Computer Fundamental Miscellaneous - Study Mode

[#836] Conversion of a hexadecimal number 4E 16 to binary number is
Correct Answer

(B) 1001110 2

Explanation

Solution: Conversion of a hexadecimal number (4E) 16 to binary number is (1001110) 2 (4E) 16 = (1001110) 2 Because 4 = 100 E in hexadecimal number is = 14 And 14 = 1110 Thus answer is = 1001110

[#837] A device that transmits messages in verbal form is
Correct Answer

(C) Audio response unit

Explanation

Solution: A device that transmits messages in verbal form is Audio response unit. An Audio Response Unit is an output device that provides a spoken response to digital inquiries from a telephone or other device. For example, Press 1 to hear this information again; Press 2 to hear more options. It is also known by the generic name audiotex.

[#838] A standard tape recorder used to save or load computer information is known as
Correct Answer

(B) Cassette drive

Explanation

Solution: A standard tape recorder used to save or load computer information is known as Cassette drive. To store data on digital cassettes, read or write head moves quickly. This quick movement of the reading/write head enables to maintain speed which would be enough to maintain the bits at a manageable size.

[#839] Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU?
Correct Answer

(D) Memory

Explanation

Solution: Memory is a component of a computer is responsible for the transient or temporary storage used by the CPU. Memory is the process of taking in information from the world around us, processing it, storing it and later recalling that information, sometimes many years later. Human memory is often likened to that of a computer memory system or a filing cabinet.

[#840] The output quality of a printer is measured by
Correct Answer

(A) Dots per inch

Explanation

Solution: In printing, DPI (dots per inch) refers to the output resolution of a printer or imagesetter, and PPI (pixels per inch) refers to the input resolution of a photograph or image. DPI refers to the physical dot density of an image when it is reproduced as a real physical entity, for example printed onto paper.