作者bill790602 (REBORN)
看板TransCSI
标题[问题]答案对吗??
时间Sun Jun 28 17:55:40 2009
1.the layer of OSI model is responsible for source-to-destination
delivery of an individual packet.
a.presentation b.network c.physical d.session
my answere:c
2.which layer of the OSI model is responcible for source-to-destination
delivery of the entire message?
a.transport b.network c.data-link d.session
Ans:a
3.a queue of characters currently contains:a,b,c,d.d Character d is at the front
t.what would be the contents of the queue after the following operations:
(i)a deletion(ii)the addition of w then of x(iii)a deletions(iiii)
the addition of y
a. a,b,c,w,y b.y,x,c,d c.y,x,w,a,b d.a,b,c,d,w e.c,d,w,x,y
ans:e
另外几题小弟看不懂?@@麻烦大大们~
为小弟解困^^|||
1.How many 1's are present in the binary representation of 3x512+7x64+5x8+3?
a.8 b.9 c.10 d.11 e.12
2.suppose that fragment of assembly code below is written for an accumulator
-based machine:
LOAD X,MULT Y,STORE T1,MULT T1,STORE T1,LOAD Z,ADD Y,ADD T1,STORE R
what expression evaluated?
a.R=(XY)+Y+Z b.R=(XY)^2+Y+Z c.R=XY^2+Y+Z d.R=XY^2(Y-Z) e.XY^3+Z
3.asssume that a=1 b=2 and c=2 which is evahuated to be true?
a.NOT[(A>1)OR(B=C)] b.NOT(a=1) c.[(a=b)AND(b=c)] d.NOT[(b>a)OR NOT(a<c)]
e.none of the above
4.Big-Endian system,how is a four-byte integer 10A42D stored in memory
from 0 to 3?Draw a figure to illustrate the allocation.
BIG-endian是甚麽?@@书上是不是没写???
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 122.126.140.201
1F：→ z1x2c3v4:前面三题:B D C 06/28 19:50
2F：→ z1x2c3v4:Application Presetation Session - Message 06/28 19:52
3F：→ z1x2c3v4:Transport-segment;Network-packet;DataLink-frame 06/28 19:54
4F：→ z1x2c3v4:上面是每一层处理的档案类型..(是这样说吗= =?) 06/28 19:59
5F：→ bill790602:甚麽意思啊?@@ 06/28 19:59
6F：→ bill790602:我好想惨大了= =问题一堆 06/28 20:03
7F：→ z1x2c3v4:第三题是伫列,有先进先出的特性;abcd,题目说d是头端 06/28 20:05
8F：→ z1x2c3v4:(i)从头端删除一个(ii)从尾端加上w和x 06/28 20:06
9F：→ z1x2c3v4:(iii)从头端删除一个(iiii)从尾端加上y 所以等於yxwab 06/28 20:07
10F：→ bill790602:嗯嗯?@@ 06/28 20:10
11F：→ z1x2c3v4:第三题的顺序:abcd→abc→xwabc→xwab→yxwab 06/28 20:12
12F：→ bill790602:嗯嗯 06/28 20:15
13F：→ bill790602:physical session 是甚麽意思??@@ 06/28 20:26
14F：→ z1x2c3v4:osi模型里有七层 可以上维基看看 06/28 20:28
15F：→ bill790602:喔@@拿其他题要怎麽做??..... 06/28 20:30
16F：→ z1x2c3v4:下面第三题,把数字带进去,前四个选项算出来都是False 06/28 20:33
17F：→ bill790602:我只算过二进位的数值耶@@没算过1和2的??? 06/28 20:36
18F：→ z1x2c3v4:下面第二题-Load X;Mult Y;Sto T1 = T1←X+Y 06/28 20:37
19F：→ z1x2c3v4:A=1>1是F,B=2=C是T,ForT是F,NotF是T 其他以此类推@@ 06/28 20:40
20F：→ bill790602:原来喔我想太多了= = 06/28 20:41
21F：→ z1x2c3v4:上面打错,下面第二题-Load X;Mult Y;Sto T1 = T1←X*Y 06/28 20:42
22F：→ z1x2c3v4:Mult T1;Sto T1 =T1*T1*T1→(X*Y)(X*Y) 06/28 20:43
23F：→ z1x2c3v4:Load Z;Add Y;Add T1;Sto R= R←Z+Y+T1 so R=Z+Y+(X*Y)^2 06/28 20:45
24F：→ z1x2c3v4:load=载入;mult=乘;sto=存回;add=加 这样懂吗.. 06/28 20:47
25F：→ bill790602:嗯嗯懂了~原来是这种意思 06/28 20:49
26F：→ z1x2c3v4:Mult T1;Sto T1 =T1←T1*T1＝(X*Y)(X*Y) 06/28 20:50
27F：→ z1x2c3v4:God..第二条又打错..改成上面这条 06/28 20:50
28F：→ bill790602:恩恩 06/28 20:51
29F：→ z1x2c3v4:第一题和第四题 小弟表达能力差 不知该如何解释 抱歉O_Q 06/28 20:55
30F：→ bill790602:嗯嗯~不过真的谢谢z大那麽详细的解释~^^ 06/28 20:59