/ Assignment No. 02 (Graded)
Semester:Spring 2014
Computer Proficiency Licence-CS001

QuestioNo 1: Marks 10

a)Microsoft Windows 7 is a popular operating system that has been developed by Microsoft. Microsoft is a pioneer in the field of software development and has developed many other operating systems such as Windows XP, Windows 98 etc. Windows 7 is popular for its interactive environment and easy installation. Below is given an environment of Windows7, different components are labeled with numbers. You are required to identify and write the name of each labeled component.

Answer: 1. Start menu

2. Task Bar

3. Status Bar

4. Tool Bar

5. Icons

b) Write down the shortcut keys for performing the following tasks with keyboard.

  1. Selecting all icons on desktop

Answer: CTRL+A, F3

  1. Switching between two windows

Answer: ALT+ESC

  1. Show/Hide desktop

Answer: ALT+TAB

  1. To search for files and folders

Answer: F3

  1. To open windows help

Answer: F1

Question No 2: Marks 5

Previously Floppy disk was used as secondary storage device, With the advent of USB flash drive, the use of floppy disk is almost finished and in very few years USB flash drive has become one of the most popular secondary storage devices. You are required to mention at least 5 basic differences between Floppy disk and USB/flash drive in the table given below.

S. No. / Floppy Disk / USB Flash Drive
1 / Disk drives for floppy disks are called floppy drives. / USB flash drives sometimes called USB flash memory drives, thumb drives, or jump drives consist of flash memory media integrated into a self contained unit that connects to a computer or other device via a standard USB port and is powered via USB port.
2 / Floppy disks are slower to access than hard disks and have less storage capacity, but they are much less expensive. / USB flash drives are designed to be very small and portable.
3 / Floppy disk at the time was the only option of removable storage. / USB flash drives are available in a range of sizes, colors and appearances – including those designed to be attached to backpacks or worn around the neck, those built into necklaces, wristbands or wristwatches, those thin enough to fit easily into a wallet and those are made into custom shapes.
4 / One major problem with the disk was it was flimsy and easily destroyed. / The capacity of most USB flash drive today ranges from 1 GB to 64 GB.
5 / If you touched the exposed area your data could be completely destroyed. / To Read or write, you just need to plug it into a USB port.