题目内容

提交第三章作业：P48页的编程题2-4要求：（1）有教师批改记录（2）错误的地方，有学生改正记录（3）拓展：同学有电脑运行记录截图、自我学习评价改进（选作）提示：完全正确的同学提交（1）和（3）

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With these systems, input and output devices are located outside the system unit.

A. Desktop systems
B. Personal digital assistants
C. Smartphones
D. Laptop computers

This type of computer is a thin slab that is almost all monitor with the system unit located behind the monitor.

A. Laptop
B. Tablet
C. Desktop
D. Smartphone

A byte is formed by a group of _____.

A. 4 bits
B. 8 bits
C. 12 bits
D. 16 bits

Which of the following is not a character encoding standard?

A. EBCDIC
B. ASCII
CISC
D. Unicode