class 4 assignment solution 31 aug

CHAPTER-1
COMPUTER FUNDAMENTALS
Q1.Fill in the blanks:1.SecondaryMemory is called as external Memory.
2. The full form of CPU is Central Processing Unit.
3.ArithmeticLogicUnit of CPU is used to perform mathematical operations.
4.CPU is an important part of the computer.
5. 1 byte is equal to eightbits.
6.Motherboardis the main circuit board of the computer where microprocessor is plugged.
7. The second generation computers usestransistors.
8. Napier bones uses strips of ivory bones.
9. Fifthgeneration computers uses Artificial Intelligence technique.
10. Difference Enginewas developed by Charles Babbage in 1822.
Q2. Expand the Following:
1. MB
Megabyte
2. ROM
Read Only memory
3. CU
Control Unit
4. GB
Gigabyte
5. VLSI
Very large Scale Integration
6. TB
Terabyte
7. GB
Gigabyte
8. ALU
Arithmetic Logic Unit
Q3. How many bits and bytes are required to store these words:1. SCHOOL
= ______48________bits ________6______bytes
2. GREETINGS =________72______ bits ________9______ bytes
3. INDIA
= _______40_______bits ________5______bytes
4. COMPUTERS
= _________72_____ bits ________9______ bytes
5. WELCOME
= _________56_____bits ________7______bytes
Q4.From the picture given below mention what type of technology is used in different generations.
Second Generation
First Generation
Transistors
Vacuum tubes
Fifth Generation
Third Generation
Artificial Intelligence
Integrated Circuits
Fourth Generation
VLSI
Q5. Define :a) Computer Memory- Computer Memory is the storage area in computer system were all the data
and instructions are stored.
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b) Motherboard –Motherboard is the main circuit board of the computer where the microprocessor,
memory card, and other cards are plugged.
c) Primary Memory-Primary memory also known as the main memory is the memory that stores data
and instructions for processing.
d) Secondary memory-Secondary memory also known as the external memory is the memory that has
large storage capacity and can store data permanently.
Q6. . What are the three units of a microprocessor?
The three units of a microprocessor are :a) Control Unit
b) Arithmetic Logic Unit
c) Memory Unit
Q6. Differentiate between RAM and ROM
RAM
ROM
1. RAM stands for Random Access Memory,and
1. ROM stands for Read Only Memory and stores
stores the data and programs that are currently
the instructions for starting the computer
being used by the computer.
system.
Q7. Complete the following block diagram:-
COMPUTER MEMORY
.
SECONDARY MEMORY
PRIMARY MEMORY
RAM
ROM
HARD
DISK
3
CD
DVD
PEN
DRIVE
CHAPTER-4
MULTIMEDIA
Q1. Fill in the blanks :a) Text is the Primary component of Multimedia.
b) Animation component is used to display a series of pictures one after another.
c) Images component is used to explain the concepts through charts.
d) Toy Storywas the first animated film by Disney.
e) Windows media Player software is used to run a video file.
f) Multimedia is a combination of text, images , animation, and sound.
g) The term multimedia is made up of two words: Multi and Media
h) Media means the way through which we can convey information.
Q2. Write True or False
1. Microsoft Encarta is an example of an educational CD. True
2. Video do not play role in multimedia.False
3. Toy Story ,Batman is an example of Multimedia Movies. True
4. Freecell and Purble Place are the examples of Multimedia games. True
5. The multimedia CD needs to be installed on a computer before it can be used. True
6. Multimedia is used in movies to add special effects. True
7. Multimedia can increase the impact of information. True
Q3. Answer the following Questions
I.
Define MultimediaMultimedia is a combination of media such as text, Video, Animation, Sound and
Image which increase the impact of information.
II.
How is multimedia used in Business?
Multimedia is used in business for:a. Interactive training
b. Videoconferencing
III.
Name five components of multimedia
The five components of multimedia are Text, Video, Animation, Sound and Image
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IV.
What is Multimedia kit and what are its main components?
Multimedia kit is a kit which should be installed in the computer before making use of multimedia.Its
main components are :- CD – ROM drive, sound card, Speakers, Microphone, Joystick, Colour
Printer and a scanner.
V.
What is Virtual Reality?
Virtual reality is an artificial environment created with computer hardware and
software and presented in such a way that it appears real.
Q4. Write one use of multimedia in the given fields –
Area
Use of Multimedia
Multimedia at Home
For entertainment
Multimedia in Education
For teaching in a creative manner.
Multimedia in Business
For interactive training and Videoconferencing
Multimedia in Advertising
For advertising and marketing products.
Multimedia in Movies
To create special effects.
