CSP - UNIT 1

CSP - UNIT 1

Assessment

Flashcard

Computers

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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20 questions

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1.

FLASHCARD QUESTION

Front

Which of the following best describes how computing devices represent information? A computer will either represent information as bits or bytes but not both, A computer represents data as a byte which is either a 0 or a 1, A computer represents data as bits which is either a 0 or a 1, A computer represents information as bits which contain 8 bytes

Back

A computer represents data as bits which is either a 0 or a 1

2.

FLASHCARD QUESTION

Front

Which of the following is NOT true of how computers represent complex information? Computing devices use patterns of bits to represent complex information, Depending on context the same sequence of bits may represent different types of information, Common abstractions that are represented by computing devices include numbers, characters, and color

Back

Abstraction helps represent complex information by surfacing complexity that might otherwise be hidden

3.

FLASHCARD QUESTION

Front

When visiting a museum Lian takes a photo of a painting with a smartphone which stores the photo as an image file. Which of the following best describes the differences between the painting itself and the photo of the painting stored on the smartphone?

Back

The photo is a digital representation of the analog painting

4.

FLASHCARD QUESTION

Front

Your computer uses 4 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the SMALLEST number for which an overflow error occur? Options: 14, 15, 16, 17

Back

16

5.

FLASHCARD QUESTION

Front

Which of the following is true of how computers represent numbers?
D.   With a large but fixed number of bits it is possible to eliminate either round-off errors or overflow errors, but not both.

Back

With a fixed number of bits some numbers are too large to represent in a computer which will lead to overflow errors.

6.

FLASHCARD QUESTION

Front

Convert the binary (base-2) number 1001 to decimal (base-10).

Back

9

7.

FLASHCARD QUESTION

Front

Convert the decimal (base-10) number 20 to binary (base-2).

Back

10100

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