What does CPU stand for?, Central Processing Unit, Computer Power Utility, C. Control Program User, D. Central Printing Unit, Which part of the CPU controls the work of the other computer parts?, A. Control Unit, C. Keyboard, B. Monitor, D. Printer, What is the main job of the Arithmetic and Logic Unit (ALU)?, To do calculations and comparisons, To display pictures, To print documents, To type letters, Which calculation can the ALU perform?, . 12 + 8, B. Printing a page, Playing sound through speakers, Scanning a photograph, Which is an example of a logical comparison done by the ALU?, Checking whether 9 is greater than 4, Drawing a picture, Saving a file to a USB drive, Displaying a video, What is the job of the memory unit?, To hold data and instructions, To make paper copies, To move the mouse pointer, To record sound, Which memory holds data while the computer is working?, RAM, Scanner, Monitor, Speaker, What can happen to unsaved work in RAM when the computer is turned off?, It may be lost, It becomes a photograph, It is printed automatically, It goes to the keyboard, Which device is an input device?, . Mouse, Projector, . Headphones, Printer, . Which CPU part performs the multiplication, and which part tells it when to do it?, . ALU performs the multiplication; Control Unit directs it, . Monitor performs the multiplication; keyboard directs it, . Memory unit performs the multiplication; printer directs it, . Mouse performs the multiplication; speakers direct it

computer system and processor

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