2003 Software Engineer筆試題

2003 Software Engineer筆試題

1. Describe x86 PC’s architecture in a diagram cpu, core chipset, Cache, DR AM, IO-subsystem, IO-Bus

2. SWI instruction is often called a “supervisor call”, describe the act ions in detail
* Save the address of the instruction after the SWI in rl4_svc.
* Save the CPSR in SPSR_svc.
* Enter supervisor mode and disable IRQs.
* Set the PC to 08 and begin executing the instruction there.

3. What is PIO operation? advantage and disadvantage?
* DMA operation? advantage and disadvantage?
* Scatter/Gather DMA engine? how does it operate?

4. MP3 decoder related. (a flow chart of decoding is presented)
* advantages of Huffman encoding?
* why the aliasing reduction is necessary?
* analytical expression in mathematics of the IMDCT?
* which block in the flow chart is suitable for the software implementatio n and which for the hardware? why?

5. Assembly codes -> C language (about 15 lines).

6. Graduation thesis description.

【 Software Engineer筆試題】相關(guān)文章：

Senior Sales Engineer筆試題目07-23

精選Senior Sales Engineer筆試題目07-16

阿爾卡特NGN software dev.筆試題目05-17

Engineer Resume07-13

360筆試題目06-27

筆美國(guó)國(guó)家儀器試題目09-23

搜狐產(chǎn)品筆歸分享筆試題目07-05

新浪筆經(jīng)04-27

新聞總署筆經(jīng)10-13

IBM公司筆經(jīng)09-15