microprocessor - 6

logistic_guy

logistic_guy

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\(\displaystyle \bold{1.}\) Which bus transfers the memory address to the I/O device or to the memory?
\(\displaystyle \bold{2.}\) Which control signal causes the memory to perform a read operation?
\(\displaystyle \bold{3.}\) What is the purpose of the \(\displaystyle \overline{IORC}\) signal?
\(\displaystyle \bold{4.}\) If the \(\displaystyle \overline{MRDC}\) signal is a logic \(\displaystyle 0\), which operation is performed by the microprocessor?
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB
(b) DQ
(c) DW
(d) DD
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char
(b) short
(c) int
(d) float
(e) double
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:
(a) 1101.01
(b) 111001.0011
(c) 101011.0101
(d) 111.0001
\(\displaystyle \bold{8.}\) Convert the following octal numbers into decimal:
(a) 234.5
(b) 12.3
(c) 7767.07
(d) 123.45
(e) 72.72
\(\displaystyle \bold{9.}\) Convert the following hexadecimal numbers into decimal:
(a) A3.3
(b) 129.C
(c) AC.DC
(d) FAB.3
(e) BB8.0D
\(\displaystyle \bold{10.}\) Convert the following decimal integers into binary, octal, and hexadecimal:
(a) 23
(b) 107
(c) 1238
(d) 92
(e) 173
 
logistic_guy said:
\(\displaystyle \bold{1.}\) Which bus transfers the memory address to the I/O device or to the memory?
\(\displaystyle \bold{2.}\) Which control signal causes the memory to perform a read operation?
\(\displaystyle \bold{3.}\) What is the purpose of the \(\displaystyle \overline{IORC}\) signal?
\(\displaystyle \bold{4.}\) If the \(\displaystyle \overline{MRDC}\) signal is a logic \(\displaystyle 0\), which operation is performed by the microprocessor?
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB
(b) DQ
(c) DW
(d) DD
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char
(b) short
(c) int
(d) float
(e) double
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:
(a) 1101.01
(b) 111001.0011
(c) 101011.0101
(d) 111.0001
\(\displaystyle \bold{8.}\) Convert the following octal numbers into decimal:
(a) 234.5
(b) 12.3
(c) 7767.07
(d) 123.45
(e) 72.72
\(\displaystyle \bold{9.}\) Convert the following hexadecimal numbers into decimal:
(a) A3.3
(b) 129.C
(c) AC.DC
(d) FAB.3
(e) BB8.0D
\(\displaystyle \bold{10.}\) Convert the following decimal integers into binary, octal, and hexadecimal:
(a) 23
(b) 107
(c) 1238
(d) 92
(e) 173
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\(\displaystyle \bold{1.}\) Which bus transfers the memory address to the I/O device or to the memory?

\(\displaystyle \textcolor{blue}{\text{Address bus}}\)
 
\(\displaystyle \bold{2.}\) Which control signal causes the memory to perform a read operation?

\(\displaystyle \textcolor{blue}{\overline{\text{MRDC}}}\)
 
\(\displaystyle \bold{3.}\) What is the purpose of the \(\displaystyle \overline{IORC}\) signal?

\(\displaystyle \overline{\text{IORC}}\) signal initiates a read operation from an I/O device.
 
\(\displaystyle \bold{4.}\) If the \(\displaystyle \overline{MRDC}\) signal is a logic \(\displaystyle 0\), which operation is performed by the microprocessor?

