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20 Cards in this Set
- Front
- Back
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Which of the following is not contained in a CPU? A. Instruction register B. Program counterC. General-purpose register D. Memory cell |
D. Memory cell |
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Which of the following instructions (as described in the language description table) changes the contentsof a memory cell?A. 10AB B. 20AB C. 30AB D. 40AB |
C. 30AB |
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Which of the following instructions (as described in the language description table) places 00000000 inregister A?A. 1A00 B. 2A00 C. 3A00 D. 200A |
B. 2A00 |
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Which of the following instructions (as described in the language description table) places 00000000 inregister 5? A. 25FF B. 9555 C. 15FF D. 8555 |
B. 9555 |
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Which of the following instructions (as described in the language description table) will not change thecontents of register 5? A. 1508 B. 2508 C. A503 D. A508 |
D. A508 |
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Which of the following instructions (as described in the language description table) is equivalent torequesting that register A be rotated to the left by three bits? A. AA05 B. AA03 C. AA08 D. AA01 |
A. AA05 |
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Which of the following instructions (as described in the language description table) changes the contentsof register 7? A. 4077 B. 4075 C. 4057 D. 37BB |
C. 4057 |
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Which of the following is not a form of parallel processing? A. SISD B. MIMD C. SIMD |
A.SISD |
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In which of the following locations is information most readily available for manipulation by the CPU? A. General-purpose registers B. Main memory C. Mass storage |
A. General-purpose registers |
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The bus in a computer is an example of which form of communication? A. Serial B. Parallel C. Neither A nor B |
B. Parallel |
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Which of the following instructions does not fall in the category of arithmetic/logic instructions? A. ROTATE B. ADD C. OR D. JUMP |
D. JUMP |
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. Which of the following instructions falls in the category of data transfer instructions? A. LOAD B. AND C. ROTATE D. JUMP |
A. LOAD |
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Which of the following is not a component of a machine instruction? A. Op-code B. Port C. Operand |
B. Port |
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Which of the following is not an activity performed entirely within a CPU? A. Fetch instructions B. Perform Boolean operations C. Perform arithmetic operations D. Move data between registers |
A. Fetch instructions |
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What mask in register F would cause the instruction 8AAF (refer to the language description table) toput a 0 in the most significant bit of register A without disturbing the other bits? A. 11111110 B. 00000001 C. 10000000 D. 011111111 |
D. 011111111 |
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What mask in register F would cause the instruction 7AAF (refer to the language description table) toput a 1 in the most significant bit of register A without disturbing the other bits? A. 11111110 B. 00000001 C. 10000000 D. 011111111 |
C. 10000000 |
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Which of the following instructions will not produce the same result as the other two? (Refer to thelanguage description table.) A. A502 B. A506 C. A50A |
B. A506 |
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Which of the following instructions will not produce the same result as the other two? (Refer to thelanguage description table.) A. 9555 B. 2500 C. 1500 |
C. 1500 |
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If register A contained the pattern 00000000, which of the following instructions could alter thecontents of register 0? (Refer to the language description table.) A. 700A B. 800A C. 900A |
B. 800A |
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Which of the following instructions (as described in the language description table) is essentially anunconditional jump? A. B033 B. B133 C. B233 D. B333 |
A. B033 |
