RAM The RAM is a 16 X 8 static TTL RAM. We can program the RAM by means of the address and data switch registers. This allows us to store a program and data in the memory before a computer run. During a computer run, the RAM receive 4-bit addresses f…

Input and MAR Below the program counter is the input and MAR block. It includes the address and data switch registers. These switch registers are part of the input unit which allow you to send 4 address bits and 8 data bits to RAM. As you recall, ins…

Program counter The program is stored in memory with the first instruction at binary address 0000, the second instruction at address 0001, the third at address 0010 and so on.  The program counter, which is part of the control unit, counts from 0000…

Simple-As-Possible computer introduces all the cruicial ideas behind computer operation without burying you in unnecessary detail. The figure shows the architecture of SAP-1, a bus-organized computer. All register outputs to the W bus are three-state…

前言:本人在配置Hadoop的过程中,需要搭建Cent OS 64 环境,借此,顺便将Cent OS 64 的安装在此记录,方便自己,也方便大家学习.本次是在VM12虚拟机中实现Cent OS 64 的安装以及配置,后续还会有Hadoop的安装配置教程,我们先来进行第一步. 一.VMware 12 Install CentOS 64(Linux)OS create a new vm->there I screenshot my settings in the next steps-> keep…

What's the difference between a stack and a heap? The differences between the stack and the heap can be confusing for many people. So, we thought we would have a list of questions and answers about stacks and heaps that we thought would be very helpf…

Bruce Momjian POSTGRESQL is an object-relational database developed on the Internet by a group of developers spread across the globe. It is an open-source alternative to commercial databases like Oracle and Informix. POSTGRESQL was originally develop…

持续关注MongoDB博客(https://www.mongodb.com/blog)的同学一定会留意到,技术大牛Daniel Coupal 和 Ken W. Alger ,从 今年 2月17 号开始,在博客上持续发表了 如何在MongoDB中设计数据库模式的方法.截止到今日(4月20号),12种模式设计的方法已全部与读者见面.本人认为,此系列文章,总结的非常全面,很多地方有首创性,涵盖的场景也很多,并且有理论总结,也有案例分析.文中分享的很多知识使人"如听仙乐耳暂明",开卷受益,常读…

文章出处:  http://www.informit.com/articles/article.aspx?p=24094 In the preceding two chapters, I discussed dbExpress—a unidirectional database technology. In the real world, most applications support bidirectional scrolling through a dataset. As noted p…

http://www.programmerinterview.com/index.php/data-structures/difference-between-stack-and-heap/ The differences between the stack and the heap can be confusing for many people. So, we thought we would have a list of questions and answers about stacks…