1).
a.
-(2N-1-1) to 2N-1-1 : therefore when n=8 we get : -27-1 to 27 – => -127 to 127
-2N-1 to 2N-1-1 : therefore when n=8 we get : -27 to 27-1 => -128 to 127
-(2N-1-1) to 2N-1-1 : therefore when n=8 we get : -27-1 to 27-1 => -127 to 127
0 to 2N-1 : 0 to 255 (David & John, 2012)
V. For 976
|
Decimal |
/2 |
Remainder |
|
976 |
488 |
0 |
|
488 |
244 |
0 |
|
244 |
122 |
0 |
|
122 |
61 |
0 |
|
61 |
30 |
1 |
|
30 |
15 |
0 |
|
15 |
7 |
1 |
|
7 |
3 |
1 |
|
3 |
1 |
1 |
|
1 |
0 |
1 |
Produces -> 1111010000
For fraction part .6310
|
Decimal |
/2 |
Remainder |
|
6310 |
3155 |
0 |
|
3155 |
1577 |
1 |
|
1577 |
788 |
1 |
|
788 |
394 |
0 |
|
394 |
197 |
0 |
|
197 |
98 |
1 |
|
98 |
49 |
0 |
|
49 |
24 |
1 |
|
24 |
12 |
0 |
|
12 |
6 |
0 |
|
6 |
3 |
0 |
|
3 |
1 |
1 |
|
1 |
0 |
1 |
Produces -> .1100010100110
Conversion is : 111010000.1100010100110 (David & Sarah, 2013)
VI.
(10)(0100)(1011)
10 => 0010 => 2
0100 => 4
1011 => 11 => B
Conversion is 24B (William, Computer Organization and Architecture, 2015)
VII.
10011110 – 1 = 10011101
10011101 is flipped to 01100010
01100010(2)
(027 + 1×26 + 1×25 + 0×24 + 0×23 + 0×22 + 1×21 + 0×20)
= (64 + 32 + 2)
= 9810
100111102 => -9810 (Linda & Julia, 2014)
(2).
(CTI, Computer Organization and Architecture, Designing for Performance: Computer science, Computers, 2016)
b)
Assignment = A Blog = B Discussion Forum = C Quiz = D (William, 2013)
|
A B C D |
Y |
|
0 0 0 0 |
0 |
|
0 0 0 1 |
0 |
|
0 0 1 0 |
0 |
|
0 0 1 1 |
0 |
|
0 1 0 0 |
0 |
|
0 1 0 1 |
0 |
|
0 1 1 0 |
0 |
|
0 1 1 1 |
0 |
|
1 0 0 0 |
0 |
|
1 0 0 1 |
0 |
|
1 0 1 0 |
0 |
|
1 0 1 1 |
1 |
|
1 1 0 0 |
0 |
|
1 1 0 1 |
1 |
|
1 1 1 0 |
1 |
|
1 1 1 1 |
1 |
Computer Architecture refers to those attributes of a system that have a direct impact on the logical execution of a program. Examples: o the instruction set o the number of bits used to represent various data types o I/O mechanisms o memory addressing techniques ? Computer Organization refers to the operational units and their interconnections that realize the architectural specifications. Examples are things that are transparent to the programmer: o control signals o interfaces between computer and peripherals o the memory technology being used ? So, for example, the fact that a multiply instruction is available is a computer architecture issue. How that multiply is implemented is a computer organization issue. • Architecture is those attributes visible to the programmer o Instruction set, number of bits used for data representation, I/O mechanisms, addressing techniques. o e.g. Is there a multiply instruction? • Organization is how features are implemented o Control signals, interfaces, memory technology. o e.g. Is there a hardware multiply unit or is it done by repeated addition? • All Intel x86 family share the same basic architecture • The IBM System/370 family share the same basic architecture • This gives code compatibility o At least backwards • Organization differs between different versions
References:
CTI, R. (2016). Computer Organization and Architecture, Designing for Performance: Computer science, Computers. Adelaide: Cram101.
CTI, R. (206). The Essentials Of Computer Organization And Architecture: Computer science, Computers. Bunbury: Cram101.
David, A., & John, L. (2012). Computer Organization and Design: The Hardware/software Interface. Wollongong: Elsevier.
David, M., & Sarah, L. (2013). Digital Design and Computer Architecture. Sydney: Elsevier.
GHOSH. (2011). COMP ORG & ARCHITECTURE – WBUT JUNE 2011. Perth: Tata McGraw-Hill Education.
Linda, N., & Julia, L. (2014). The Essentials of Computer Organization and Architecture. Adelaide: Jones & Bartlett Publishers.
William, S. (2013). Computer Organization and Architecture: Designing for Performance. Bundaberg: Pearson.
William, S. (2015). Computer Organization and Architecture. Melbourne: Pearson Education.
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