wallsplus: 2014

SLC Preparation

This site helps in many sectors of education and tries to provide information on many sectors. And noticed that it may also be helpful for the students for their SLC education. Recently the site contains info about computer science (in IT Zone) and is updating about furthers also. Please keep on visiting.

www.theinfozones.com

IT Tech Terms Collections

Networks of networks.
Physical layout of network.
A card used to connect the computer in network.
Software that detects or removes the computer virus.
The combination of multiple media such as text, images, videos, animation and audio.
A set of rules by which computers communicate with each other over a network.
Number of bits transferred per second over a transmission medium.
A web service which contains answers to the questions commonly asked by many users.
The method of consolidating fragmented files on the computer's hard disk.
The integration of text, graphics, audio, animations, videos etc.
A device that amplifies the incoming signals, creates a new copy of it and transmits the signals on the network.
A wireless technology or line of sight communication that can be used to transmit data between two different networks or computers.
A program that can replicates itself without user's knowledge or permission.
The array or link pattern of computers and other network.
Protocol used to connect computer on internet.
The array or link pattern of computers and other network.
Technique of providing medical information and services through the internet.
A block of data at the end an electronic message that attests the authenticity of the message.
The sharpness of the image on the monitor screen determined by the number of pixels that make up the image.
The device used to connect dissimilar network.
A set of rules by which computers communicate with each other over a network.
Moral rules to be followed bye computer and other professional.
Rules and format to accept and transfer data in computer network.
Making an extra copy of data and software.
A virus that corrupts system files of operating system.
Buying and selling products and services online.
Cabling structure of LAN.
Group of computers that can share resource.
A program that destroys the other program.
An organization offering access to some or all the services available on the internet.
A device which provides continuous power to the computer equipment.
The world wide network of computers.
A device with multiple ports that allow network devices to be connected together.
A worldwide discussion group in which people share information and ideas on a particular area of interest.
A computer program designed to infect executable program files having extension .exe, .com, or . dll.
It is volatile memory of computer.
A program that can translate assembly language into machine code.
The device that gives continuous power to the computer even at the time of power cut.
The output that can be changed easily.
The combination of analog and digital computer.
A small portable computer that runs on a single main battery or from an AC/DC adapter.
A computer program that allows other programs to interact with computer hardware.
A device that gives soft-output.
Set of codes used in writing program.
A part of computer that stores data and information temporarily.
The main circuit board containing the vital components of a PC.
A highly general or generic term usually referring to the provision of services via the internet.
A technology used to store, communicate and manipulate information.
Early counting device using beads on strings.
The computer which works on the basis of signal produced due to the variation in physical quanties.
The system diagnostic program stored in ROM.
A programming language that uses binary codes.
A software is designed to solve the particular kind of task in the computer.
A printer produce more sound and provides less quality output.
The process of detecting and removing errors in the computer programs.
A collection of related information.
A long narrow socket on the motherboard into which we can plug an expansion card.
The combination of multiple media such as text, images, video, animation and audio.
The main information processor in a digital computer capable of executing a program.
A unit performing mathematical and logical operations.
A peripheral device for producing text, images on paper for present and future use.
A computer capable of solving problems by processing information in discrete form.
A pathway or connection where the electronic impulses travel along within the microprocessor and system unit.
The legal issued adopted by the government to minimize the computer crime.
A medical procedure in which a computer is used to generate a 3-D image of a body part.
A representation of an element in windows desktop.
An electronic device capable of storing electrical energy.
An electronic device that controls the flow of electrons in a vacuum.
A blinking point of light displayed on the screen to help the user in the input data.
The act of entering data and instructions into a computer.
The virus that infect master control program software and delete the file having the extension .exe, .sys, .com.
The nerve centre of the CPU that directs and coordinates the activities of the entire computer.
The smallest unit of information handled by a computer.
A photoelectric scanner that reads the bar codes.
A device is used to make menu selection and draw freehand shapes on a screen.
The connector that passes data in and out of a computer peripheral device.
A device that converts digital signal to analog and vice-versa.
The concentric circles that is divided on the surface of the floppy disk
Binary code were devised by ....
A long-term memory used to store program and data for the future reference.
A network serving a single organization or site that is modeled after the internet.
A measure of machine cycle time; equals one thousandth of second.
Compiler, interpreter and assembler are called .....
It is the computer errors caused due to incorrect input data programs.
A topology in which all the nodes are connected in a single communication line.
It is the online non-commercial interaction between government organization and the government employees.
Linux operating system was developed in ....
It is a small high speed memory located between main memory and microprocessor.
A collection of four bits.
Set of programs, which makes computer work.
A world wide network of networks.
Protocol used by e-mail client to download e-mails from e-mail server.
The program which scans and removes viruses from computer.
The process of loading system files into computer memory.
The secret word that provides software security for the computer users. - password
The process of rearranging files and blank spaces on disk. - disk defragmentation
Keeping the copy of important file and software which can be used if the original one will be damaged - backup
A device with a rechargeable battery used for giving the power backup to computer system in the absence of electricity. - UPS
A program that controls the function of the hardware device. - device driver
A device that connects multiple networks that use the same protocol.
The scattering of the parts of the same file over different location in the disk. - fragmentation
A type of virus that pretends to be a normal useful program. - trojan horse
The process of encoding information in such a way that it is unreadable to all unless it is restored to original form. - encryption
Number of bits that can be transferred per second over a given transmission medium. - bandwidth
The process of restoring encrypted data to its original form. - decryption
A formula used to generate digital signatures. - hash algorithm
Laws related to the internet and cyberspace. - cyber law
The application of IT for the functioning of the government.
A person who breaks and used password of other computer and file illegally. - hacker
A simulation of movement created by displaying a series of images and text with special effects. - animation
An artificial environment created with computer hardware and software. - virtual reality
A hardware device that provide common wiring point in LAN. - HUB
The bulletin board service or public message group service of internet.
Used to instruct as a master. - multimedia
A technology which store text, sound, graphics and other information as digital data. - multimedia technology
Face-to-face interaction among participating users. - multimedia conferencing
Moving text or image. - animation
A software that can cause malfunction in normal functioning of a computer. - virus
A program equivalent to machine language. - object program
An error caused by missing comma, type mismatching etc. - syntax error
The process of converting coded data into its original data. - decoding
An integration of audio, video, graphics and text. - multimedia technology
The integration of text, audio, sound and animation.
The moving graphics or images.
The still-frame pictures displayed on screen.
The artificial environment created by computer technology.
A hardware or software that connects two dissimilar networks. - gateway
A device used in network with multiple port. - hub
A device that converts analog signals to digital and vice-versa. - modem
Cable lines or path through which data flows in a specified path. - guided media
The internal interference produced by adjacent pair of twisted pair cables. - noise
The difference between the highest and lowest frequencies of a transmission channel. - bandwidth
The process of transferring a file from remote computer to the requesting computer. - downloading
The tool that is used to maintain performance and error free file management. - scandisk

