AP CSP Unit 1 Review

Front

Represent the following decimal values in binary: 133

Back

10000101

Front

Represent the following binary values in decimal: 0101 0110

Back

86

Front

How many bits would be required to represent the number of wheels on a car?

Back

3

Front

How many bits would be required to represent the number of states in the U.S.A?

Back

6

Front

The largest place value in a six-bit binary number is

Back

32

Front

Consider a one-byte binary number: c. What is the decimal value that is equal to the largest binary value?

Back

255

Front

At its lowest-level, all data stored digitally are represented using which of the following? images, bits, sound waves, X-rays

Back

bits

Front

Joseph is counting in binary with the help of code.org’s 8-bit Number System Odometer. After he reaches the number 1111 1111, he sees 0000 0000. In computer science, this is an example of:

Back

an overflow error

Front

What is the best explanation for why digital data is represented in computers in binary?

Back

Computers are designed to work via wires and circuits, which only have 2 possible states - on and off.

Front

Which of the following statements is NOT true regarding how computers represent complex information? Abstraction helps in the representation of complex information by revealing intricacies that might otherwise be concealed. Computing devices represent various abstractions such as numbers, characters, and color. The same string of bits may represent different information depending on the context. Complex information is represented by computing devices through arrangements of bits.

Back

Abstraction helps in the representation of complex information by revealing intricacies that might otherwise be concealed.