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CHAPTER- 5
MORE ON LOGO
Q1. Fill in the blanks:a) LT primitive is used to move the turtle towards left side.
b) TIME primitive is used to display current day, date and time.
c) SUM primitive is used to add two numbers.
d) SHOWTURTLEprimitive is used to make the turtle reappear on the screen.
e) SETPC primitive is used to change the colour or turtle pen
f) CT primitive is used to clear all the text present in the Recall List Box
g) CS primitive is used to clear the graphics drawn on the graphics window
h) PRINT primitive is used to write any number ,word or sentence.
i) The turtle’s pen can be put into two different modes, which are PENUPandPENDOWN.
Q2.Write True or False-
a) Once the turtle is hidden, it cannot reappear on the monitor. F
b) The full form of LOGO is Language of Graphics Oriented. T
c) You can draw a circle using repeat command. T
d) The Setpc is used to make the turtle work as an eraser. F
e) REPEAT is a LOGO Command. T
Q3. Find the errors and write the correct primitives
1. PPT 30
PPT
FD 30
2. HT 40
HT
3. Repeat [PR “Hello”]
REPEAT 3 [PR [HELLO]]
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4. [ fd 60 rt 72]
FD 60 RT 72
5. PU 40
PU
FD 40
Q4. Write the LOGO Commands to draw these shapes
a) Circle using Repeat command
b) Semi - Circle using Repeat command
REPEAT 360 [FD 1 RT 1]
REPEAT 180 [FD 1 RT 1]
Q5. Answer the following questions :A. What is difference between PENUP and PENDOWN Command?
PENUP
PENDOWN
1. The PU primitive is used to set the
Pen up.
1. The PD primitive is used after PU
primitive to set the Pen down.
2.After giving this primitive the turtle
starts drawing again.
2. After giving this primitive the turtle
will not draw anything.
B. What is difference between Pen Erase and Pen paint ?
PENERASE
PENPAINT
The PE primitive is used to make the turtle
work as an eraser.
The PPT primitive is used after PU or PE
primitive so that the turtle starts drawing
again.
C. What is the use of Repeat Command? Explain with example .
Repeat command is used to repeat a command number of times again and again
until the desired result is obtained.
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Eg. To draw a square we use following commands- REPEAT 4 [FD 100 RT 90]
D. Explain the term looping.
The term looping means performing the same work again and again until the
desired result is obtained.
E. Differentiate between Hide turtle and Show turtle.
Hide turtle
Show turtle
The HT primitive is used to make the The ST primitive is used after HT
turtle disappear from the screen.
primitive to make the turtle reappear
on the monitor.
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CHAPTER-8
INTRODUCTION TO MICROSOFT POWERPOINT
Q1. Fill in the blanks:a) Microsoft Powerpoint is a presentationsoftware.
b) A powerpoint presentation is made up of slides.
c) F5 key is used to start a slide show.
d) A View is a way in which one can see and work with a presentation.
e) The Comments pane lets you add special comments to the presentation.
f) The basic method of creating a presentation is to use a blank presentation.
g) Text is the most important component in any slide.
h) Ctrl +Nis the shortcut for creating a new presentation.
i) Bullets and Numbering option is present in Home tab.
j) Ctrl +M is the shortcut for inserting a new slide.
Q2. Write True or False1. Place holders are the boxes with dotted outlines which appear when you create a new slide.T
2. Installed themes provides well- defined outlines which appear when you create a new slide.F
3. The slide show view allows you to view the presentation on screen.T
4. The status bar is located at the top of the Window.F
5. The Notes pane lets you add speaker notes to your presentation.T
6. The Ribbon is located just above the title bar.T
Q3. Write the keyboard Shorctuts .
ACTION
Creates a New Presentation
SHORTCUT KEY
Ctrl +N
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Opens a Presentation
Ctrl + O
Saves a Prsentation
Ctrl + S
Inserts a New slide
Ctrl + M
Ctrl + W
Closing a presentation
Q4. Label the parts of Microsoft PowerPoint window
Ribbon display
button
Title bar
File tab
Slides
pane
Zoom
Work Area
View
buttons
Status bar
Q5. Define the following :a) Microsoft PowerPoint-
Microsoft Powerpoint is a presentation software that helps you
create attractive and effective presentations.
b) Presentation:-
Presentation is a computerised way of communicating ideas with the help
of text and pictures.
c) Slide:-
Slide is an individual page of a presentation.
Q6. Answer the following questions:a) What are the steps to open an existing presentation?
I.
Click the File tab and select the open option.
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II.
Click on the desired presentation from the list to open it.
Click the Open button.
III.
b) Complete the following steps to insert a new slide
i.
Click the Hometab.
ii.
Click the New slidebutton in the Slides group.
iii.
Selectthelayout from the list that appears.
A new slide with the selected layout is added just after the current slide.
c) Complete the following steps to save the presentation.
i.
Click the Filetab.
ii.
Click the Saveoption from the view that appears.
iii.
Click the computer option under the Save as.
iv.
Click the Browsebutton from the rightmost pane.
v.
Select the locationwhere you want to save the file.
vi.
Type the name of the filein the File nametext box.
vii.
Click the Savebutton.
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