文档介绍：计算机应用基础理论基础知识复****题
1(微型计算机硬件系统中最核心的部件是()。BA、主板B、CPUC、内存储器D、I/O设备
2(下列术语中，属于显示器性能指标的是()。CA、速度B、可靠性C、分辨率D、精度
3(配置高速缓冲存储器(Cache)是为了解决()。C
A、内存与辅助存储器之间速度不匹配问题B、CPU与辅助存储器之间速度不匹配问题
C、CPU与内存储器之间速度不匹配问题D、主机与外设之间速度不匹配问题
4(计算机病毒是一种()。C
A、特殊的计算机部件B、游戏软件C、人为编制的特殊程序D、能传染的生物病毒
5(ROM是()。D
A、可读写存储器B、动态随机存取存储器C、只读存储器D、可编程只读存储器
6(在计算机领域中通常用MIPS来描述()。A
A、计算机的运算速度B、计算机的可靠性C、计算机的可运行性D、计算机的可扩充性
7(为解决某一特定问题而设计的指令序列称为()。C难:2 A、文档B、语言C、程序D、系统
2--per ml sodium hydroxide [c (NaOH) = mol/L] potassium hydrogen phthalate standard solution of quality g. ... After dilution to 1000mL. 35mol/L iodine solution: dissolve 20 g of potassium iodide in Cheng You (30~40) 500mL mL water bottle; 5mL iodine stock solution, and then diluted to scale and mix. This solution every other day to prepare. acetate buffer (): dissolve 87g sodium acetate (CH3COONa • 3H2O) 400mL water and in glacial acetic acid is dissolved in a small amount of water. volume and then mixing the two together and add water to 500mL, using regulation to . sodium chloride: g of sodium chloride dissolved in boiled water, and constant volume to 500mL. soluble starch: pure before use should determine its value. Accurate said take amount starch (equivalent to dry state 1g) Yu 250mL high type beaker in the, added 80~90mL distilled water, Yu asbestos online in constantly mixing Xia quickly heating to boiling, then with fire keep micro-boiling 3min, stamped and cooling to at room temperature, transfer to 100mL capacity bottle in the, into 40 ? water bath in the makes solution reached this temperature, and in 40 ? Shi with distilled water (40 ?) set capacity, this starch solution placed 40 ? thermostat water bath in the for determination samples with. the instrument a) constant temperature water bath: (40+-) 0C. B) spectrophotometer. procedures preparation of samples: weighing 50mL 10G sample
8(在各类计算机操作系统中，分时系统是一种()。D难:2 A、单用户批处理操作系统B、多用户