Sun Microsystems developed SPARC (Scalable Processor Architecture) in the early 1980s. It was a RISC (Reduced Instruction Set Computer) architecture designed to be highly efficient and scalable for a wide range of applications. SPARC was developed as an alternative to the existing CISC (Complex Instruction Set Computer) architectures of the time, which were considered more complex and less efficient.

Key Points:
- SPARC (Scalable Processor Architecture) was developed by Sun Microsystems.
- It was designed in the early 1980s.
- SPARC is a RISC (Reduced Instruction Set Computer) architecture.
- It was developed as an alternative to existing CISC architectures.

Sun Microsystems:
Sun Microsystems was a technology company founded in 1982. It was known for its work in computer hardware and software development, particularly in the field of network computing. Sun Microsystems played a significant role in the development of various technologies, including the Java programming language and the Network File System (NFS).

Key Points:
- Sun Microsystems was a technology company founded in 1982.
- It was known for its work in computer hardware and software development.
- Sun Microsystems played a significant role in the development of Java and NFS.

Development of SPARC:
SPARC was developed by Sun Microsystems as a response to the prevailing CISC architectures, which were considered more complex and less efficient. The goal was to create a RISC architecture that would be highly scalable, flexible, and efficient for a wide range of applications.

Key Points:
- SPARC was developed as a response to CISC architectures.
- The goal was to create a highly scalable and efficient architecture.
- SPARC aimed to be flexible for a wide range of applications.

RISC Architecture:
SPARC is a RISC architecture, which stands for Reduced Instruction Set Computer. RISC architectures simplify the instruction set and focus on executing instructions quickly and efficiently. By reducing the complexity of the instructions, RISC architectures can achieve higher performance and lower power consumption compared to CISC architectures.

Key Points:
- SPARC is a RISC architecture.
- RISC architectures simplify the instruction set.
- RISC architectures focus on quick and efficient instruction execution.

Conclusion:
In conclusion, SPARC was developed by Sun Microsystems as a RISC architecture in the early 1980s. It aimed to provide a highly scalable, flexible, and efficient alternative to existing CISC architectures. Sun Microsystems played a significant role in the development of SPARC and other technologies in the computing industry.