'Order of Significance', doesn't relate to computers or software.
Option B, 'Open Software', is related to software, but 'OS' doesn't stand for it.
Option D, 'Optical Sensor', refers to a type of sensor that detects light, not the fundamental software of a computer.

Guglielmo Marconi achieved the first transatlantic radio transmission on December 12, 1901.

The signal—Morse code for the letter “S”—was sent from Poldhu, Cornwall (England) and received at St. John’s, Newfoundland (Canada).

This historic event firmly places the first transatlantic radio broadcast in the 1900s, not the 1850s–1870s when radio technology had not yet matured.

SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California.

Some authorities are recommending TV's, VCR's and Stereo's be connected to power strips with switches and turned off when not in use to save energy. Your remote will not work until power is switched back on.

It's commonly used for MP3 players, computer BIOS code and "thumb" drives. Originally developed in Japan by Toshiba, it has become quite popular for products requiring non-volatile erasable memory. Flash devices have a limited number of erase cycles (typically 10,000 to 1,000,000 cycles) so they're not as good a choice for applications in which the data changes constantly. However, since it has no moving parts (unlike a hard disk) it is an excellent choice for storing the operating code for small personal electronics like PDAs, cell phones, digital cameras, and the data in items like MP3 players.