101年 - 101 國立嘉義大學_碩士班招生考試試題_資訊管理學系：計算機概論#146457

科目：研究所、轉學考(插大)、學士後-計算機概論 | 年份：101年 | 選擇題數：0 | 申論題數：21

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所屬科目：研究所、轉學考(插大)、學士後-計算機概論

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申論題 (21)

1. Please answer the following questions: (20%)
(a) Store +101 in an 8-bit memory location using two’s complement representation.
(b) Show the hexadecimal equivalent of the above 8-bit string.
(c) Continued (a), what is the two’s complement of the above 8-bit string?
(d) Can +128 be stored in an 8-bit memory location using two’s
complement representation? Why?
2. Assume A = 0111, B = 0101, represented using two’s complement notation, please elaborate the calculation of A－B using the XOR and AND operations. (5%)
3. Assume an image of the size of 2400 1800 pixels. Please answer the following questions: (8%)
(a) With the resolution of 300 ppi, what is the printed size of the image (in inch)?
(b) Continued, with the representation of full-color (24 bits/pixel), what is the file size of the image (in MB) (1KB = 100Bytes, 1MB = 1000 KB)?
4. Please answer the following questions: (12%)
(a) What is “black-box testing”?
(b) What is “white-box testing”?
(c) Which of the above is more appropriate for the unit test? Why?
5. Please answer the following questions: (8%)
(a) What is the multi-user, multitasking operating system?
(b) Please provide an example of the multi-user, multitasking operating system in the real world.
6. Please answer the following questions: (12%)
(a) What is demand paging technique?
(b) Why is the above technique important for the multiprogramming operating systems?
(c) When will the “page fault” occur?
7. What is the advantage of “Encapsulation” in object-oriented programming? (5%)
8. Assume that a link list is as follows. Please write down the pseudo code about the operation of inserting a new data F in between C and D. (10%)
9. Please briefly define the following terms: (20%)
(a) Denial-of-service (DOS) Attack
(b) Domain Name System (DNS)
(c) Simple Mail Transfer Protocol (SMTP)
(d) Post Office Protocol (POP)