Friday, September 2, 2011

LAB EXERCISE-I.T 111...^^

BOOTING- is a bootstrapping process that starts operating system when the user turns on a computer system.

GUI- a graphical user interface is a type of user interface that allows users to interact with electronic devices with images rather than text commands.

LINUX- is a computer operating system which is based on free and open source software, can be installed on a wide variety of computer hardware, ranging from mobile phones, tablet computers, routers and video game consoles, to desktop computers, mainframes and supercomputers.


MACINTOSH OS-Mac OS is a series of graphical user interface-based operating systems developed by Apple Inc. (formerly Apple Computer, Inc.) for their Macintosh line of computer systems.


MS-DOS-  is an operating system for x86-based personal computers. It was the most commonly used member of the DOS family of operating systems.



MULTITASKING-Running two or more programs at the same time on the same single-processor (single CPU) computer.
may refer to the ff:

COMPUTER MULTITASKING-the apparent simultaneous performance of two or more tasks by a computer's central processing unit.

MEDIA MULTITASKING- could involve using a computer, mp3, or any other form of media in conjunction with one another.
HUMAN MULTITASKING- The ability of a person to perform more than one task at the same time.

NOS-Set of programs that, as a part of an operating system (OS), provide file and print services, directory services, and security to computers connected via a network.

OS-An operating system (OS) is software, consisting of programs and data, that runs on computers, manages computer hardware resources, and provides common services for execution of various application software.

SYSTEM SOFTWARE- is computer software designed to operate the computer hardware and to provide a platform for running application software.


APLICATION SOFTWARE- also known as an application or an "app", is computer software designed to help the user to perform specific tasks.

UNIX-Powerful, multi-user, multitasking, and extremely stable 32-bit computer operating system and the platform on which internet was built and continues to work.


UTILITY PROGRAM-A program that performs a specific task related to the management of computer functions, resources, or files, as password protection, memory management, virus protection, and file compression.

WINDOWS-A trademark for any of a series of GUIs or GUI-based computer operating systems.
                    -Windows makes a computer system user-friendly by providing a graphical display and organizing information so that it can be easily accessed. 
WINDOWS CE-  is a distinct operating system and kernel, rather than a trimmed-down version of desktop Windows.
WINDOWS MOBILE-Windows Mobile is a mobile operating system developed by Microsoft that was used in smartphones and mobile devices.




*DIFFERENTIATE*

MAC OS vs WINDOWS vs UNIX

MAC OS is a series of graphical user interface-based operating systems developed by Apple Inc. (formerly Apple Computer, Inc.) for their Macintosh line of computer systems.WINDOWS  came to dominate the world's personal computer market, overtaking Mac OS, which had been introduced in 1984.UNIX Powerful, multi-user, multitasking, and extremely stable 32-bit computer operating system and the platform on which internet was built and continues to work.










Friday, August 12, 2011

IT111 - Lab Exercise (Aug.12)

ANSWER:

1.Marcian Edward "Ted" Hoff, Jr. (born October 28, 1937 in Rochester,New York), is one of the inventors of the microprocessor Hoff, an engineer, joined Intel in 1967 as employee number 12, and is credited with coming up with the idea of a universal processor instead of custom-designed circuits. 

2.Power management of personal computers (PCs) and monitors has the potential to save significant amounts of electricity as well as deliver other economic and environmental benefits. The Environmental Protection Agency's Energy Star program has transformed the PC market so that equipment capable of power management is now widely available. However, previous studies have found that many Energy Star compliant computer system are not accomplishing energy savings. The principal reasons for this are systems not being enabled for power management or a circumstance that prevents power management from operating. This guide is intended to provide information to computer support workers to increase the portion of systems that successfully power manage.


3.
  • Get what you pay for - Make sure you're getting what you paid for. A common tactic is to overclock the processor, memory, or other component. This can be done by anyone with a little computer knowledge. For example, you may buy a 733MHz processor but instead get a 500MHz.

    To determine the processor speed, open the computer and look at the processor itself. Do not look at the processor through a software program or through BIOS as these values can be changed or tricked.
  • Legal software - When purchasing a computer, make sure it was legal purchased and the CD or other disc and its CD-KEY is included. Many end-users or small computer companies who build or sell computers may not provide you with legal copies of the software, which is illegal and may leave you with a fine or the inability to get updates.


4.Solid-state storage is a nonvolatile, removable storage medium that employs integrated circuits,rather than magnetic or optical media. It is the equivalent of large-capacity, nonvolatile memory. Examples include flash memory Universal Serial Bus  devices and various proprietary removable packages intended to replace external hard drives The main advantage of solid-state storage is the fact that it contains no mechanical parts. 

5.Teleconferencing technology has provided businesses with an entirely new way of communicating over long distances. In fact, it helps business save money on travel expenses and has also helped business owners increase the productivity of their business by providing them with the ability to communicate via telecommunication methods.

6.
Solid-state storage is a nonvolatile, removable storage medium that employs integrated circuits,rather than magnetic or optical media. It is the equivalent of large-capacity, nonvolatile memory.
Magnetic storage uses different patterns of magnetization in a magnetizable material to store data and is a form of non volatile memory.

Other examples of magnetic storage media:
  • floppy disk
  • magnetic recording tape
  •  magnetic stripes on credit cards. 
Optical storage is a term from engineering referring to the storage of data on an optically readable medium.can range from a single drive reading a single CD-ROM to multiple drives reading multiple discs such as an optical jukebox.

Friday, August 5, 2011

monitor

A monitor or display (sometimes called a visual display unit) is an electronic visual display for computer. The monitor comprises the display device, circuitry, and an enclosure. The display device in modern monitors is typically a thin film transistor liquid crystal display(TFT-LCD) thin panel, while older monitors use a cathode ray tube about as deep as the screen size.

Thursday, August 4, 2011

computer

A computer is a programmable machine. designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem.