Page 24 - Computer Class 08

8 Pressing the Ctrl, Alt and Delete keys 8 Shutting it off from the power
simultaneously or initialing a reset source or unplugging the supply

command will reboot the system without resets the system.
hampering power. 8 It runs self-diagnosis tests thereby
8 It forbids a full system diagnosis thereby reseting the hardware and memory.
reducing the reboot time.

8 The operating system is the most important type of system software in a computer system.

8 The system that is used to interact with a computer is known as the user interface.
8 Windows 10 is the latest verison of GUI based on operating system.

8 Calc is used to do calculations, store data, prepare chart etc.

8 There are two types of booting– warm booting and cold booting.

Objective Type Questions

A. Tick ( ) the correct one.3

1. How many types of user interfaces are there?
a) One b) Two

c) Three d) Four

2. Which one is the not the task of an operating system?

a) Handles inputs and outputs b) Manages files and folders
c) Manages system security d) None of them

3. Windows 10 was launched in which year?

a) 2010 b) 2012

c) 2014 d) 2015
4. Which operating system supports more than one user to process a job at a same

fraction of time?
a) Multi-user b) Multithreading

c) Real-time d) Batch processing

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