超星 - 2021-12-Practice-HardwareSoftware

单选题

Freeware is software ____________________________

A. available for use after paying bitcoin.
B. available for use after pay money.
C. available for use at no monetary cost.
D. None of these

查看答案

单选题

Subscription-based software is software __________________________

A. free to use but some functionalities may not be available.
B. available for use after pay a periodic fee.
C. available for use at no monetary cost.
D. freely distributed to users on trial basis.

查看答案

单选题

Linux is a/an __________________ Operating System.

A. Windows
B. Microsoft
C. Mac
D. Open source

查看答案

多选题

The basic operations performed by CPU are：

Arithmetic operation
B. Logical operation
C. storage and relative
D. All of these

查看答案

多选题

What are the operations performed by the ALU of a computer?

A. Greater than
B. Less than
C. Equal to
D. Add

查看答案

多选题

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

多选题

Memory chip could be _____________

A. RAM
B. ROM
C. microprocessor chip
D. flash memory

查看答案

多选题

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

查看答案

多选题

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.

查看答案

多选题

Open source software could be _____________.

A. studied by anyone.
B. modified by anyone.
C. prohibited from modification.
D. free to use.

查看答案