Previous paper class 7th(Computer)

Q#3. Fill in the blanks. (10*2=22) ————————–extracts instruction from memory and decode and execute them. ———————Perform arithmetic and logical operation. ———————is the memory from which can only read but cannot write on it. An ——————-is an electronic card that is used to add extra functionality to acomputer. A—————————– is a set of lines of different… Continue reading Previous paper class 7th(Computer)