Computer Questions

IP addresses are converted to a domain name by DNS - Domain Name System.

Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).

CTRL + B is computer keyboard shortcut bolds selected text.

CTRL + I is used for making the selected text italic

SHIFT + CTRL + S used for SAVE AS option for any document or file.

A Unicode character requires between one and four bytes of storage, depending on the encoding format used. Hence, a character requires one byte of storage.

The memory which can be retained even the power is off is called as Permanent memory or Persistent memory. Computer's hard drive is an example of permanent memory and computer's cache or RAM are examples of temporary memory.

Assembler is not the hardware among the given options. Hardware is what is made of IC's and circuits.

An analog computer or analogue computer is a type of computer that uses the continuously changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.