A positive decimal integer can be converted to octal through successive division by 8 till the quotient becomes zero and sequential collection of remainder on last come first basis (i.e. bottom to top).Convert (427)10 into .....

A positive decimal integer can be converted to binary through successive division by 2 till the quotient becomes zero and sequential collection of remainder on last come first basis (i.e. bottom to top).Convert (349)10 into .....

A number system that uses ten different digits to represent different values is known as decimal number system. The base of decimal number system is 10 because it consist ten digits from 0 to 9. Decimal number can be expressed by using powers of .....

A number system as the act of symbols used to express quantities as the basis for counting, comparing amounts, performing calculations, and representing value. The different number system use different digits or symbols to represent numbers. The .....

Disk Cleanup is another tool that helps to keep Windows XP operating as it should.It inspects your hard disk and looks for the files that can be safely .....

Instruction to use disk defragmenter are :Choose Start.-----All Programs------Accessories----------System Tools-----Disk Defragmenter.The Disk Defragmenter .....

Instruction run Disk CleanupChoose Start--------All Programs-------Accessories-------System Tools--------Disk cleanup.The Disk Cleanup window opens. Click the Disk Cleanup tab if it's not showing.Disk Cleanup lists several potential files that can .....

An instruction touse Disk Defragmenter are :Choose Start.-----All Programs------Accessories----------System Tools-----Disk Defragmenter.The Disk Defragmenter .....

The drive which is automatically selected for reading, writing or searching operation is called default .....

Recycle bin stores deleted files for folder temporarily. Deleted files can be restoring from Recycle bin. If we delete the file and folder from it, they are deleted permanently from the .....

My document is the default storage location of the files created in different application programs like MS-word, MS-Excel, MS-Access .....

A folder is also known as directory. It is table contents of disk. It contains sub folders, their size and modification date, .....

We have to follow following steps to open a program using icon:Place your mouse over the icon.Text appears identifying its name or contents.Then, double-click the .....

The left side of the Start menu lists programs, and the right side allows access to common Windows folders (My Documents, for example). It also provides access to Help and Support, Search, and .....

The basic items shown in a desktop are: start button, task bar and .....

Microsoft Window Operating systems are popular operating system for personal computers. They are Graphical User Interface. It makes hardware usable in computer and provides environment to work on software. MS Window 98, Windows XP, Windows 7 etc. .....

Windows exploreallows exploring the content of computer. It divides the window into tow vertical sections. The left section display list of drives and folders and the right section display folder and .....

DISKCOMP [drive:] [drive .....

The function of label is to create, change and delete volume label name of a .....

D:\>Edit .....

It copies the entire file having EXE as an extension to PALPA directory of C .....

It display all the files which having first character Q in files name and extension .....

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C:\>MD .....

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C:\BASIC>REN KTM.BAS AS .....

C:\RD .....

C:\MSDOS> type .....

C:\> .....

C:\> Time 8.30 .....

It is an instruction computer to perform specific task and get reliable output. There are two types of command in MS-DOS. They are:Internal Command External Command .....

C:\>Format .....

Internal commands are part of COMMAND. COM file of MS-DOS when a computer is started, such types of command are automatically loaded in computer's memory. Examples of internal commands are CLS, DIR, COPY, DEL REN, MD, CD, RD, etc. External commands .....

A file is a collection of related information stored in a disk with a unique name for its identification. The rules for file naming are: File name should not have more than eight characters. Blank spaces are not allowed while naming a .....

MS DOS is one of the most popularly used CUI operating system software in micro computers which was developed by Microsoft Corporation USA The features are:It is a single user operating system. MS DOS can be run in both hard disk and floppy disk. .....

Booting refers to starting up a computer. In other words, the process of loading the system files into the computer's memory is called booting. Computer can boot in two different ways: Cold Boot Warm .....

CUI operating system uses character (text) to communicate where as GUI operating system presents information in graphical form to .....

single-user operating system multi-user operating system 1. It allows a single user to perform just one task at a time. 1. It allows a multiple user to use programs simultaneously. 2. It does not support networking environment. 2. It supports .....

Basically, operating system is classified into two types:Single - user operating system Multi - user operating system .....

An operating system is an organized set of software program to manage the overall operation of computer. The three functions of an operating system are:To assist to execute application software.To control and co-ordinate hardware parts.To let the .....

The program stored in ROM Chip is known as firmware. It is a basic and permanent program written in Read Only Memory by the experts in order to provide the basic information about the computer system. .....

Dr. Herman Hollerith: Herman Hollerith was an American statistician invented Tabulating machine using punched cards for the counting purpose of mass data which was based on binary system. He was also the founder of IBM which was based on binary .....

Package software Tailor software i. They are generalized set of programs i. They are special set of programs. ii. They are developed by software compares. ii. They are developed by individual uses. iii. E.g. MS-WORD, MS-EXCEL etc. iii. E.g. .....

Touch screen is a direct entry input device which contains special sensors on it. When the user touches the object on screen it recognizes the touch and produces reaction accordingly. .....

Joystickis a small hand-held input device which is similar to gear lever of motor cars. This device is mainly used to play computer games with the help of control .....

Graphic digitizer is an input device which is also known as digitizing tablet or touch tablet which is pressure sensitive device mainly used in Computer Aided Design and graphics .....

Microphoneis an input device which is used to input the voice or sound into the computer. Microphone is very popular device nowadays also used for voice chatting over the internet & video .....

Touch padis touch sensitive pad used as an input device commonly used in laptop computers. This device works by sensing the user's finger movement and down ward .....

Track ball is an input device similar to mouse which contains one or more buttons and a ball. The ball is only the movable part of track ball which is used to move the cursor one the monitor of the .....

Optical Mark Reader is an input device which can recognize & count a pre-specified type of mark made by pencil or ball pen. It is mainly used for counting the (?) tick mark or shaded circles in the object type question .....