Information Technology MCQ

 Machine language sometimes referred to as machine code or object code because it is the language which is only understood by the computer as a computer itself is just a machine or an electronic device.

Assembly language is a low level programming language that use mnemonics to interact with computer system.

DTP stands for Desktop Publishing.

 Application software is a software which carries out a specific task like Word processor, spreadsheet, DBMS etc. Among the given options, operating system is related to system software.

 Application software is a computer software which is designed to help the user to perform some specific or personal tasks.

Railway reservation system is an example of application software whereas, rest all are software utilities.

Screensavers fill the computer screen with moving images or patterns, when the computer is not in use.

 Disk Cleaner helps to free spaces. So that, the free spaces can be utilised to store another file or folder.

 Utility programs includes virus scanning, backup, disk defragmenter software.

 Both compiler and interpreter are language processors that converts high level language into machine language.

 Interpreter is a language processor, which converts the high level language program into machine language by using line-by-line mechanism.

 Assembler is used to convert the program written in assembly language into machine language because it is a language processor that converts the user defined language into a form which can be easily understood by the computer.

Operating system takes control of computer system on startup.

Operating system is a system software that acts as an interface between the user and the hardware.

 Software is a set of instructions that tells the hardware how to perform the tasks.