Q.1 Tick the correct answer. 1. ___________ acts as an interface between the user and the hardware. (a) Operating System (b)Central Processing Unit (c)Kernel (d)Control Unit 2. __________ is the heart of an Operating System. (a) Kernel (b) Shell (c) Solaris (d) DOS 3.___________ is the property of Multitasking Operating System. (a) Resource sharing among multiple users (b) Multiple Processorors (c) Simultaneous execution of multiple jobs (d)Quickly respond to user's request 4. ____________ is a Linux based mobile operating system developed by Google. (a) Blackberry (b)Android (c)iPhone (d)Windows 5.The first version of the Windows Operating System named Windows 95 was released in ____________ (a) 1980 (b) 1991 (c) 1995 (d) 1992 6. A window called __________ is used to view and manage the document, music, picture and other files in the various folders across the different storage devices in the computer system, (a)File Explorer (b)Personalisation
All computer course for class 9th to 12th with proper practical and theory .........