Computer Virus Examples:

Boot Sector Viruses:

C-Brain, Stone, Disk Killer, Danish boot, Devel 941 etc.

File Infecting Viruses:

Acid rain, Enigma, Nemesis, Cascade, Crazy, Alien .298 etc.

Macro Viruses:

DMV, Nuclear, word concept etc.

Multipartite Viruses:

Invader, Flip, Tequila etc.

Polymorphic Viruses:

Chameleon, Cascade, Evil, Phoenix, Proud etc.

Stealth Virus:

Frodo, Joshi, Whale, The 4096 virus etc.

Parasitic Virus:

Jerusalam

Categories following into:
Boot sector virus, file infecting virus, stealth virus, macro virus, polymorphic virus,

friday the 13th, w97m. melissa, stoned, frodo, involuntary

Cam Studio Free Download

From Publisher's Note:

CamStudio is a freeware software able to record all screen and audio activity on your computer and create industry-standard AVI video files and using its built-in SWF Producer can turn those AVIs into lean, mean, bandwidth-friendly Streaming Flash videos (SWFs)

Here are just a few ways you can use this software:

You can use it to create demonstration videos for any software program
Or how about creating a set of videos answering your most frequently asked questions?
You can create video tutorials for school or college class
You can use it to record a recurring problem with your computer so you can show technical support people
You can use it to create video-based information products you can sell
You can even use it to record new tricks and techniques you discover on your favourite software program, before you forget them

Download the software:
Standalone Version 2.7 (or offline version) (Download)

Software Crack, Patch, Serial Download

Many many searches on the search engines are of the words crack, patch or serial key or activation key etc of the popular software. Many software vendors release their software in the internet world for marketing as trial version. But when the software are so popular or useful for the clients, their are searches for the key, patch, crack etc for continuing the use of the software.

Instead of such searching, user can buy the full version of the software if they want to continue the use of such software.

