THDC

Which of the following are the functions of an operating system?

• Allocated resources

• Monitors Activities

• Manages disks and files

• All the following answers

A menu-driven operating system is one which alloes you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image orient menus?

• Figure

• Icon

• Option

• Symbol

Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?

• CDROM

• Floppy disk

• Hard disk

• Magnetic tape

Output device used to produce high quality graphics in a variety of colors is called

• Scanner

• Printer

• Typewriter

• Plotter

…............... provides process and memory management services that allow two or more tasks to run simultaneously.

What is Unicode?

• Standard font

• Software

• Character encoding system

• Keyboard layout

Which of the following is a valid encoding format?

• UTF – 1

• UTF – 4

• UTF – 8

• UTF – A

Where does a computer add and compare data?

• Floppy disk

• CPU

• Memory

• Hard disk

he track on a disk which can be accessed without repositioning the R/W heads is

• Cylinder

• Surface

• Cluster

• Track

Which operation is not performed by computer?

• Controlling

• Inputting

• Understanding

• Processing