kt chuong 5

HTMLCONTROL Forms.HTML:Hidden.1 S dng bus c nhc im g? a. Gii hn lu lng vo ra ti a do b nghn c chai.

b. Cc cu tr li khc vi cu ny u ng.

c. Tc ti a gim khi s lng cc ngoi vi c ni vo my tnh ln.

d. Tc ti a gim khi chiu di ca BUS tng.

Ti sao khi khi s lng thit b kt ni voBUS gia tng th tc ti a ca bus b gii hna. S lng thit b kt ni vo BUS tng lm gia tng li khi truyn thng tin ca bus.


c. S lng thit b kt ni vo BUS tng lm gia tng nhiu k sinh trn BUS.

d. S lng thit b kt ni vo BUS tng lm gia yu cu s dng BUS, d to ra s tt nghn trn bus.

Con chut (mouse) thuc nhm thit b no sau y ?a. Xut thng tin.

b. Nhp thng tin.

c. Thit b c c hai nhm nhp v xut thng tin.

d. Khng thuc loi thit b nhp / xut thng tin.

Trong h thng mng a tRAID 1, thng tin d phng c lu tr nh th no ? a. Lu tr theo c ch Parity mc khi, khng c a ring lu cc khi Parity.

b. Lu tr theo c ch Parity mc bit, c 1 a ring lu cc bit Parity.

c. Lu tr theo c ch a gng.

d. Lu tr theo c ch Parity mc khi, c 1 a ring lu cc khi Parity.

H thng nhp / xut thng tin ca my tnh in t c c im no sau y?

a. S lng cc b phn vo / ra khng cn nh trc trong cc h thng my tnh.

b. Cc cu tr li khc vi cu ny u ng

c. Ngi s dng my tnh ch cn trang b cc b phn vo / ra theo yu cu ca cng vic.

d. Chng loi cc b phn vo / ra khng cn nh trc trong cc h thng my tnh.

Dng k thut DMA (Direct Memory Access) c li g ? a. Cc cu tr li khc u ng.

b. Gim thi gian vn chuyn thng tin t ngoi v vo b nh.

c. Gim s lng thng tin cn vn chuyn t ngoi v vo b nh.

d. Gim nh cng vic ca CPU trong vic vn chuyn thng tin t ngoi v vo b nh.

Ti sao khi chiu di bus gia tng th tc ti a ca bus b gii hn.

a. Chiu di tng lm gia tng nhiu k sinh to ra trn bus.

b. Chiu di tng lm gia tng thi gian truyn thng tin ca bus.

c. Chiu di tng lm gia tng s tt nghn.

d. Cc cu tr li khc vi cu ny u ng.

Trong cc a cngIDE dng cng ngh ghi thng tin mt khng u c ngha l? a. Cc cu tr li khc vi cu ny u ng.

b. S lng thng tin ghi trn cc track bng nhau.

c. Tc quay ca a khng thay i.

d. Cc track gn tm a c mt ghi thng tin cao hn cc track xa tm a.

Khi BUS c nhiu ch nhn,ti saocn c c ch trng ti ?

a. trnh xung t khi c hai (hoc nhiu) yu cu nhn thng tin t BUS.

b. gim tt nghn khi c nhiu thnh phn c kt ni vo BUS.

c. hn ch suy gim tc khi tng chiu di ca BUS.

d. trnh xung t khi c hai (hoc nhiu) yu cu gi thng tin ln BUS.

a CD-ROM hot ng theo nguyn tc no? a. Da vo tnh phn chiu v khng phn chiu trn b mt a i vi tia laser.

b. Da vo tnh nng chy ca kim loi khi c nung nhit cao bi chm tia laser.

c. Da vo nguyn tc t tnh lu tr thng tin.

d. Da vo nguyn tc hot ng ca b nh ch c ROM.

