simple Cerra The table below shows the initial content of the 16 memory cells. The first column denotes the memory address and the second column shows the memory content in hexadecimal notation. nas beeri wril Ior in class. Cell Нех Binary Assembler Description 2f 1 6a 4f 3 21 4 71 41 6. a9 7 do 8. e0 6f 10 01 11 02 12 03 13 04 14 05 15 06 a) Convert the machine code from hexadecimal notation into binary notation.

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The following program has been written for the simple central processing unit introduced in class.
The table below shows the initial content of the 16 memory cells. The first column denotes the
memory address and the second column shows the memory content in hexadecimal notation.
Cell
Нех
Binary
Assembler
Description
2f
1
ба
2
4f
3
21
4
71
5
41
a9
7
do
e0
6f
10
01
11
02
12
03
13
04
14
05
15
06
a) Convert the machine code from hexadecimal notation into binary notation.
b) Write down the assembler code for the machine code. Add meaningful descriptions.
c) The program leaves a result in memory cell 15 when it halts. What is the value? Explain how
the program works.
d) What happens if the value stored in memory cell 9 is changed to 0x70 before execution starts?
Explain.
89
Transcribed Image Text:The following program has been written for the simple central processing unit introduced in class. The table below shows the initial content of the 16 memory cells. The first column denotes the memory address and the second column shows the memory content in hexadecimal notation. Cell Нех Binary Assembler Description 2f 1 ба 2 4f 3 21 4 71 5 41 a9 7 do e0 6f 10 01 11 02 12 03 13 04 14 05 15 06 a) Convert the machine code from hexadecimal notation into binary notation. b) Write down the assembler code for the machine code. Add meaningful descriptions. c) The program leaves a result in memory cell 15 when it halts. What is the value? Explain how the program works. d) What happens if the value stored in memory cell 9 is changed to 0x70 before execution starts? Explain. 89
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