题目内容

五笔字型输入法是一种（）。

A. 形码输入法
B. 手写输入法
C. 音形结合输入法
D. 音码输入法

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（）的主要贡献是确定了现代计算机的基本结构，并首先提出了计算机内存储程序的概念。

A. 图灵
B. 比尔盖茨
C. 冯诺依曼
D. 埃克特

12 Feb, 2005Dear Mr. Stafford,Re: Your order #767 999 for ten CX 99 processorsI am sorry to inform you that we have been unable to process this order and I am returning it to you for your attention.There has recently been an upgrade of the CX99, now renamed the CX99GT, which significantly enhances its performance and reliability. Unfortunately, this upgraded product carries with it a price increase to $145.75 per item. The original version is no longer available. Prices of equipment and specifications are constantly changing and these are not always reflected in our advertisements, which are prepared some months before they appear in the press.We consider the new product to be well worth the extra money.Please let us know if you wish to proceed with the order at the new price. If you would like more information, do please call me.I look forward to hearing from you.Yours sincerely,ABC Company What advice does the supplier give to the customerHe hopes that the customer can consider ().

在Excel中，要求出A1单元格到A23单元格之间所有数据之和的公式是；要求出B5单元格到B43单元格之间所有数据的个数的公式是。

在具有24位颜色的数字图像上，每个像素能够使用的颜色是__________种。