computer engineering

two or more answers

Selecting more answer options than the number of correct answer options results in zero, while selecting less results in half score. 3-1 Which of the followings are the input devices? (4 point(s) ) Author A. Infrared sensor Organization Bultrasonic sensor C speaker D button D E keyboard 3:2 What is a computer program? (4 points) Author Organization DA A detailed, step-by-step set of instructions telling a computer what to do 8. Software (programs) is ruled by the hardware (the physical machine). The machine stays the same, but the program changes DIf we change the program the computer performs a different set of actions or a different task The process of creating this software is called programming Save Author Organisation 3-3 Which of the followings about the hardware basics are correct? (4 point(s)) A. The central processing unit (CPU) is the brain of a computer B. The CPU carries out all the basic operations on the data. OC CPU can only directly access information stored in main memory (RAM or Random Access Memory). D. Main memory is fast but volatile le. when the power is interrupted, the contents of memory are lost. DE Secondary memory provides more permanent storage: magnetic (hard drive), flash (SSD, USB memory), optical CD, DVD) Author Organization 3-4 Which of the followings about the programming languages are not correct? (4 points) CA Python is a nigh-level language B. Low-level language is designed to be used and understood by humans OC Machine language is a kind of high-level computer languages D. Computer hardware can only understand high-level computer languages DE The machine language needs to be translated into high-level language that the computer can execute Save