TestOut (1.1-1.1.18) Exam: Concept Questions

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Match each ethical principle on the left to its definition. 1- Digital Property Rights 2- Confidentiality 3- Human Dignity 4- Civility

1. Recognizing and respecting the legal claims of others to online data, creative works, and other digital assets 2. Protecting data and information we're not authorized to share 3. Respecting and honoring the inherent worth and right to privacy of other people 4. Observing rules of "netiquette" that promote courtesy and respect in online settings

How many bits are in a single byte?

8

Which of the following is the correct binary representation of the number 2? A. 101 B. 11 C. 10 D. 110

Answer: 10 Explanation: 10 in binary is the same as 2 in decimal. 11 in binary is the same as 3 in decimal. 101 in binary is the same as 5 in decimal. 110 in binary is the same as 6 in decimal

Which of the following is the best definition of a bit? A. A physical signal that becomes a digital signal B. An electrical signal in a wire C. A single 1 or 0 in a digital signal D. A measure of computer graphics and sound

Answer: A single 1 or 0 in a digital signal

Match each feature to whether it influences audio or video quality. Sampling Rate Bit Depth Resolution Frame Rate Color Depth

Audio- Sampling Rate, Bit Depth Video- Resolution, Frame Rate, Color Depth

Put the following events from computer history in the order they happened:

Herman Hollerith develops electronic tabulating machine International Business Machines, or IBM, is formed Scientists at Bell Laboratories invent the transistor Jack Kilby invents the microchip The Apple II is released for home consumers The World Wide Web becomes available to the public Apple releases the iPhone

Arrange the following from smallest to largest.

Kilobyte Megabyte Gigabyte Terabyte

Which type of digital picture is made by storing individual pixel values?

Raster

Which kind of file would be hurt most by a lossy compression algorithm?

Text Document

Which type of digital picture can be scaled to any size without losing quality?

Vector


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