What does CISC stand for in computer architecture?

CISC stands for Complex Instruction Set Computer. This term refers to a type of computer architecture that is designed to execute a wide variety of instructions, or commands, that can perform complex operations in a single instruction cycle. The fundamental idea behind CISC is to reduce the number of instructions per program, which can make programs shorter and potentially more efficient in terms of memory usage.

CISC architectures are characterized by their ability to handle complex instructions, which can perform multiple operations or manipulate different types of data within a single command. This is in contrast to RISC (Reduced Instruction Set Computer) architectures, which focus on a smaller set of simple instructions that can be executed at high speeds.

The other options do not represent the concept correctly. Common Integrated System Control, Central Instruction Set Computer, and Clear Instruction Set Compiler do not align with established definitions in computer architecture, making them incorrect choices in this context.