Homework 1-Zhenzhen Liu - Stevens Institute Of Technology CS 550
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CS 550
Instelling
CS 550
Student name: Zhenzhen Liu
HOMEWORK 1 The due date to submit – September 11, 16
Answer: References:
1. Why the Von
Neumann model is
essential in
understanding
computers ?
(Chapter 1)
Firstly, in the Von Neumann model, the
CPU was to include ALU, memory, and
CU components. The control u...
homework 1 zhenzhen liu stevens institute of technology cs 550
student name zhenzhen liu homework 1 the due date to submit – september 11
16 answer references 1 why the von neumann model is es
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Student name: Zhenzhen Liu
HOMEWORK 1 The due date to submit – September 11, 16
Answer: References:
1. Why the Von Firstly, in the Von Neumann model, the Irv Englander. (n.d.). The
CPU was to include ALU, memory, and Architecture of
Neumann model is
CU components. The control unit read Computer Hardware,
essential in instructions from memory and executed Systems Software, &
understanding them. A method of handling input/output Networking: An
computers ? through the control unit was also Information Technology
developed. This model contained every Approach(5th ed.). John
(Chapter 1)
major feature which is essential to modern Wiley & Sons, Inc.
computer architecture and modern Page 27
computer architecture is still referred to as
von Neumann architecture.
Besides, Von Neumann made two main
improvements. One is that the program
instructions and data are both stored in
memory while being processed which is
known as the stored program concept. The
other is binary processing of data which
simplifies the design of computer.
The above contents are the reasons that the
Von Neumann model is essential in
understanding computers.
2. Numbers: Please 1. 100 (10 base) Irv Englander. (n.d.). The
Binary:1100100 Architecture of
write TWO examples
Octal: 144 Computer Hardware,
representing the Systems Software, &
Hexadecimal：0x64
numerical data in Networking: An
any possible base, 2. 255(10 base) Information Technology
Binary:11111111 Approach(5th ed.). John
including binary,
Octal:377 Wiley & Sons, Inc.
hexadecimal and Page 87,166
Hexadecimal: 0xff
octal, as well as
floating point 3. Floating point number: 25.75(base
number notations 10)；
Binary: 11001.11;
Octal: 31.6;
Hexadecimal:19.C;
, Student name: Zhenzhen Liu
HOMEWORK 1 The due date to submit – September 11, 16
3. Data - Please Still images(bitmap): Irv Englander. (n.d.). The
PNG and JPEG； Architecture of
describe any TWO
Computer Hardware,
examples Systems Software, &
Still images(object):
representing different Networking: An
SVG and PostScript； Information Technology
formats of data used
Approach(5th ed.). John
for still images Video: Wiley & Sons, Inc.
(bitmap versus object Quicktime and WMV； Page 103
images), video, audio
and alphanumerical Audio:
data. (Ch 4 p. MP3 and WMA;
100-135) Alphanumerical data:
Unicode and ASCII;
4. LMC - Explain the The LMC performs work by following Irv Englander. (n.d.). The
simple instructions based on three-digit Architecture of
inner workings of the
numbers. The first digit specifies an Computer Hardware,
Little Man Computer operation and the last two digits are used Systems Software, &
and its relation with for various purposes, but most commonly Networking: An
real life computers, to point to an address. The instructions Information Technology
provide operations that can move data Approach(5th ed.). John
including the basics
between the mail slots and the calculator, Wiley & Sons, Inc.
of assembly move data between the calculator and the Page 179-190
instructions. (A input and output baskets, perform addition
three-four sentences and subtraction, and allow the Little Man Little man computer.
to stop working. There are also instructions (n.d.). Retrieved
answer will suffice)
that cause the Little Man to change the September 9, 2016, from
Ch 6—p.178-193 order in which instructions are executed, Wikipedia: https://
either unconditionally or based on the en.wikipedia.org/wiki/
value in the calculator. Little_man_computer#E
xecution_cycle
The Little Man Computer (LMC) is an
instructional model of a computer, created
by Dr. Stuart Madnick in 1965. It models a
simple von Neumann architecture
computer which has all of the basic
features of a modern computer. But the real
life computers are more complex and have
more variant types.
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