\(\displaystyle \textcolor{blue}{\text{Memory read operation.}}\)
 
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB \(\displaystyle \longrightarrow \textcolor{blue}{\text{defines a byte or bytes of memory}}\)
(b) DQ
(c) DW
(d) DD
 
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB \(\displaystyle \longrightarrow \textcolor{blue}{\text{defines a byte or bytes of memory}}\)
(b) DQ \(\displaystyle \longrightarrow \textcolor{red}{\text{defines a quadword or quadwords of memory}}\)
(c) DW
(d) DD
 
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB \(\displaystyle \longrightarrow \textcolor{blue}{\text{defines a byte or bytes of memory}}\)
(b) DQ \(\displaystyle \longrightarrow \textcolor{red}{\text{defines a quadword or quadwords of memory}}\)
(c) DW \(\displaystyle \longrightarrow \textcolor{orange}{\text{defines a word or words of memory}}\)
(d) DD
 
\(\displaystyle \bold{5.}\) Define the purpose of the following assembler directives:
(a) DB \(\displaystyle \longrightarrow \textcolor{blue}{\text{defines a byte or bytes of memory}}\)
(b) DQ \(\displaystyle \longrightarrow \textcolor{red}{\text{defines a quadword or quadwords of memory}}\)
(c) DW \(\displaystyle \longrightarrow \textcolor{orange}{\text{defines a word or words of memory}}\)
(d) DD \(\displaystyle \longrightarrow \textcolor{green}{\text{defines a doubleword or doublewords of memory}}\)
 
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char \(\displaystyle \textcolor{blue}{\text{8-bit signed number}}\)
(b) short
(c) int
(d) float
(e) double
 
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char \(\displaystyle \textcolor{blue}{\text{8-bit signed number}}\)
(b) short \(\displaystyle \textcolor{red}{\text{16-bit signed number}}\)
(c) int
(d) float
(e) double
 
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char \(\displaystyle \textcolor{blue}{\text{8-bit signed number}}\)
(b) short \(\displaystyle \textcolor{red}{\text{16-bit signed number}}\)
(c) int \(\displaystyle \textcolor{green}{\text{32-bit signed number}}\)
(d) float
(e) double
 
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char \(\displaystyle \textcolor{blue}{\text{8-bit signed number}}\)
(b) short \(\displaystyle \textcolor{red}{\text{16-bit signed number}}\)
(c) int \(\displaystyle \textcolor{green}{\text{32-bit signed number}}\)
(d) float \(\displaystyle \textcolor{grey}{\text{32-bit floating-point number}}\)
(e) double
 
\(\displaystyle \bold{6.}\) Define the purpose of the following \(\displaystyle 32\)-bit Visual C++ directives:
(a) char \(\displaystyle \textcolor{blue}{\text{8-bit signed number}}\)
(b) short \(\displaystyle \textcolor{red}{\text{16-bit signed number}}\)
(c) int \(\displaystyle \textcolor{green}{\text{32-bit signed number}}\)
(d) float \(\displaystyle \textcolor{grey}{\text{32-bit floating-point number}}\)
(e) double \(\displaystyle \textcolor{indigo}{\text{64-bit floating-point number}}\)
 
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:

(a) 1101.01 \(\displaystyle = 2^3 + 2^2 + 0 + 2^0 + 0 + 2^{-2} = \textcolor{green}{\bold{13.25}}\)
 
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:

(b) 111001.0011 \(\displaystyle = 2^5 + 2^4 + 2^3 + 0 + 0 + 2^0 + 0 + 0 + 2^{-3} + 2^{-4} =\textcolor{blue}{57.1875}\)
 
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:

(c) 101011.0101 \(\displaystyle = 2^5 + 0 + 2^3 + 0 + 2^1 + 2^0 + 0 + 2^{-2} + 0 + 2^{-4} = \textcolor{blue}{43.3125}\)
 
\(\displaystyle \bold{7.}\) Convert the following binary numbers into decimal:

(d) 111.0001 \(\displaystyle = 2^2 + 2^1 + 2^0 + 0 + 0 + 0 + 2^{-4} = \textcolor{blue}{7.0625}\)
 
\(\displaystyle \bold{8.}\) Convert the following octal numbers into decimal:

(a) 234.5 \(\displaystyle = 2\left(8^2\right) + 3\left(8^1\right) + 4\left(8^0\right) + 5\left(8^{-1}\right) = \textcolor{red}{156.625}\)
 
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