一、单选题（共 20 道试题，共 80 分。）V
1. A （ ）is a communication device that enables computers to communicate via telephone lines or cable.
A. modem
B. hardware
C. software
D. processor
满分：4 分
2. （ ） are output devices that print characters, symbols, and graphics on a physical medium such as paper and a transparency file.
A. Flat panel monitors
B. Printers
C. Keyboards
D. Pointing device
满分：4 分
3. The （ ） is the communications medium for the entire computer system.
A. system board
B. input
C. output
D. bus
满分：4 分
4. The two components of the CPU are connected by a kind of electronic roadway called a(an) （ ）.
A. USB
B. bus
C. port
D. keyboard
满分：4 分
5. （ ） is summarized data or manipulated data.
A. Information
B. Hardware
C. Software
D. Procedure
满分：4 分
6. The first computers used （ ） for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms.
A. vacuum tubes
B. transistors
C. integrated circuits
D. microprocessors
满分：4 分
7. （ ） have more storage capacity than diskettes and also offer faster access to the data they hold.
A. Hard disks
B. Optical disks
C. Zip disk
D. CD
满分：4 分
8. A （ ） port is an interface that connects devices by transferring more than one bit at a time.
A. serial
B. parallel
C. USB
D. none of the above
满分：4 分
9. （ ） performs arithmetic, comparison, and logic operations. It is one part of the CPU.
A. RAM
B. ROM
C. CPU
D. ALU
满分：4 分
10. A （ ）,also called a silicon chip or semiconductor,is a small piece of silicon that contains thousands of microminiature electronic circuit components, mainly transistors.
A. bus
B. chip
C. port
D. keyboard
满分：4 分
11. （ ） refers to the physical equipment that can perform the basic functions contained within the data processing cycle.
A. Software
B. Hardware
C. Memory
D. Mainframe
满分：4 分
12. （ ）(Reduced Instruction Set Computer) refers to processors that support fewer instructions than CISC chips. The reduced number of instructions enables them to execute instructions faster.
A. CISC
B. RISC
C. RAM
D. ROM
满分：4 分
13. （ ） is the electronic device that interprets and carries out the basic instructions that operate the computer.
A. Processor
B. hardware
C. memory
D. CPU
满分：4 分
14. Processing is done inside the computer in an area called the （ ）.
A. input devices
B. output devices
C. system unit
D. central processing unit
满分：4 分
15. The process of translating instructions into commands is called （ ）.
A. decoding
B. register
C. digital
D. port
满分：4 分
16. （ ） can be in the form of programs, commands and user responses.
A. Processor
B. Instructions
C. Mouse
D. Port
满分：4 分
17. A（ ）is a cable which is capable of carrying signals representing data from one place to another.
A. bus
B. byte
C. bit
D. disk
满分：4 分
18. （ ）(Complex Instruction Set Computer) refers to the processor architecture found in most conventional mainframes and personal computers. It supports many complex instructions.
A. CISC
B. RISC
C. RAM
D. ROM
满分：4 分
19. The common input devices are the （ ）and the keyboard.
A. printer
B. speaker
C. monitor
D. mouse
满分：4 分
20. （ ） is one of the components of the CPU, tells the rest of the computer system how to carry out a program's instructions.
A. Control unit
B. ALU
C. RAM
D. ROM
满分：4 分