Trong cc my vi tnh hin nay, thit b lu tr no sau y va dng lu tr di hn cc tp tin ng thi thit lp mt cp b nh bn di b nh trong lm b nh o.

a. Bng t (Tape backup).

b. a quang (CDROM / DVD).

c. a cng (HDD: Hard Disk Drive).

d. a bn dn / a USB (USB Drive).

a phim DVD c phn gii bao nhiua. 1027 x 768

b. 800 x 600

c. 720 x 640

d. 320 x 200

Trong h thng mng a tRAID 3, thng tin d phng c lu tr nh th no ?

a. Lu tr theo c ch Parity mc khi, c 1 a ring lu cc khi Parity.

b. Lu tr theo c ch Parity mc khi, khng c a ring lu cc khi Parity.

c. Lu tr theo c ch a gng.

d. Lu tr theo c ch Parity mc bit, c 1 a ring lu cc bit Parity.

S khc nhau quan trng gia a t v bng t l g?

a. a t c c ch thm nhp ngu nhin cn bng t l tun t.

b. a t c c ch hot ng phc tp hn bng t.

c. a t t h hng hn bng t.

d. a t lu tr thng tin vi mt cao hn bng t.

Nhim v no sau y khng phi ca cc thit b nhp xut ?

a. Giao tip gia ngi s dng v my tnh in t.

b. Lu tr thng tin di hn di dng cc tp tin.

c. Nhp xut thng tin ca my tnh in t.

d. X l thng tin.

Ti sao cn c chun ca BUS vo / ra?

a. Nh thit k my tnh v nh thit k ngoi vi tn trng cc chun th ngoi vi c th mc d dng vo my tnh.

b. Nh thit k my tnh v ngoi vi lm vic c lp vi nhau.

c. Lm cho vic kt ni ngoi vi vo my tnh d dng.

d. Cc cu tr li khc vi cu ny u ng.

Dng bus lien lc gia b x l trung tm, b nh v thit b ngoi vi c u im g?

a. r tin v nhiu thnh phn cng chia s mt ng dy trao i thong tin

b. cc cu u ng

c. d dng thm mt ngoi vi mi vo my tnh khi cn thit

d. d dng g b mt ngoi vi ra khi my tnh khi khng cn s dngPhng php ngt qung (interrupt) c li hn phng php thm d (polling) trong mt no sau y ?

a. Cc cu tr li khc vi cu ny u sai.

b. Thi gian ca CPU dng vo vic nhn bit ngoi vi c yu cu phc v.

c. Thi gian CPU x l thng tin trong cc ng dng c nhiu d liu.

d. Thi gian b x l thc hin vic vn chuyn d liu t ngoi v vo b nh.

Trong a cng, khi nim Cylinder l g ?a. Cc cu tr li khc vi cu ny u sai.

b. Tp hp cc sector c cng v tr trn tt c cc mt a.

c. Tp hp cc track c cng v tr (so vi tm trc quay) trn tt c cc mt a.

d. Tp hp cc sector c cng v tr trn cc track ca mt mt a.

H s d phng ca RAID 1l bao nhiu ? a. 20%.

b. 40%.

c. 50 %.

d. 30%.

Ch nhn ca BUS trong my tnh in t c hiu nh th no ? a. L b phn c th khi ng mt tc v c (nhn) hoc vit (gi) thng tin trn BUS.

b. L b phn c kt ni vo BUS nhn thng tin.

c. L b phn c kt ni vo BUS gi thng tin.

d. L b phn c kt ni vo BUS nhn hoc gi thng tin.

Trong h thng my tnh, bng t c s dngvovic g ?

a. Thit b nhp / xut thng tin khi thc hin cc chng trnh.

b. Sao chp d liu t my tnh ny sang my tnh khc.

c. Sao lu d phng cc tp tin trn a t.

d. Hu phng ca b nh trong dng t chc b nh o.

Trong mt my tnh s dng 5 a cng, dung lng mi a 80 GB, t chc thnh h thng mng a td phng kiu RAID 5. H thng nyc dung lng lu tr bao nhiu ?

a. 240 GB.

b. 400 GB

c. 160 GB.

d. 320 GB.

Ti sao mt my tnh c s dng b x l vo ra c xem nh mt my tnh a x l. a. V b x l vo ra gip cho my tnh thc hin cng lc nhiu (2) tin trnh.


c. V b x l vo ra lm cho cc ng dng hot ng nh c hai CPU.

d. V b x l vo ra c th thc hin cc cng vic nh b x l trung tm.

