题目内容

在80C51单片机中用来存放程序状态的寄存器是哪项。()

A. PC
B. PSW
C. DPTR
D. Rn

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更多问题

在80C51单片机中的数据总线通过下面哪项实现。( )

A. P0口
B. P1口
C. P2口
D. P3口

在80C51单片机中PSW寄存器的位数。()

A. 1
B. 4
C. 16
D. 8

A 1: 1.______________________ , but we have a problem.A 2:What’s that?A 1:I waslooking at this month’s balance sheet. Our accounts payableshowsthat we 2.___________$15,000.A 2: Why is that a problem?A 1: Well, we 3. ___________ have $10,000 in thebank.A 2: Isee.We have to 4. ___________ some money to pay the difference.A 1: Isn’t it a 5. ___________ ___________ to take onmore debt?A 2: No. Our accounts receivable shows $15,000.We canuse that to 6.__________ ___________somedebt nextmonth.

Fill in the blanks with the correct words or phrases from the following words.accounts payable; fixed assets; sum ; inventory ; debt1. The company records most purchases in_____________________ .2. Companies with too much __________________can’t get loans.3. ________________ is getting low. Fill out a new purchase order.4. Add those figures. Then tell me what the__________ is.5 .The company has a lot of _____________________ , including a new warehouse.

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