...... computer performs a direct simulation of a physical system
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50%
Digital
50%
Analog
you can simulate a physical process in a digital computer by quantizing the quantities
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75%
T
25%
F
A physical system whose behavior is described by mathematical equations is simulated in an analog computer utilizing numerical methods
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57%
T
43%
F
The memory unit stores program in addition to input, output, intermediate data.
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93%
T
7%
F
.... supervises the flow of infromation between the various units
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75%
Control unit
25%
Datapath
A cpu combined with memory and interface control to form a small-size computer is called a
Anonymous Quiz
63%
microprocessor
37%
microcomputer
complements are used in digital computers for simplifying the substraction operation and for logical manipulations
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95%
T
5%
F
the r's complement of N is defined as
**** r ==> radix or base n ==> number of fields N ==> Number
**** r ==> radix or base n ==> number of fields N ==> Number
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62%
r^n - N
30%
r^n - N - 1
8%
r^n - N +1
the r-1's complement of N is defined by
*** r ==> radix or base n ==> number of fields in the integral part m ==> number of fields in the fractional part N ==> Number
*** r ==> radix or base n ==> number of fields in the integral part m ==> number of fields in the fractional part N ==> Number
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11%
r^m - r^n - n
57%
r^n - r^-m - N
29%
r^n - r^m - N
4%
r^-n - r^m - N
لاي رقم عموما تقدر تجيبله الr و الr-1 كومبليمينت بالصيغتين دول سواء بقى الارقام فيها جزء عشري او لا
r ==> r^n - N
r-1 ==> r^n - r^-m - N
******
r: radix or base
n: number of fields in the integral part
m: number of fields in the fractional part
N: Number
******
نفترض انك بتجيب لرقم عشري بس يبقى ال n=0 وساعتها ... r^n=1 لان اي حاجة اس صفر بتساوي واحد
نفترض انك بتجيب لرقم صحيح بس يبقى الm=0 فحالة انك بتجيب الr-1's complement وساعتها r^-m=1
نفترض انك بتجيب لرقم فيه جزء صحيح وجزء عشري هتعوض فالقانونين من غير مشاكل
r ==> r^n - N
r-1 ==> r^n - r^-m - N
******
r: radix or base
n: number of fields in the integral part
m: number of fields in the fractional part
N: Number
******
نفترض انك بتجيب لرقم عشري بس يبقى ال n=0 وساعتها ... r^n=1 لان اي حاجة اس صفر بتساوي واحد
نفترض انك بتجيب لرقم صحيح بس يبقى الm=0 فحالة انك بتجيب الr-1's complement وساعتها r^-m=1
نفترض انك بتجيب لرقم فيه جزء صحيح وجزء عشري هتعوض فالقانونين من غير مشاكل
In subtraction with r's complement if an end carry occurs
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39%
add 1 to the lsd (End arround carry)
61%
discard it
In subtraction with r's complement if an end carry ....... take the r's complement of the final number and place a negative sign
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34%
occurs
66%
doesn't occur
the ... 's complement has the advantage of being easier to implement by digital components
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77%
1
23%
2
the ..'s complement is advantageous in that only arithmetic addition operation is required
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20%
1
80%
2
the ..'s complement requires two arithmetic additions when an end around carry occurs
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60%
1
40%
2