In this learning activity you'll identify the voltage levels produced or recognized by digital logic devices as valid or invalid logic state signals.

Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.

Learners examine the periodic table to identify metallic elements that have either fixed or variable oxidation states.

Learners examine the main characteristics of the four financial statements required in accounting: the income statement, the owner's equity statement, the balance sheet, and the statement of cash flow.

Learners complete a matching exercise as a quiz or as a review of state laws and rules pertaining to barbers and cosmetologists.

Learners read about the most common forms of financial statements including balance sheets, cash flow statements, and profit and loss statements. A brief quiz completes the activity.

The learner reads an explanation of all of the elements that comprise a future-state map. A map is shown.

Students observe the operation of a tri-state buffer used in digital electronics. A brief quiz completes the activity.

Learners follow step-by-step instructions for creating a current-state map to identify how materials and information flow.

Roman numerals are used to identify the charges on metal cations having multiple oxidation states. Five examples are provided for practice.

The learner explores the purpose of organizational mission statements and practices writing a statement that contains the four elements outlined.

Learners read about the purposes of balance sheets and income statements and then place accounts into these two financial statement categories in a drag-and-drop exercise.

In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.

Identify the correct description of pseudocode if statements.

In this well-illustrated object, learners examine the structures and properties of the four types of solids: molecular, metallic, ionic, and covalent network. Five interactive questions are provided.

In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.

Learners use this Structured Query Language tutorial to gain an understanding of how a SELECT statement is built. This learning object has audio content.

Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.

Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.

Learners examine a table containing the names of common cations and anions.