Which are the components a computer must have _______________.
A central processing unit
B. A memory
C. Input and output unit
D. GPU
查看答案
Memory chip could be _____________
A. RAM
B. ROM
C. microprocessor chip
D. flash memory
PC bus lines _________________
A. move cars from one location to another
B. connect the CPU to memory
C. connect the CPU to other components on the system board
D. transfer data
Shareware is software ____________________________
A. free to use but some functionalities may not be available.
B. available for use after pay money.
C. available for use at no monetary cost but having a time limit.
D. freely distributed to users on trial basis.
Open source software could be _____________.
A. studied by anyone.
B. modified by anyone.
C. prohibited from modification.
D. free to use.
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