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What are the registers in the VNA?
Abbreviations representing instructions
❌
High-speed storage locations within the CPU
✅
Storage for data and instructions
❌
Operations performed by the CPU
❌
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By default what is the destination operand for the unsigned multiplication?
base register
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eflags register
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accumulator register
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r10 register
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Where is the destination operand saved in multiplication instruction?
cs
0%
ax
0%
dx
❌
fs
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is the following syntax allowed in assembly? CMP reg,reg
yes
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no
0%
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Which of the flags is set if the result of the calculation is zero?
sign
❌
overflow
❌
auxiliary carry
❌
zero
✅
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What are the mnemonics in the VNA?
Abbreviations representing instructions
✅
High-speed storage locations within the CPU
❌
Storage for data and instructions
❌
Operations performed by the CPU
❌
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Which of the following is not a logical, shift, rotate and bit instruction?
JMP
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SHL
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OR
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XOR
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AND
0%
RCR
0%
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What are the condition codes are doing in the program?
to control the program flow
0%
to make decisions during program execution
0%
to handle exceptions
0%
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For the following operation, what is the code in assembly? X = Y%Z (unsigned)
mov ax,y cwd idiv z mov x,dx
❌
mov ax,y mov dx,0 div z mov x,dx
✅
mov ax,y mov dx,0 div z mov x,ax
❌
mov ax,y cwd idiv z mov x,ax
❌
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What will be the result of the following operation: mov dx,-32765 sub dx,-255 ;signed operation
signed overflow (OF = 1)
0%
no signed overflow (OF=0)
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