fundamental & concepts of computer Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (c)

A scanner, image scanner, or optical scanner is a hardware input device that optically "reads" an image and converts it to a digital signal. For example, a scanner may be used to convert a printed picture, drawing, or document (hard copy) to a digital file that can be edited on a computer

Answer: (a)

Direct memory access (DMA) is a method that allows an input/output (I/O) device to send or receive data directly to or from the main memory, bypassing the CPU to speed up memory operations.

Answer: (d)

As a result, data processing refers to the act of converting raw data into usable information.

The data we enter is unprocessed, and the computer transforms it into valuable data.

Data manipulation by a computer is called data processing. It entails the translation of raw data into a machine-readable format, data flow via the CPU and memory to output devices, and output formatting or modification.

As a result, data processing refers to the act of converting raw data into usable information.

The data we enter is unprocessed, and the computer transforms it into valuable data.

Data manipulation by a computer is called data processing. It entails the translation of raw data into a machine-readable format, data flow via the CPU and memory to output devices, and output formatting or modification.

Answer: (b)

The simplest scheduling algorithm is first in, first out (FIFO), also known as first come, first served (FCFS). A FIFO queue is simply a queue that is waiting for the incoming items. In a lack of prioritization, every process will eventually be completed

Answer: (d)

A server is a computer program or device that provides a service to another computer program and its user, also known as the client. In a data centre, the physical computer that a server program runs on is also frequently referred to as a server.