Computer fundamental MCQ Questions and answers- Technical Aptitude

System software controls a computer's internal functioning, chiefly through an operating system, and also controls such peripherals as monitors, printers, and storage devices.

The magnetic disks and drums are like recalculating shift registers because. Stored data is available for reading over and over again in the same order.

Hold time will normally be determined by the requirements of the device to which the transfer is being made. Setup time is defined as the minimum amount of time before the clock's active edge that the data must be stable for it to be latched correctly.

A direct-access storage device (DASD) is a secondary storage device in which "each physical record has a discrete location and a unique address". IBM coined the term DASD as a shorthand describing disks, magnetic drums, and data cells.

A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as Optical-wand. A wand is a handheld optical reader that is used to read barcodes as well as typewritten, printed and OCR fonts. Wands are used to capture product information for retail and warehouse applications.

A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, generators, inductors, magnetic recording heads and magnetic assemblies.

System software is computer software designed to provide a platform to other software. Examples of system software include operating systems like macOS and Windows

1) A hard copy would be prepared on a Typewrite terminal, Line printer and Plotter.
2) A hard copy (or "hardcopy") is a printed copy of information from a computer.
3) A line printer prints one entire line of text before advancing to another line.
4) The plotter is a computer printer for printing vector graphics.

The PDP-1 (Programmed Data Processor-1) is the first computer in Digital Equipment Corporation's PDP series and was first produced in 1959. It is famous for being the computer most important in the creation of hacker culture at MIT, BBN and elsewhere. The PDP-1 is the original hardware for playing history's first game on a minicomputer, Steve Russell's Spacewar.

A SIMM, or single in-line memory module, is a type of memory module containing random-access memory used in computers from the early 1980s to the late 1990s.