揚(yáng)智(科技)筆試題目
軟件題目
1. Queue is a useful structure
* What is a queue?
* Write 5 operations or functions, without details, that can be done on a queue.
2. Insert a sequence fo keys(24,49,13,20,59,23,90,35) into a data structure, which has no keys initially. Depict the data structure after these insertions, if it is:
* a heap tree
* an AVL tree
3. * What is a synchronous I/O bus?
* What is an asnchronous I/O bus?
* Compare the advantages and disadvantages of synchronous and a synchronous I/O bus.
4. Explain the following terminology:
* Baud rate
* Handshaking
* Memory mapped I/O
5. Explain the key issues in supporting a real-time operation system for embedded system.
6. Explain the mapping of visual addresses to real addresses under paging by
* direct mapping
* associative mapping
* combined direct/associated mapping
7. Please explain what is “write-back” and “write-through”, and discuss the advantage and disadvantage about these two methods.
8. Explain the concept and benefit of threads
9. What is hardware interrupt? What is software interrupt? What is exception? Please tell me all you know about interrupt.
10. Write a recursive function that tests wether a string is a palindrome. A palindrome is s string such as “abcba” or “otto” that reads the same in both directions.If you can write this function recursively,you can write an iterative version of this function instead.
11.什么是進(jìn)程(Process)和線程(Thread)?有何區(qū)別?
12.MFC和SDK有何區(qū)別?
13.IRP是什么?有何作用?
14.Windows 2000操作系統(tǒng)下用戶模式和內(nèi)核模式下編程有何區(qū)別?
15.驅(qū)動(dòng)程序的BUFFER能swap到磁盤(pán)上去嗎?為什么?
16.試編寫(xiě)3個(gè)函數(shù)實(shí)現(xiàn)
(1)建立一個(gè)雙向鏈表
(2)插入一個(gè)節(jié)點(diǎn)
(3)刪除一個(gè)節(jié)點(diǎn)
17.簡(jiǎn)述Hardware interrupt和software中斷的區(qū)別,簡(jiǎn)述其應(yīng)用。
18.試編寫(xiě)一個(gè)函數(shù),計(jì)算一個(gè)字符串中A的`個(gè)數(shù)。
19.畫(huà)出其相應(yīng)流程圖并編寫(xiě)一個(gè)函數(shù)實(shí)現(xiàn)一個(gè)整數(shù)到二進(jìn)制數(shù)的轉(zhuǎn)換,如輸入6,輸出110。
20.
(1)編寫(xiě)一個(gè)遞歸函數(shù),刪除一個(gè)目錄。
(2)編寫(xiě)一個(gè)非遞歸函數(shù),刪除一個(gè)目錄。
并比較其性能。
21.附加題:簡(jiǎn)單敘述編程經(jīng)歷
硬件題目
1.用mos管搭出一個(gè)二輸入與非門(mén)。
2.集成電路前段設(shè)計(jì)流程,寫(xiě)出相關(guān)的工具。
3.解釋名詞IRQ,BIOS,USB,VHDL,SDR。
4.簡(jiǎn)述如下Unix命令cp -r, rm,uname。
5.用波形表示D觸發(fā)器的功能。
6.寫(xiě)異步D觸發(fā)器的verilog module。
7.What is PC Chipset?
8.用傳輸門(mén)和倒向器搭一個(gè)邊沿觸發(fā)器。
9.畫(huà)狀態(tài)機(jī),接受1,2,5分錢(qián)的賣(mài)報(bào)機(jī),每份報(bào)紙5分錢(qián)。
DSP題目
1.H(n)a*h(n1)+b*δ(n)
(1)求h(n)的z變換
(2)該系統(tǒng)是否為穩(wěn)定系統(tǒng)
(3)寫(xiě)出FIR數(shù)字濾波器的差分方程
2.寫(xiě)出下面模擬信號(hào)所需的最小采樣帶寬
(1)模擬信號(hào)的頻率范圍是0~4kHz
(2)模擬信號(hào)的頻率范圍是2~4kHz
3.名詞解釋
(1)量化誤差
(2)直方圖
(3)白平衡
(4)MMX
4.寫(xiě)出下面幾種格式中用到的壓縮技術(shù)
(1)JPEG
(2)MPEG2
(3)MP3
【揚(yáng)智(科技)筆試題目】相關(guān)文章:
上海中網(wǎng)科技筆試題目11-19
科技企業(yè)最怪異筆試題目11-17
英智興達(dá)軟件測(cè)試筆試題目11-20
大唐和亞信科技筆試題目12-03
藍(lán)盟科技面試筆試題目11-16
酷瑞(上海)網(wǎng)絡(luò)科技筆試題目11-19
深圳訊呼科技有限公司筆試題目11-15
優(yōu)視科技一道指針筆試題目11-01
龍通科技有限公司筆試題目分享10-25