Podcast
Questions and Answers
What is the smallest unit of data?
What is the smallest unit of data?
- Bit (correct)
- Byte
- Record
- Field
In a computer system, what is a group of bit that represents a single character?
In a computer system, what is a group of bit that represents a single character?
- Record
- Entity
- Byte (correct)
- Field
What do we call a grouping of characters into a word?
What do we call a grouping of characters into a word?
- Record
- Byte
- Entity
- Field (correct)
Which term is used for a group of related fields, such as student's name and course taken?
Which term is used for a group of related fields, such as student's name and course taken?
What does a traditional file processing approach encourage in each functional area?
What does a traditional file processing approach encourage in each functional area?
Which term is used to describe a person, place, thing, or event in a computer system's organized data hierarchy?
Which term is used to describe a person, place, thing, or event in a computer system's organized data hierarchy?
What is the term for each characteristic or quality describing a particular entity in a computer system?
What is the term for each characteristic or quality describing a particular entity in a computer system?
In the context of computer systems, what does a file represent?
In the context of computer systems, what does a file represent?
What is the grouping of characters into a word called in the hierarchy of organized data in computer systems?
What is the grouping of characters into a word called in the hierarchy of organized data in computer systems?
Which of the following represents the smallest unit of data in a computer system's organized hierarchy?
Which of the following represents the smallest unit of data in a computer system's organized hierarchy?
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Study Notes
Data Hierarchy
- Bits represent the smallest unit of data
- A byte is a group of bits that represents a single character
- A field is a grouping of characters into a word
- A record is a group of related fields, such as a student's name and course taken
- A file is a group of records of the same type
Data Organization
- An entity is a person, place, thing, or event
- An attribute is each characteristic or quality describing a particular entity
Traditional File Processing
- Traditional approach encourages each functional area to incorporate its own file processing
- Functional areas include: • Accounting • Finance • Human resources • Sales and marketing • Manufacturing
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