In terms of computing power, which is the most important element of a computer system?
Correct answer: C. CPU (Central Processing Unit)
- A. ALU (Arithmetic Logic Unit)
- B. CU (Control Unit)
- C. CPU (Central Processing Unit)
- D. All of these
Explanation
CPU (Central Processing Unit) is the brain of the computer and it's responsible for processing instructions and data. It contains the ALU (Arithmetic Logic Unit) and CU (Control Unit) that you mentioned in the options. The ALU performs mathematical and logical operations, while the CU fetches instructions from memory, decodes them, and controls the overall flow of data through the CPU. Therefore, the CPU, which includes both the ALU and CU, is the most important element for computing power.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Hardware and Software
Hardware includes the physical components of a computer, such as the CPU, motherboard, registers, memory, storage devices and peripheral equipment. Software covers system software, application software, utilities, drivers and firmware, with attention to how the operating system manages hardware and how software differs from the physical equipment it controls.
Practise Hardware and Software
290 free Hardware and Software MCQs from Computer Science and IT, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Computer Science and IT questions like this
Computer Science and IT is on 85 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Hardware and Software questions
The term that can be used for a language translator is:
Assembly language program is translated with the help of?
If we consider the architecture of the modern stored program machine, the most important components are:
Each instruction is:
Which of the following determines which interface to send the data to?
Which must DRAM have to maintain electrical state?