Some of the most searched keywords on the search engines are like followings:

Anyplace control activation key
Anyplace control crack
Anyplace control patch
Internet download manager (IDM) activation key
Internet download manager (IDM) crack
Kaspersky antivirus activation key
Kaspersky crack
Nod32 antivirus activation key
Nod32 antivirus serial key
Nod32 antivirus username and password
Nod32 crack
Nod32 smart security username and password
Windows 7 activation key
Windows 7 product key
Windows activation key

Anyplace Control Software Free Download

From Publisher's Note:

Anyplace Control displays remote computer desktops in separate 'Remote Screen' windows. These are the primary interfaces for interacting with a remote computer, and they allow you to control a PC directly with your keyboard and mouse.

You can also open several of these windows at once - allowing you to monitor more than one computer simultaneously. These software windows could then be resized, and minimized like conventional Windows.

Download Software Free (Latest Version)
Buy the software for full version instead of searching for serial number or crack or patch for the software.

To Update The Marks

A sequential data file "std.dat" contains name, class and roll no., marks of english and science of a student. Make a program to update marks in english and science. (assuming only one record)
CLS
OPEN "std.dat" FOR INPUT AS #1
OPEN "temp.dat" FOR OUTPUT AS #2
INPUT #1, n$, cl, r
INPUT "Enter marks in english:"; en
INPUT "Enter marks in science:"; sc
WRITE #2, n$, cl, r, en, sc
CLOSE #1, #2
KILL "std.dat"
NAME "temp.dat" AS "std.dat"
END

To Find The Certain Record In A Data File

A sequential data file "std.dat" contains name, class and roll of a student. Make a program to display certain records in the file according to the roll no. supplied.
CLS
OPEN "std.dat" FOR INPUT AS #1
INPUT "Enter the roll number of the required student:"; rn
PRINT "Name", "Class", "Roll"
DO WHILE NOT EOF(1)
    INPUT #1, n$, cl, r
    IF r = rn THEN
        PRINT n$, cl, r
    ELSE
    END IF
LOOP
CLOSE #1

To Display All Records In The File.

File contains name, class and roll no., marks of english and science of some students.

CLS
OPEN "std.dat" FOR INPUT AS #1
PRINT "Name", "Class", "Roll", "English", "Science"
DO WHILE NOT EOF(1)
INPUT #1, n$, cl, r, en, sc
PRINT n$, cl, r, en, sc
LOOP
CLOSE #1
END

To Display Natural Numbers From 1 to 10

Using FOR ...... NEXT
Normal Program:
CLS
FOR i = 1 TO 10 STEP 1
PRINT i
NEXT i
END

To check entered character is vowel or consonant.

Normal Program:
CLS
INPUT "Enter any one character:"; a$
IF a$ = "a" OR a$ = "e" OR a$ = "i" OR a$ = "o" OR a$ = "u" THEN
PRINT "The entered character is vowel";
ELSE
PRINT "The entered character is consonant";
END IF
END

What is fragmentation?

As the uses of computers going on, there will be the process of adding new files, removing or deleting files occurs frequently. And this will cause some files to be unmanaged, i.e. the parts of some files may be scattered over different locations of the disk. These scattered parts of the same file over different location on the disk is said as fragmentation.

Fragmentation causes the slow access of disk, files and degrades the overall performance of the disk.

What is Scandisk?

The process of maintaining the disk files and folders using a kind of utility software by checking files, folders, bad sectors, lost clusters, lost chains and other errors of the specific disk is named as scandisk.

What is Internet Telephony?

Internet Telephony is a system that allows the users to make telephone call or voice call from one location to another location using the service of internet.

As advancement in technology, it is not only the way to use telephone to have communication, we can have further cheap and reliable way of communication than telephone. And internet telephony is one of them.

What is E-Commerce?

The process of performing business activities online through the service of internet is e-commerce.

It includes activities like buying and selling of products, transferring fund from one location to another, accessing business information through internet, booking tickets online etc.

What is ISP?

ISP is Internet Service Provider. It is an organization that provides the services of internet to the users. Connection to the internet is possible only through ISP.

What is Intranet and Extranet?

Intranet: Intranet is a computer network maintained privately and that can be only accessed by the authorized persons of the organization that own the network.
An intranset is based on the protocol TCP/IP.

Extanet: Extranet is a private network that uses the internet protocols network connectivity. Extranet can be viewed as part of a company's intranet that is extended to users outside the company, usually via the internet.

Remove Skype History

When multiple users runs the same computer for skype communication, there will be stored the login name of the users. Want to remove them?

How to remove user names in Skype history?
I want to delete my login history.
How to delete my account history?
How to remove user names from the log in screen?
How to remove usernames in the sing-in window?

