The Difference Between

Ports are not used as a reference to TCP/IP and UDP logical connections.Now, the serial and parallel ports are no longer provided in the manufacture of most motherboards,and has been largely replaced by USB technology

A relationship diagram shows you which tables are "connected" to each other by unique keys. For example, there may be a table wit a persons Name and Age and SSN. The SSN is unique. Another table might have addresses and also use the SSN as the key. The relationship diagram would show a connection between these two tables using SSN.

A flow chart shows how code executes in a computer program and various branches and decision points that can change the flow of the program

A worksheet contains columns, rows and cells and is where you do your work. Each worksheet has a name. You can have more than one worksheet in a workbook. Each worksheet has a tab at the bottom of the screen, with its name on it. This is a sheet tab. It allows you to identify the different worksheets and by clicking on a sheet tab, you can change from one worksheet to another.

Photoshop = photo editing

Flash = animating and making games

Dreamweaver = programming

"P" refers to the Pentium processors manufactured by Intel.

the 4 and 5 are two different processor types, with the P5 being "dual core"

Software Theft

List,diagram,paragraph,if-then table

In cryptography, public key algorithms require two keys, one secret and one public. The public key is used in the encryption function, while the secret key is used in decryption . Conventional, or symmetric algorithms use a single key for both purposes.

Hosting the site, refers to you hosting a domain name and the corresponding content. e.g. Answers.com whereas hosting a server is the act of hosting or co-locating the server at a datacentre.

To host a site it needs to be hosted on some form of server/ blade etc., whereas you need not necessarily use the server you're co-locating to host a site.

Computer Networks : Computers are connected generally in the same physical location, using different styles e.g. Token ring, Star, Serial connection, etc. Also called as LAN, Local Area Nerwork. U will find it in a library, small offices, in the same building, computer labs, cyber cafe's etc, etc. or computer network can be set up in your home also ...

Distrubuted Systems : Also can be considered as a type of computer network but in a much large scale. Generally called as WAN, or Wide Area Network. Different computers are connected at different physical locations across cities, states, etc. Using distributed systems, various computer programs can be run or executed remotely irrespective of physical locations, so as to use the more meomory and processing power of other computers.

A specialist. It eats leaves off the tops of thorn trees, pretty much exclusively.

The major difference between the 8085 and the 8086/8088 is that the 8085 is an 8 bit computer, and the 8086/8088 is a 16 bit computer.

The first "home computers" were more hobbyist computers than home computers. You really had to be more interested in them as a hobby that was going to consume much of your time rather than as a tool that was going to be useful. Many of them came in kits with inadequate instructions that you would have to assemble using a soldering iron, hopefully you made no mistakes!

The first one I saw advertised in an electronics magazine was called the Mark-8 using the Intel 8008 microprocessor. You could order a package including the schematics, PC board artwork, and parts list (you had to etch the boards yourself and buy the parts on your own) or you could order a set of already etched boards (you still had to buy the parts on your own). The Mark-8 had no I/O devices, so you would have to improvise these!

A hub forwards packets it receives through one port to every other port on the device. A switch will read packet headers and identify which machines are connected to which port based on the information they send. Any packets addressed to those machines will only get sent to that port of the switch. A router looks at packet headers to determine which port it needs to forward a packet through, and also will translate packets between different protocols if needed. A router can also define subnets and will filter traffic as needed. Routers usually include DHCP, port forwarding capabilities and a whole host of other things usually controlled by software and therefore user customizable.
Hubs, Switches, Routers A Hub is, in its simplest form, just like a mains multiplug unit. There is no intelligence or circuitry in it. More complex units may incorporate an amplifier or repeater. The network signal goes into one port and out of all the others. This is a Layer 1 device. A Switch has a small level of intelligence, in that it can open a message, check the IP address, and direct the message packets to the port on which the device with that IP address resides. It cannot modify IP addresses or see addresses outside of the range of the 'home' network. This is a Layer 2 device. A Router can read IP addresses, and direct the messages to another network with different IP addresses to the originating network. The Router software can build up an address table, so that it 'knows' where other devices are. This is a Layer 3 device. CT

They all stand for some kind of computer area networks:- LAN's = Local Area Network, WAN's = Wide Area Network, MAN's = Metropolitan Area Network, HAN's = Home Area Network.

The primary difference if the permanence of the data held in the memory. When talking about volatile and nonvolatile memory in the context of computers, we're usually referring to RAM(volatile) and the hard drive(nonvolatile). Volatile means that the memory must be receiving power in order to hold its contents. RAM must be fed power or the data on the RAM will be lost.

A hard drive is nonvolatile, meaning it does not need power to keep data stored on it. This is why you install programs and photos etc to the hard drive. If you put them on RAM, it would disappear every time you turned off the PC!

While these three products are very similar, there are some differences. MySQL does not have a GUI interface while the other two do, it is also the only open source product of the three. SQL Server only runs on Windows, while the other two run on a variety of operating systems. Language support differs among the three, with each having some unique language support.

multitasking infers the mechanism to run many processes simultaneously with user interaction. multithreading is a mechanism of running various threads under single process within its own space.

Assembler- A computer program that takes computer instructions and converts them into a pattern of bits that the computer can understand and perform by it certain operations.

Compiler- program that processes statements written in a programming language and turns them into machine language that a computer's processor uses. this program get the syntax error in the written program

Conceptually speaking, both an assembler and a compiler do exactly the same thing: they take as input some language that is human-understandable, and translate that directly into machine code instructions that the computer can execute.

However, in common usage, an "assembler" refers specifically to a such a program that takes as its input assembly language. Assembly language is a very "low-level" programming language, where short acronyms as used to represent machine instructions. Thus, assembly language very, very closely mirrors the actual machine code being executed, and (realistically) is only very mildly "human readable". Assemblers do little more than directly translate the assembly source code into machine code - that is, they don't do optimization of their own, as assembly language is meant as a direct representation of the machine code, and thus no optimization is required (or, desired).

A "compiler" generally refers to any other instance of this concept, but usually means something that take a "higher-level language" (i.e. anything above assembly language) and translates that to machine code. Compilers generally need to be significantly "smarter" than an assembler, as the compiler does a whole lot more work, and thus, has the opportunity to make significantly optimizations when doing the source->machine code translation. That is, high-level languages allow for the expression of concepts of ideas, which make them ideal for humans to write programs in. The compiler must be sophisticated enough to take these ideas and convert them into concrete machine code instructions. In addition, better compilers notice places where shortcuts can be taken (optimizations) given the overall structure of the input source code.

Water erosion trenches, created naturally by water run off are known as gullies.