Answer the following questions: a) Describe the difference between lossy and lossless compression. Give an example of each.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Question 6
Answer the following questions:
a) Describe the difference between lossy and lossless compression. Give an example of each.
b) Using ASCII encoding (table), what is the binary representation of the letters below (case sensitive).
E
0
1
2
3
4
5
6
7
SigMa
-5LOOP.
0
NUL SOH
DLE DC1
1
SP !
1
A
Q
a
q
0
@
P
2
STX
DC2
"1
2
B
R
b
r
3
ETX
DC3
#
3
C
S
с
S
4 5
EOT
DC4
$
4
D
T
d
t
ENQ
NAK
%
5
E
U
e
u
6
ACK
SYN
&
6
F
V
f
V
7
BEL
ETB
.
7
· 0.0 3
G
W
W
8 9
BS HT LF
CAN EM SUB
(
)
8
HX ≤ x
h
C
9
I
Y
i
y
NUNG
BCDE F
VT FF CR SO
SI
ESC FS GS RS
US
+
/
?
0
;
K
[
k
.
VLL-
1
< = >
MEM
.
M N
m
AZ CI
{I }
n
O
DEL
Transcribed Image Text:Question 6 Answer the following questions: a) Describe the difference between lossy and lossless compression. Give an example of each. b) Using ASCII encoding (table), what is the binary representation of the letters below (case sensitive). E 0 1 2 3 4 5 6 7 SigMa -5LOOP. 0 NUL SOH DLE DC1 1 SP ! 1 A Q a q 0 @ P 2 STX DC2 "1 2 B R b r 3 ETX DC3 # 3 C S с S 4 5 EOT DC4 $ 4 D T d t ENQ NAK % 5 E U e u 6 ACK SYN & 6 F V f V 7 BEL ETB . 7 · 0.0 3 G W W 8 9 BS HT LF CAN EM SUB ( ) 8 HX ≤ x h C 9 I Y i y NUNG BCDE F VT FF CR SO SI ESC FS GS RS US + / ? 0 ; K [ k . VLL- 1 < = > MEM . M N m AZ CI {I } n O DEL
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