Computer Mathematics · Data Representation and Storage

Virginia SOL CM.DRS.2

Virginia SOL CM.DRS.2 is part of the Data Representation and Storage strand in Computer Mathematics (Math). Under this Standards of Learning objective, students differentiate between variable data types based on their characteristics. Below is what CM.DRS.2 covers in plain language, the specific skills it is assessed on, the key concepts to review, and how to practice CM.DRS.2 for the Virginia SOL test.

What SOL CM.DRS.2 means

Differentiate between variable data types based on their characteristics.

Skills you’ll practice for CM.DRS.2

  • Describe the characteristics of Boolean data types.
  • Describe the characteristics of character data types.
  • Describe the characteristics of integer data types.
  • Describe the characteristics of decimal (double/float) data types.
  • Describe the characteristics of string data types.
  • Differentiate between variable data types to determine the appropriate type for intended use (e.g., character vs. string, integer vs. double/float).

Key concepts covered by CM.DRS.2

  • Boolean
  • data types
  • true/false
  • logical values
  • character
  • single character
  • ASCII
  • Unicode
  • integer
  • whole numbers
  • signed/unsigned
  • decimal
  • double
  • float
  • floating-point
  • precision
  • string
  • text
  • sequence of characters
  • data type selection
  • character vs string
  • integer vs float
  • variable types

How to study and practice SOL CM.DRS.2

Start with a quick diagnostic to see whether CM.DRS.2 is already solid, then work each skill above with guided notes, flashcards, and SOL-style practice questions. For official released items, see our Virginia SOL practice tests guide and how to study for the SOL test.

  • CM.DRS.1Represent data and convert between number systems.
  • CM.DRS.3Represent data using appropriate data structures.

Frequently asked questions about SOL CM.DRS.2

What is Virginia SOL CM.DRS.2?

SOL CM.DRS.2 is a Computer Mathematics Standard of Learning in the Data Representation and Storage strand. It expects students to differentiate between variable data types based on their characteristics.

What skills does SOL CM.DRS.2 cover?

SOL CM.DRS.2 is assessed on 6 skills: describe the characteristics of Boolean data types; describe the characteristics of character data types; describe the characteristics of integer data types; describe the characteristics of decimal (double/float) data types; describe the characteristics of string data types; differentiate between variable data types to determine the appropriate type for intended use (e.g., character vs. string, integer vs. double/float).

What strand of Computer Mathematics is SOL CM.DRS.2 in?

SOL CM.DRS.2 belongs to the Data Representation and Storage reporting strand of the Computer Mathematics Virginia Standards of Learning.

How do I study and practice for SOL CM.DRS.2?

Start with a diagnostic to see whether CM.DRS.2 is already solid, then work the 6 skills above with guided notes, flashcards, and SOL-style practice questions. For official released items, see the Virginia SOL practice tests guide.