2023-24 Comp Sci Semester 1 Final Exam Study

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.

Front

When visiting a museum James 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.

Front

Your computer uses 3 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?

Back

8

Front

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

Back

9

Front

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

Back

1010

Front

Brooke is texting a large image file to her boyfriend Rylan. Which of the following is most likely true if Brooke's messaging app compresses the image before sending it?

Back

The image will require fewer bits in order to be represented.

Front

What type of compression should Haileigh choose for her app that needs to quickly send low quality photos between users?

Back

Lossy compression since it typically results in smaller data sizes.

Front

A machine that can run a program

Back

computing device

Front

A group of computers working together for a common purpose

Back

computing system

Front

A group of connected computers that can send or receive data

Back

computing network