11. Memory unit that communicates directly with the CPU is called the :
(a) main memory
(b) secondary memory
(c) auxiliary memory
(d) register
12. Which computer memory is used for storing programs and data currently being processed by the CPU ?
(a) Mass memory
(b) Internal memory
(c) Non-Volatile memory
(d) Volatile memory
13. Where does computer add and compare data ?
(a) Hard disk
(b) Floppy disk
(c) CPU chip
(d) Memory chip
14. The word ‘computer’ usually refers to the central Processing unit plus :
(a) external memory
(b) internal memory
(c) input devices
(d) output devices
15. Internal memory in a CPU is nothing but :
(a) a set of registers
(b) a set of ALU
(c) microprocessor
(d) bus
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