Computer Fundamental Miscellaneous - Study Mode
[#466] The two kinds of main Memory are:
Correct Answer
(C) ROM and RAM
Explanation
Solution: ROM : Read-only memory is a type of non-volatile memory used in computers and other electronic devices. Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to store firmware or application software in plug-in cartridges. RAM : Random-access memory is a form of computer data storage that stores data and machine code currently being used. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory.
[#467] Name of the first guided weapon in the world which used a programmable digital computer:
Correct Answer
(A) Sting Ray Torpedo
Explanation
Solution: The Sting Ray torpedo is a current British acoustic homing light-weight torpedo (LWT) manufactured by GEC-Marconi, who were later bought out by BAE Systems. It entered service in 1983. Source : wikipedia.org
[#468] Programs designed to perform specific tasks is known as
Correct Answer
(B) Application software
Explanation
Solution: Application software : An application software (app or application for short) is computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.
[#469] What is the name given to the weapons which use computerised guidance system?
Correct Answer
(B) Smart weapons
Explanation
Solution: Smart weapons : A precision-guided munition (PGM, smart weapon, smart munition, smart bomb) is a guided munition intended to precisely hit a specific target, to minimize collateral damage and increase lethality against intended targets.
[#470] A monitor's _____ is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear.
Correct Answer
(B) dot pitch
Explanation
Solution: Dot pitch (sometimes called line pitch, stripe pitch, or phosphor pitch) is a specification for a computer display, computer printer, image scanner, or other pixel-based device that describes the distance, for example, between dots (sub-pixels) on a display screen.