| Hard
Charging |
The
situation within an enterprise
whereby funds are transferred
from the Customers to the
service provider in payment for
the delivery of services. |
|
|
| Hard
Fault |
Hard
faults describe the situation in
a virtual memory system when the
required page of code or data ,
which a program was using, has
been re deployed by the
operating system for some other
purpose. This means that another
piece of memory must be found to
accommodate the code or data,
and will involve physical
reading/ writing of pages to the
page file. |
|
|
| Help
Desk |
An
interface, often referred to as
a 'SPOC',
between IT and its Users.
Its core processes are Incident
Management and the management of
User requests, ensuring that no
call or Incident is lost,
forgotten or ignored and that
service is returned as quickly
as possible. See also
Service Desk. |
|
|
| Hierarchical
Escalation |
See
Escalation. |
|
|
| High-level
Language |
A
computer language that provides
a level of abstraction from the
underlying machine language.
Statements in a high-level
language generally use keywords
similar to English and translate
into more than one
machine-language instruction. In
practice, every computer
language above assembly language
is a high-level language. |
|
|
| High
Performance File System |
A
file system available with OS/2
versions 1.2 and later. |
|
|
| High
Performance Parallel Interface |
An
ANSI communications standard
(used with supercomputers). |
|
|
| Host |
A
host computer comprises the
central hardware and software
resources of a computer complex,
e.g. CPU, memory, channels, disk
and magnetic tape I/O subsystems
plus operating and applications
software. The term is used to
denote all non-network items. |
|
|
| Hot
Stand-by / Start / Site
(internal, external or mobile |
An
IT Service Continuity option -
either provided from within the
organisation or by a 3rd party,
possibly in a fixed place or
mobile, consisting of a computer
room with full environmental and
telecommunications facilities
plus the neccessary hardware and
software to enable the site to
take over processing from the
normal infrastructure with
minimal disruption to
services. See also
Immediate Recovery, Intermediate
Recovery. |