Dennis M Ritchie developed C language.

A hyperlink is a word, phrase or image that you can click on to jump to a new document or a new section within the current document.

F5 is used to go to a specific cell in MS Excel.

DOS (Disk operating system), is an operating system originally developed for IBM personal computers.

PPC Stands for "Pay Per Click" and is used in online advertising.

C is a high-level programming language used to create programs.

 ALU (Arithmetic and logic unit) is the part of CPU which is a digital circuit used to perform arithmetic and logic operations.

Skype with 37.7% market share is the most widely used IM application.

var is used to declare variables in JavaScript. It’s not used in C.

CISC (Complex Instruction Set Computing) is a type of microprocessor design. The CISC architecture contains a large set of computer instructions that range from very simple to very complex and specialised.

Java is a high-level programming language originally developed by Sun Microsystems and released in 1995.

%d is used to print integers.

Unmount media is the safe method to remove pen drive.

IP addresses consist of four sets of numbers from 0 to 255, separated by three dots. 192.168.146.246 is a valid IP address.

Safari is developed by Apple Inc.

conio.h contains console input/output functions. conio.h is used to run clrscr().

192.168.1.1 is a class C IP address. Range of class C IP address is 192.0.0.0 to 223.255.255.255.

FACE is an attribute used with font tag.

A star topology is designed with each node connected directly to a central node. If the central node in the star network fails, the entire network is disabled.

Task bar is not a part of browser.  The task bar is the bar that spans the bottom of the screen and contains the Start button on the left side and the system tray on the right.

Triple Click is used to select a paragraph.

DMA (Direct Memory Access) is a method of transferring data from the computer's RAM to another part of the computer without processing it using the CPU.

A gutter margin helps to ensure that the text is not obscured by the binding.

The task bar is the bar that spans the bottom of the screen and contains the Start button on the left side and the system tray on the right. The task bar also includes the current time on the far right side and can hold shortcuts to programs directly to the right of the Start button. The task bar is always displayed on the screen and it's not a part of any window.

Shift + Delete is used to cut the text and can be used as an alternative for Ctrl + X.