When someone login to skype, it stores the username on its skype name text box. If multiple users do login on the same PC, then all the login data/history will be saved on it. So when other users try to login, all the login data is displayed. But there is no handy tool to remove the history. This can be an easy way to remove the history.

Here is the trick.

Click on the start button.
Click on run. (If run command is not on the list, hold on the window key and press r)
Type this '%appdata%\skype' on the run box.
Click ok.
A window will appear.
Here, delete the folder with the name you don't want to appear on the history.
Open skype and check. (the history will be removed).

How To Hide/Show Ribbon Bar In MS-Excel/Word/Access/Powerpoint?

The Ribbon as a part of the Microsoft Office Fluent user interface, is designed to help user quickly find the commands that they need to complete a task. Commands are organized in logical groups that are collected together under tabs. Each tab relates to a type of activity, such as writing or laying out a page. To reduce screen clutter, some tabs are shown only when they are needed. When the Ribbon is minimized, only the tabs are visible.

There is no way to delete or replace the Ribbon with the toolbars and menus from the earlier versions of Microsoft Office. However, user can minimize the Ribbon to make more space available on your screen.

How to Hide the ribbon?

To minimize the Ribbon, simply right click on any place of the Ribbon. A menu pop-up and check (click) the minimize the ribbon. The ribbon will be minimized.

How to Restore/Show the ribbon?

Now, if needs to restore or show the ribbon, simply right click on the menu bar or home button and click the minimize the ribbon to remove the check mark. The ribbon will be visible.

What is EPUB File and How to Open It?

EPUB is short for Electronic PUBlication. It is a free and open e-book standard by the International Digital Publishing Forum (IDPF). Files have the extension .epub.

A file with the EPUB file extension is an Open Publication Structure eBook file.

How To Open an EPub File?

An EPUB file can be opened using some of the following methods.

There are many popular viewers for EPUB such as,

FBReader
Adobe Digital Editions (Download)
Calibre (Download)
Aldiko
Booki.sh
BlueFire Reader
Books
MegaReader

It can also be opened inside the Firefox using the EPUBReader, a free add-on that lets to read the contents of any ePub book.

Determine The System Running (32 bit OS or 64 bit OS)

32 bit OS and 64 bit OS are two categories of operating software. So, there is also different version of software (32 bit and 64 bit) for the 32 bit and 64 bit OS.

So, it should be determined which OS is running on the system before installing the software.

Check the running OS (Click Here)

Boot Windows From USB

Booting a computer from CD/DVD is sometime problematic. There may be the several problems like CD scratches, CD drive problem etc. So, it may be good choice to use USB boot option to boot the computer.

To boot from USB, some steps to be followed before making the USB bootable.

Have the ISO image file or problem free CD of windows.
Have a USB drive of minimum of the capacity that can store the entire boot files.
After these, have the software to prepare bootable USB. If don't have can be downloaded. (Click here to download)
Install the software.
Insert the USB disk on the USB port.
Run the software.
On the first step (i.e. Choose ISO file), Click Browse to locate the ISO file.
After locating the ISO file, Click Next.
On step Two (i.e., Choose Media Type.), select USB device.
On step Three (i.e, Insert USB device), choose the appropriate USB device.
Finally click Begin Copying.
It will take several minutes to copy the files (depending on the system).
After completing the copy, click start over.
Finally the USB is ready as bootable disk.
Now configure the BIOS to boot from the USB.

For Windows XP users
The following applications must be installed prior to installing the tool:

Microsoft .NET Framework 2.0 must be installed. It can be downloaded.

(Click here to download)

Microsoft Image Mastering API v2 must be installed. It can be downloaded.

(Click here to download)

Check Your Current Location

While surfing the internet one may want to know the location from where he is surfing, And what is the IP address. Visitors/Internet Users may need to know their IP address for many reasons including gaming, tech support, remote desktop connection, proxy detection, anonymity, to see if their address has changed, etc. This helps to know him further information regarding the geolocations, etc.

Some free internet sites provides free services to know these information.

