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# Unit: Digital information

AP CSP:

DAT (BI)

, DAT‑1 (EU)

#### 0

AP CSP:

DAT‑1 (EU)

, DAT‑1.A (LO)

, DAT‑1.A.2 (EK)

, DAT‑1.A.3 (EK)

, DAT‑1.A.4 (EK)

, DAT‑1.A.6 (EK)

### Learn

### Practice

- Bits (binary digits)Get 3 of 4 questions to level up!
- BytesGet 3 of 4 questions to level up!

AP CSP:

DAT (BI)

, DAT‑1 (EU)

, DAT‑1.C (LO)

, DAT‑1.C.1 (EK)

, DAT‑1.C.2 (EK)

, DAT‑1.C.3 (EK)

, DAT‑1.C.4 (EK)

, DAT‑1.C.5 (EK)

Level up on the above skills and collect up to 240 Mastery points

AP CSP:

DAT (BI)

, DAT‑1 (EU)

, DAT‑1.B (LO)

, DAT‑1.B.1 (EK)

, DAT‑1.B.2 (EK)

, DAT‑1.B.3 (EK)

### Practice

- Number limits, overflow, and roundoffGet 3 of 4 questions to level up!

AP CSP:

DAT (BI)

, DAT‑1 (EU)

, DAT‑1.A (LO)

, DAT‑1.A.2 (EK)

, DAT‑1.A.6 (EK)

, DAT‑1.A.7 (EK)

### Practice

- Storing text in binaryGet 3 of 4 questions to level up!

AP CSP:

DAT (BI)

, DAT‑1 (EU)

, DAT‑1.A (LO)

, DAT‑1.A.10 (EK)

, DAT‑1.A.6 (EK)

, DAT‑1.A.7 (EK)

, DAT‑1.A.8 (EK)

, DAT‑1.A.9 (EK)

### Practice

- Converting analog data to binaryGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

AP CSP:

DAT (BI)

, DAT‑1 (EU)

, DAT‑1.D (LO)

, DAT‑1.D.1 (EK)

, DAT‑1.D.2 (EK)

, DAT‑1.D.3 (EK)

, DAT‑1.D.4 (EK)

, DAT‑1.D.5 (EK)

, DAT‑1.D.6 (EK)

, DAT‑1.D.7 (EK)

, DAT‑1.D.8 (EK)

### Practice

- Lossy vs. lossless compressionGet 3 of 4 questions to level up!

AP CSP:

IOC (BI)

, IOC‑1 (EU)

, IOC‑1.F (LO)

, IOC‑1.F.1 (EK)

, IOC‑1.F.2 (EK)

, IOC‑1.F.3 (EK)

, IOC‑1.F.4 (EK)

, IOC‑1.F.5 (EK)

, IOC‑1.F.6 (EK)

, IOC‑1.F.7 (EK)

### Learn

### Practice

- Digital copyright and licensesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 900 Mastery points!#### Unit test

### About this unit

This unit explains how computers store information digitally, as binary data. Learn about the binary number system, the conversion of analog to digital data, and data compression strategies. With more than 100 questions, you can practice what you've learned and study for the AP Computer Science Principles exam.AP® is a registered trademark of the College Board, which has not reviewed this resource.