Skip to main content

Explanation about Graphical user interface. (For 12th HSC student)

 What is GUI ?

• The interface which replace cryptic command by their graphical representation are called as graphical user interface.

• Ex. Windows operating system is GUI based operating system.

• ADVANTAGES :

• It is not necessary to remember the commands and is meaning .

• User can run several programs simultaneously.

• User can communicate and exchange data between program without transferring and copying the data .

• Easy to use.

Features of GUI

• Replacement of command with icon :;

• Command are group together in various levels of hierarchy and when the user select a group , further commands in that group are displayed .

• This allow user to select command using cursor and simply clicking on it .

• User can select the command and use the application without first having to know about the computer and it working .

• provide online help :

• It provide HELP about various features of the application .

• Help can assists the user in knowing everything about the application.

Essential components :

• Menu bar : appear at the top.

• Scroll bar : allow user to scroll the window.

• Dialogue boxes : used to display information or to get input ,

1) Modeless dialogue box. Continue without response

2)Modal dialogue box. Continue with response < br>

Labels:

Comments

Post a Comment

Popular posts from this blog

Free notes of all naming reactions .(handwritten notes jee, neet, mht-cet)

All naming reactions  (Handwritten notes.)                   organic chemistry naming reactions.
1 comment
Read more

partitioning (operatimg system ).

 WHAT IS PARTITIONING ? Certain operating system use partitioned memory management to allow multiprogramming . • Partitioning means dividing main memory into various sections.  • These section are called as partitions.  • There are two types of partitions: 1) fixed partition .    2) variable partition.   Fixed partition  .  • In this method partitions are fixed at the time of system generation . At this time , system manager has to declear partition time.  • Fixed partition are also called static partition . On declearing fixed partition , the operating system create partition description table.  • It reduces the uses the CPU utiliisation .  • It reduces the degree of multiprogramming. .    variable partition .     In variable partition number of partition and their size are variable  • They are not defined at the time of system generation .  • These partition are created by operating systems...
1 comment
Read more

Question bank of operating system CS.

  Question Bank Standard:- 12th Subject:- Computer Science (D9) Paper I March 2021 सूचना 1. फक्त शवद्यार्थ्यांना प्रश्नप्रकारांचा सराव करून देण्यासाठीच 2. सदर प्रश्नसंचातील प्रश्न बोर्डाच्या प्रश्नपशिके त येतीलच असे नाही याची नोंद घ्यावी. QUESTION BANK XII COMPUTER SCIENCE (D9) – PAPER I CHAPTER 1 – OPERATING SYSTEM MCQ – 1 Mark Q.No. Question Marking scheme 1. Operating system is a __________ i) hardware ii ) software iii) printer iv) input device 1 mark for correct alternative 2. ‘Open files’ is a system call provided under _________ of operating system. i) Information management ii) Process management iii) Memory management iv) GUI 1 mark for correct alternative 3. Program under execution is known as __________. i) File ii) Information iii) Data iv ) Process 1 mark for correct alternative 4. _______is a service of memory management of operating system. i) Copy a file ii) Suspend a Process iii) Allocate a chunk of memory iv) Open a directory 1 mark for correct alternative...
1 comment
Read more