For More Details (Click Here)

CTRL+ C - Copy
CTRL+X - Cut
CTRL+V - Paste
CTRL+Z - Undo
CTRL+B - Make text bold
CTRL+I - Make text Italic
CTRL+U - Make text underlined
DELETE - Delete
SHIFT+DELETE - Delete the selected item permanently without placing the item in the Recycle Bin
CTRL while dragging an item - Copy the selected item
CTRL+SHIFT while dragging an item - Create a shortcut to the selected item
F2 key - Rename the selected item
CTRL+RIGHT ARROW - Move the insertion point to the beginning of the next word
CTRL+LEFT ARROW - Move the insertion point to the beginning of the previous word
CTRL+DOWN ARROW - Move the insertion point to the beginning of the next paragraph
CTRL+UP ARROW - Move the insertion point to the beginning of the previous paragraph
CTRL+SHIFT with any of the arrow keys - Highlight a block of text
SHIFT with any of the arrow keys - Select more than one item in a window or on the desktop, or select text in a document
CTRL+A - Select all
F3 key - Search for a file or a folder
ALT+ENTER - View the properties for the selected item
ALT+F4 - Close the active item, or quit the active program
ALT+ENTER - Display the properties of the selected object
ALT+SPACEBAR - Open the shortcut menu for the active window
CTRL+F4 - Close the active document in programs that enable you to have multiple documents open simultaneously
ALT+TAB - Switch between the open items
ALT+ESC - Cycle through items in the order that they had been opened
F6 key - Cycle through the screen elements in a window or on the desktop
F4 key - Display the Address bar list in My Computer or Windows Explorer
SHIFT+F10 - Display the shortcut menu for the selected item
ALT+SPACEBAR - Display the System menu for the active window
CTRL+ESC - Display the Start menu
ALT+Underlined letter in a menu name - Display the corresponding menu
Underlined letter in a command name on an open menu - Perform the corresponding command
F10 key - Activate the menu bar in the active program
RIGHT ARROW - Open the next menu to the right, or open a submenu
LEFT ARROW - Open the next menu to the left, or close a submenu
F5 key - Update the active window
BACKSPACE -View the folder one level up in My Computer or Windows Explorer
ESC - Cancel the current task
SHIFT when you insert a CD-ROM into the CD-ROM drive - Prevent the CD-ROM from automatically playing
CTRL+SHIFT+ESC - Open Task Manager

Dialog Box Keyboard Shortcuts

CTRL+TAB - Move forward through the tabs
CTRL+SHIFT+TAB - Move backward through the tabs
TAB - Move forward through the options
SHIFT+TAB - Move backward through the options
ALT+Underlined letter - Perform the corresponding command or select the corresponding option
ENTER - Perform the command for the active option or button
SPACEBAR - Select or clear the check box if the active option is a check box
Arrow keys - Select a button if the active option is a group of option buttons
F1 key - Display Help
F4 key - Display the items in the active list
F7 - Spelling and Grammar
BACKSPACE - Open a folder one level up if a folder is selected in the Save As or Open dialog box

Microsoft natural keyboard shortcuts

Windows Logo - Display or hide the Start menu
Windows Logo+BREAK - Display the System Properties dialog box
Windows Logo+D - Display the desktop
Windows Logo+M - Minimize all of the windows
Windows Logo+SHIFT+M - Restore the minimized windows
Windows Logo+E - Open My Computer
Windows Logo+F - Search for a file or a folder
CTRL+Windows Logo+F - Search for computers
Windows Logo+F1 - Display Windows Help
Windows Logo+ L - Lock the keyboard
Windows Logo+R - Open the Run dialog box
Windows Logo+U - Open Utility Manager

Windows Explorer keyboard shortcuts

END - Display the bottom of the active window
HOME - Display the top of the active window
NUM LOCK+Asterisk sign (*) - Display all of the subfolders that are under the selected folder
NUM LOCK+Plus sign (+) - Display the contents of the selected folder
NUM LOCK+Minus sign (-) - Collapse the selected folder
LEFT ARROW - Collapse the current selection if it is expanded, or select the parent folder
RIGHT ARROW - Display the current selection if it is collapsed, or select the first subfolder
Shortcut keys for Character Map
After double-click a character on the grid of characters, you can move through the grid by using the keyboard shortcuts:
RIGHT ARROW - Move to the right or to the beginning of the next line
LEFT ARROW - Move to the left or to the end of the previous line
UP ARROW - Move up one row
DOWN ARROW - Move down one row
PAGE UP - Move up one screen at a time
PAGE DOWN - Move down one screen at a time
HOME - Move to the beginning of the line
END - Move to the end of the line
CTRL+HOME - Move to the first character
CTRL+END - Move to the last character
SPACEBAR -Switch between Enlarged and Normal mode when a character is selected

Full Form Starting From Z

ZB - Zettabyte

Page 1	Page 2	Page 3	Page 4	Page 5
Page 6	Page 7	Page 8	Page 9	Page 10
Page 11	Page 12	Page 13	Page 14	Page 15
Page 16	Page 17	Page 18	Page 19	Page 20
Page 21	Page 22	Page 23	Page 24	Page 25
Page 26	Page 27	Page 28	Page 29	Page 30
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