文章标题

3.

Auxiliary memory[citation needed], also known as auxiliary storage, secondary storage, secondary memory or external memory, is a non-volatile memory (does not lose stored data when the device is powered down) that is not directly accessible by the CPU, because it is not accessed via the input/output channels (it is an external device). In RAM devices (as flash memory) data can be directly deleted or changed.

Magnetic Disks,Compact Disks,Magnetic Tapes

4.

1)A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
2).
Random-access memory (RAM /ræm/) is a form of computer data storage. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory. In contrast, with other direct-access data storage media such as hard disks, CD-RWs, DVD-RWs and the older drum memory, the time required to read and write data items varies significantly depending on their physical locations on the recording medium, due to mechanical limitations such as media rotation speeds and arm movement.
3). This is a redirect from a title with another method of capitalisation. It leads to the title in accordance with the Wikipedia naming conventions for capitalisation, or it leads to a title that is associated in some way with the conventional capitalisation of this redirect title. This may help writing, searching and international language issues.
4).In computer architecture, a bus[1] (a contraction of the Latin omnibus) is a communication system that transfers data between components inside a computer, or between computers.
5).Parallel computing is a type of computation in which many calculations or the execution of processes are carried out simultaneously.

5.

云计算包含两方面内容，一是在网络上提供的为计算服务的应用，例如以前被称为SaaS(Software as a Service)的那一类应用；二是提供这些服务的在数据中心的硬件和系统软件，这部分也就是我们通常所称呼为“云”的东西。

6.

1)第三代的DDR，运行频率
2)不能；
3)能；
4)234

let a=0,i=0,c=0
input num
if num<0
{num=-num
c=1}
while(num>16)
{
a[i]=num%16 //利用连除法
num=num/16
i++
}

a[i]=num
if(c=-1)
print -//打印负号
for(;i>=0;i–)
{
if(a[i]<10) // 将每一位打印出来
print a[i]
else
print %c a[i]+55
}