1) What is the computer networks a) Main memory  b) CPU c) Primary memory 2) What are the 3 Main components of CPU a) ALU,computer speed ,LED b) ALU ,CU,Memory registers c) CPU,Cache memory ,pprimary memory 3) What are three types of primary memory a) ALU ,CU,memory register b) Main memory ,CPU ,ALU c) RAM,ROM,cache memory 4) What are the secondary Memory s a) Magnetic media devices ,optical media devices ,solid state devices b) Cache memory ,CPU ,ALU c) Primary memory ,CPU,cache memory   5) What are the magnetic media devices a) CD,USB flash drive ,hard disk b) Hard disk,Floppy disk,magnetic tape c) Memory card,hard disk,DVD 6) What are the optical media devices a) CD,DVD,Blu-ray b) Hard disk ,floppy disk ,magnetic tape  c) USB flash drive ,CD,Hard disk 7) What are the solid state devices a) USB flash drive ,memory card b) Hard disk , memory card c) CD,DVD

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