Test02（选择题）
Test Bank—Chapter Two (Data Manipulation)
1. Which of the following is not contained in a CPU?
A. Instruction register
B. Program counter
C. General-purpo register
D. Memory cell
ANSWER: D
2. Which of the following instructions (as described in the language description table) changes the contents of a memory cell?
A. 10AB
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B. 20AB
C. 30AB
D. 40AB
ANSWER: C
中国豆腐文化节3. Which of the following instructions (as described in the language description table) places 00000000 in register A?
A. 1A00
B. 2A00
C. 3A00
D. 200A
ANSWER: B
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4. Which of the following instructions (as described in the language description table) places 00000000 in register 5?
A. 25FF
B. 9555
C. 15FF
D. 8555
ANSWER: B
5. Which of the following instructions (as described in the language description table) will not change the contents of register 5?
A. 1508
B. 2508
C. A503
D. A508
ANSWER: D
6. Which of the following instructions (as described in the language description table) is equivalent to requesting that register A be rotated to the left by three bits?
A. AA05
B. AA03
C. AA08
D. AA01
ANSWER: A
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7. Which of the following instructions (as described in the language description table) cha
nges the contents of register 7?
A. 4077
B. 4075itools4
C. 4057
D. 37BB
ANSWER: C
8. Which of the following is not a form of parallel processing?
A. SISD
B. MIMD
C. SIMD
ANSWER: A
9. In which of the following locations is information most readily available for manipulation by the CPU?
A. General-purpo registers
B. Main memory
C. Mass storage
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ANSWER: A
10. The bus in a computer is an example of which form of communication?
A. Serial
B. Parallel
C. Neither A nor B
ANSWER: B
11. Which of the following instructions does not fall in the category of arithmetic/logic instructions?
A. ROTATE
B. ADD
懒政C. OR
D. JUMP
ANSWER: D
12. Which of the following instructions falls in the category of data transfer instructions?
A. LOAD
B. AND
C. ROTATE
D. JUMP
ANSWER: A电脑中病毒
13. Which of the following is not a component of a machine instruction?
A. Op-code
B. Port
C. Operand
ANSWER: B
14. 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
ANSWER: A
15. What mask in register F would cau the instruction 8AAF (refer to the language description table) to put a 0 in the most significant bit of register A without disturbing the other bits?
A. 11111110
B. 00000001
C. 10000000
D. 011111111
ANSWER: D
16. What mask in register F would cau the instruction 7AAF (refer to the language desc
ription table) to put a 1 in the most significant bit of register A without disturbing the other bits?
A. 11111110
B. 00000001
C. 10000000
D. 011111111
ANSWER: C
17. Which of the following instructions will not produce the same result as the other two? (Refer to the language description table.)
A. A502
B. A506
C. A50A
ANSWER: B
18. Which of the following instructions will not produce the same result as the other two? (Refer to the language description table.)
A. 9555
B. 2500
C. 1500
ANSWER: C
19. If register A contained the pattern 00000000, which of the following instructions could alter the contents of register 0? (Refer to the language description table.)
A. 700A
B. 800A
C. 900A
ANSWER: B
20. Which of the following instructions (as described in the language description table) is esntially an unconditional jump?
A. B033
B. B133
C. B233
D. B333 ANSWER: A
