[北郵]我也攢rp,yahoo網上java題!!
發信人: pxm (密密麻麻的高樓大廈 找不到我的家), 信區: job
標 題: [北郵]我也攢rp,yahoo網上java題!!發信站: bbs雁塔晨鐘站 (mon nov 7 23:31:52 XX), 本站()@?), 信區: job標 題: 我也攢rp,yahoo網上java題!!發信站: 北郵真情流露 (sat nov 5 21:48:15 XX), 站內 試題 選項question 1. (單選)某二叉樹結點的對稱序序列為a、b、c、d、e、f、g,後序序列為b、d、c、a、f、g、e。該二叉樹對應的樹林包括多少棵樹?1. 12. 23. 34. 4question 2. (單選)某二叉樹結點的對稱序序列為a、b、c、d、e、f、g,後序序列為b、d、c、a、f、g、e。該二叉樹對應的樹林結點的層次次序序列為1. e、g、f、a、c、d、b2. e、a、c、b、d、g、f3. e、a、g、c、f、b、d4. e、g、a、c、d、f、bquestion 3. (單選)假設就緒佇列中有10個程序,系統將時間片設為200ms, cpu進行程序切換要花費10ms。則系統開銷所佔的比率約為1. 1%2. 5%3. 10%4. 20%question 4. (單選)長度相同但格式不同的2種浮點數,假設前者階碼長、尾數短,後者階碼短、尾數長,其它規定均相同,則它們可表示的數的範圍和精度為:1. 兩者可表示的數的範圍和精度相同2. 前者可表示的數的範圍大但精度低3. 後者可表示的數的範圍大且精度高4. 前者可表示的數的範圍大且精度高question 5. (單選)所謂“變號操作”是指將一個整數變成絕對值相同但符號相反的另一個整數。假設使用補碼錶示的8位整數x=10010101,則經過變號操作後結果為:1. 11010102. 101013. 111010104. 1101011question 6. (單選)設有一個用陣列q[1..m」表示的環形佇列,約定f為當前隊頭元素在陣列中的位置,r為隊尾元素的後一位置(按順時針方向),若佇列非空,則計算佇列中元素個數的公式應為:1. r-f2. (m r-f) mod m3. (m-r f)mod m4. (m-r-f) mod mquestion 7. (單選)計算機最主要的工作特點是1. 儲存程式與自動控制2. 高速度與高精度3. 可靠性與可用性4. 有記憶能力question 8. (單選)計算機中資料的表示形式是1. 八進位制2. 十進位制3. 二進位制4. 十六進位制question 9. (單選)下面列出的四種儲存器中,易失性儲存器是1. ram2. rom3. prom4. cd-romquestion 10. (單選)i/o介面位於1. 匯流排和裝置之間2. cpu和i/o裝置之間3. 主機和匯流排之間4. cpu和主儲存器之間question 11. (單選)計算機硬體能直接識別和執行的只有1. 高階語言2. 符號語言3. 組合語言4. 機器語言question 12. (單選)具有多媒體功能的微型計算機系統中,常用的cd-rom是1. 只讀型大容量軟盤2. 只讀型光碟3. 只讀型硬碟4. 半導體只讀儲存器question 13. (單選)微機中1k位元組表示的二進位制位數是1. 10002. 8x10003. 10244. 8x1024question 14. (單選)下列字元中,ascii碼值最小的是1. a2. a3. x4. yquestion 15. (單選)osi(開放系統互聯)參考模型的最低層是1. 傳輸層2. 網路層3. 物理層4. 應用層question 16. (單選)計算機中,一個浮點數由兩部分組成,它們是1. 階碼和尾數2. 基數和尾數3. 階碼和基數
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