H
1. Half duplex
A communication system in which data can be transmitted between a source and destination in both directions, but in only one direction at a time.
2. Hotlist
A personal list of favorite URL addresses that an Internet user is likely to visit frequently in future. A user’s hotlist is created automatically and stored on his/her local web client computer by a browser.
3. Hydra printers
Multifunctional devices that perform functions of two or more of following office equipment – printer, fax machine, copy machine, and scanner.
4. HTML (Hyper Text Markup Language )
A powerful language used for creating hypertext documents.
5. HTTP (Hyper Text Transport Protocol )
An Internet Protocol for interaction among computers on the Internet.
6. High Density Disk
A floppy disk capable of holding 1.44 megabytes of data.
I
1. ISP (Internet Service Provider)
An organization that maintains one or more gateway computers and provides Internet access facility to other users by allowing them to connect their computers to its own gateway computer(s) by using modem.
2. ISDN (Integrated Services Digital Network)
The ISDN is a telephonic system providing digital (not analog) telephone and data services. As it supports digital services (including digitized voice), ISDN telephone users enjoy noise-free, CD-quality, sound. Moreover, with the ISDN, no modem is necessary because it supports digital transmission of all types of data (including voice). ISDN has become so popular that a term to describe standard analog service has been coined: Plain Old Telephone Service (POTS).
3. ISA (Industry Standard Architecture) slot
Used to connect modem and input devices.
J
1. JCL (Job Control language)
A special purpose language used to describe to a computer’s operating system the resource requirements of a job.
K
2. Kiosk
An unattended system that is used to store information of public interest, and allows common people to access the stored information as per their requirement.
L
1. LISP (List Processing)
A programming language suitable for manipulating non-numeric data such as symbols and strings of text. It is used in the areas of pattern recognition, artificial intelligence, and . for simulation of games.
2. Leased
Leased line (also known as private line or dedicated line) is a special conditioned telephone line directly and permanently connecting two computers or line terminating equipment like routers. It can be used for both voice and data transmission. Hence, if an organization has two offices in two different cities, it is often cheaper for the organization to have its own leased-line between two offices for all its voice (telephone calls) and data transmissions. Often, charges for a leased line are based on channel capacity (bps) and distance (air miles).
3. Logic Errors
Occur when we make errors in planning the program’s logic or while converting the logic into program code. They cause the program to produce incorrect result or behave unexpectedly.
