The data storage hierarchy consists of:
Bits, bytes, fields, records, files and databases
To understand the data storage hierarchy, we need to consider how data is organized from the smallest unit to the more complex structures. The hierarchy is as follows:
- Bits: The smallest unit of data in a computer, which can hold a value of either 0 or 1.
- Bytes: Composed of 8 bits, a byte is the standard chunk of data that typically represents a single character.
- Fields: A field is a single piece of data; in database terms, it's a column in a table.
- Records: A record is a complete set of fields; it represents a row in a database table.
- Files: Files are collections of records stored together; they could be any kind of document or dataset.
- Databases: Databases consist of one or more files or tables organized for storage, processing, and retrieval of information.
Given the question's options, let's evaluate each to find the correct data storage hierarchy:
- Option 1: Bytes, bits, fields, records, files and databases - Incorrect, as 'bits' should come before 'bytes'.
- Option 2: Bits, bytes, fields, records, files and databases - Correct. This perfectly aligns with the described hierarchy.
- Option 3: Bits, bytes, records, fields, files and databases - Incorrect, as 'fields' should precede 'records'.
- Option 4: Bits, bytes, fields, files, records and databases - Incorrect. 'Files' shouldn't come before 'records'.
Thus, the correct answer is : Bits, bytes, fields, records, files and databases.
Similar Questions
Which of the following are the advantages in using Solid State Drives (SSDs) rather than Hard Disk Drives (HDDs) in Laptop computers?
A. SSD is much lighter than HDD.
B. SSD has a lower power consumption than HDD.
C. SSDs are thick compared to HDDs due to no moving parts.Choose the correct answer from the options given below:
Give below are two statements:
Statement I : CDs and DVDs are described as magnetic storage devices.
Statement II : Laser printers are made up of a print head consisting of nozzles that sprays droplets of ink onto the paper to form characters.
In the light of the above statements, choose the correct answer from the options given below:
Which one of the following statements is true about flash memory technology?
Which of the following tasks is associated with changing appearance of a document in word processing?
A new Laptop has been produced that weighs less, is smaller and uses less power than previous Laptop models. Which of the following technologies has been used to accomplish this?
Put the following units of storage into the correct order, starting with the smallest unit first and going down to the largest unit:
(a) Kilobyte
(b) Byte
(c) Megabyte
(d) Terabyte
(e) Gigabyte
(f) Bit
Give your answer from the following code:
With regard to computer memory, which of the following statement(s) is/are TRUE?
P: Read Only Memory (ROM) is ‘volatile’ memory.
Q: Random Access Memory (RAM) is ‘volatile’ memory.
R: Secondary Memory is ‘volatile’ memory.
Which of the following represents billion characters?
Which of the following statement(s) is/are TRUE?
S1: The decimal number 11 is larger than the hexadecimal number 11.
S2: In the binary number 1110.101, the fractional part has the decimal value as 0.625.
Which statement is true about Random Access Memory (RAM) in a computer system?
Important Questions from Computer Literacy
Which of the following represents the second phase in the traditional Systems Development Life Cycle (SDLC), typically following the preliminary investigation?
Choose the most suitable option for the following statement:
An operating system is responsible for ______ the computer system, while an application software is required for ______
Given the following sizes of memory:
1 MB, 1 KB, 1 GB
Which of the following is correct decreasing order?
URL of a webpage is a ______.
Which of the following is not the capability of a computer system?
