Business Driven Information Systems
6th Edition
ISBN: 9781260004717
Author: Paige Baltzan
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 2, Problem 17RQ
To determine
To Explain:
How finding different ways to travel the same road relates to automation, streamlining, and business process re-engineering.
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QUESTION [3]
A no-load and short-circuit test should be conducted on a 220V/110V, 280VA transformer.
a. Draw the circuit diagram for the no-load test and include all measurements that should
be made. Also write down the maximum voltage that you should apply to the primary
winding and estimate the current drawn from the supply.
(5)
b. Draw a circuit diagram for the short-circuit test and include all measurements that should
be made. Also write down the maximum current that should be allowed to flow in the
primary winding and estimated the primary voltage that will cause this value of the
current to flow.
(5)
%rsp
Stack
Gadget n code
C3
Gadget 2 code
C3
Gadget 1 code
C3
Figure 2: Setting up sequence of gadgets for execution. Byte value 0xc3 encodes the ret instruction.
• Recall that a string is represented in C as a sequence of bytes followed by a byte with value 0. Type
"man ascii" on any Linux machine to see the byte representations of the characters you need.
• Your injected code should set register %rdi to the address of this string.
• When functions hexmatch and strncmp are called, they push data onto the stack, overwriting
portions of memory that held the buffer used by getbuf. As a result, you will need to be careful
where you place the string representation of your cookie.
5 Part II: Return-Oriented Programming
Performing code-injection attacks on program RTARGET is much more difficult than it is for CTARGET,
because it uses two techniques to thwart such attacks:
• It uses randomization so that the stack positions differ from one run to another. This makes it impos-
sible to…
4. Steam flows steadily through a turbine at a rate of 47,000 lbm/h, entering at 1000 psia
and 800°F and leaving at 6 psia as saturated vapor. If the power generated by the
turbine is 3.7 MW, determine the rate of heat loss from the steam.
Chapter 2 Solutions
Business Driven Information Systems
Ch. 2 - Prob. 1OCQCh. 2 - Prob. 2OCQCh. 2 - Prob. 3OCQCh. 2 - Prob. 4OCQCh. 2 - Prob. 5OCQCh. 2 - Prob. 6OCQCh. 2 - Prob. 1RQCh. 2 - Prob. 2RQCh. 2 - Prob. 3RQCh. 2 - Prob. 4RQ
Ch. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQCh. 2 - Prob. 11RQCh. 2 - Prob. 12RQCh. 2 - Prob. 13RQCh. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 1CCOCh. 2 - Prob. 2CCOCh. 2 - Prob. 3CCOCh. 2 - Prob. 4CCOCh. 2 - Prob. 5CCOCh. 2 - Prob. 6CCOCh. 2 - Prob. 1CCTCh. 2 - Prob. 2CCTCh. 2 - Prob. 3CCTCh. 2 - Prob. 1CBTCh. 2 - Prob. 2CBTCh. 2 - Prob. 3CBTCh. 2 - Prob. 4CBTCh. 2 - Prob. 5CBTCh. 2 - Prob. 6CBTCh. 2 - Prob. 7CBTCh. 2 - Prob. 8CBTCh. 2 - Prob. PIAYKBPCh. 2 - Prob. PIIAYKBPCh. 2 - Prob. PIIIAYKBPCh. 2 - Prob. PIVAYKBPCh. 2 - Prob. PVAYKBPCh. 2 - Prob. PVIAYKBPCh. 2 - Prob. PVIIAYKBPCh. 2 - Prob. PVIIIAYKBPCh. 2 - Prob. PIXAYKBPCh. 2 - Prob. PXAYKBPCh. 2 - Prob. PXIAYKBP
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