Computer Fundamental Miscellaneous - Study Mode

[#1041] Which of the following file organizations is most efficient for a file with a high degree of file activity?
Correct Answer

(A) sequential

Explanation

Solution: The sequential file organization is efficient and process faster for the large volume of data. It is a simple file organization compared to other available file organization methods. This method can be implemented using cheaper storage devices such as magnetic tapes.

[#1042] What is the name of the reading device which mades use of photosensors and laser technologies to interpret printed, typed or even hand-written data directly from the source documents?
Correct Answer

(B) OCR

Explanation

Solution: OCR stands for "Optical Character Recognition". It is a technology that recognizes text within a digital image. It is commonly used to recognize text in scanned documents and images. OCR software can be used to convert a physical paper document, or an image into an accessible electronic version with text.

[#1043] A(n) ____ device is any device that provides information which is sent to the CPU.
Correct Answer

(A) input

Explanation

Solution: In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.

[#1044] The range of frequencies available for data transmission is known as
Correct Answer

(B) Bandwidth

Explanation

Solution: Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies. It is typically measured in hertz, and depending on context, may specifically refer to pass band bandwidth or baseband bandwidth.

[#1045] Full adder has
Correct Answer

(D) 3 inputs

Explanation

Solution: Full Adder is the adder which adds three inputs and produces two outputs. The first two inputs are A and B and the third input is an input carry as C-IN. The output carry is designated as C-OUT and the normal output is designated as S which is SUM.