Firewall

Firewall

Firewall is a system used to secure or protect a computer or a network from unauthorized access by outside users. Usually,

it is applicable when using internet and a network.

According to the type of firewall software, it is easy to configure so that each connection is monitored. Microsoft Windows

has built-in Firewall in all versions of latest operating software (XP, Vista and 7).

E-commerce

E-commerce

Electronic commerce (E-commerce) is handling business transactions online. It is the exchange of goods and services through

internet. In the modern world, it is possible to purchase and sell products online without leaving home.

Extranet

Extranet is a type of network when limited content of intranet network is available for users outside company’s employees

such as other businesses, clients or suppliers.
glossary of computer terms

Desktop computer

Desktop computer

Desktop computer is a type of computer designed for users who work in an office or home. As the name implies it is put on

desk or table. It is ideal for office workers.
glossary of computer terms

Dial-up connection

Dial-up connection is used to connect to the internet using a standard telephone line. A computer connects with the

telephone line via a modem. Its maximum transfer speed is 56 kilobytes per second. And it is the most slow internet

connection.

Application software

Application software

Application software is a kind of software developed to carry out a specific task on a computer. Ex. AutoCAD, word

processing, etc.

Bluetooth

Bluetooth is a wireless network technology used to connect Bluetooth enabled devices at short distance (up to 40m) without

using cables. It is a common communication method to transfer data between cell phones and laptops.

Broadband

Broadband is high speed internet connection. Several types of broadband connection exist. DSL (digital subscriber line),

satellite and leasing a line are among popular ones.

Cache memory

Cache memory is very high speed memory (RAM) type used to hold information frequently used by computer processor. Recent

system units incorporate more than two levels of cache memory (L1, L2, L3 and L4).
glossary of computer terms

Anti-Virus program

Anti-Virus program

Anti-virus program is an application developed to protect a computer from virus, worm, Trojan and other kinds of malicious

codes. The application continuously checks for viruses entering into a system.

If a virus is detected, it will do one of the three methods: repair the infected file or quarantine the file so that it

won’t be accessible to programs or delete the infected file.

Memory slots

Memory slots
The memory slots dictate the number of slots available on the motherboard. Some laptops have only one slot and most laptop

models have two slots.



Here I have listed memory information for some of the models of HP laptops. Your laptop model might not be listed here, but,

it would help you to figure out yours as well.


The list mentions:-

    *

      The type of memory used in a specific HP model,
    *

      Number of available hp laptop memory slots and
    *

      Maximum memory supported by the specific laptop model

Memory slots

Memory slots
The memory slots dictate the number of slots available on the motherboard. Some laptops have only one slot and most laptop

models have two slots.



Here I have listed memory information for some of the models of HP laptops. Your laptop model might not be listed here, but,

it would help you to figure out yours as well.


The list mentions:-

    *

      The type of memory used in a specific HP model,
    *

      Number of available hp laptop memory slots and
    *

      Maximum memory supported by the specific laptop model