K thut DMA (Direct Memory Access) c s dng cho cc nhm thit b ngoi vi no ?

a. Nhm thit b xut thng tin.

b. Nhm thit b ngoi vi thng dng.

c. Nhm thit b nhp thng tin.

d. Nhm thit b ngoi vi c khi lng v lu lng thng tin vo / ra ln.

Thit b no sau y ch dng xutthng tin ca my tnh in t ?a. Bn phm (Keyboard).

b. a CD-ROM (CD-ROM Drive).

c. a cng (Hard Disk Drive).

d. Mn hnh (Monitor).

Kthut no sau y c s dng trong BUS cht lng cao ?

a. K thut chuyn gi (Packet).

b. K thut truyn tin bt ng b.

c. K thut BUS a hp (ng a ch v s liu c dng chung).

d. K thut chuyn knh (thit lp kt ni trc khi truyn s liu)

c im no sau y ch c trn DVD v khng c trn CDROM ?a. Mt ghi thng tin phn b u theo diu di ca track.

b. C th c hai hoc ba lp d liu (layer) trn 1 mt a.

c. Cc track l cc vng xon trn c.

d. c d liu da vo tnh phn chiu v khng phn chiu trn b mt a i vi nh sng (tia laser).


a. Lu tr theo c ch a gng.


c. Lu tr theo c ch Parity mc khi, c 1 a ring lu cc khi Parity.

d. Lu tr theo c ch Parity mc bit, c 1 a ring lu cc bit Parity.

Trong cc a cng SCSI dng cng ngh ghi thng tin mt u c ngha l?

a. Lng thng tin c phn b u theo chiu di ca track.


c. S lng thng tin ghi trn cc track bng nhau.

d. Cc sector gn trc quay ghi t thng tin hn cc sector xa trc quay.

im li ca k thut s dng mt mng a t d phngl g?

a. Tng an ton trong lu tr thng tin bng a t trn my tnh.

b. Tng bn ca cc a t lu tr thng tin trn trn my tnh.

c. Gim gi thnh cho h thng lu tr thng tin trn my tnh.

d. Gim chi ph trong lu tr thng tin trn my tnh.

Ai a ra chun ca BUS vo / ra ?

a. Cc cu tr li khc vi cu ny u ng.

b. Cc c quan chun ha quc gia.

c. Cc nh sn sut c sn phm c nhiu ngi s dng chp nhn.

d. Cc c quan chun ha quc t.


a. Lu tr theo c ch Parity mc khi, c 1 a ring lu cc khi Parity.


c. Lu tr theo c ch Parity mc bit, c 1 a ring lu cc bit Parity.

d. Lu tr theo c ch a gng.

B x l vo ra v b x l trung tm ging nhau kh nngno ?

a. u c kh nng thc hin cng vic vn chuyn d liu gia ngoi vi v b nh.

b. u c kh nng x l thng tin trong cc ng dng tin hc.

c. Cc cu tr li khc vi cu ny u ng.

d. u c kh nng thc hin cc chng trnh ng dng song song ca mt my a x l.

Mt a CD-ROM48X c tc c d liu tia l bao nhiu?

a. 2400 MB/s

b. 4800 MB/s

c. 7200 MB/s

d. 7500 MB/s

Thit b no sau y ch dng nhp thng tin vo my tnh in t ?

a. a cng (Hard Disk Drive).

b. My in (Printer).

c. Mn hnh (Monitor).

d. a CD-ROM (CD-ROM Drive).

Khi nim Cluster trong a cng l g ?a. Tp hp cc track c cng v tr (so vi tm trc quay) trn tt c cc mt a.

b. Cc cu tr li khc vi cu ny sai.

c. Tp hp cc sector c cng v tr trn tt c cc mt a.

d. Tp hp cc sector c cng v tr trn cc track ca mt mt a.

Thit b no sau y va l thit b nhp thng tin, va l thit b xut thng tin ?a. a cng (Hard Disk Drive).

b. My qut nh (Scanner).

c. a CD-ROM (Compact Disk ROM Drive).

d. My in Laser (Laser Printer).

Hin nay loi b nh Rom no c s dng lm cc a bn dna. ROM

b. PROM

c. EEPROM

d. EPROMCD-ROM c mt ghi thng tinphn b u c ngha l g ?

a. Mt ghi thng tin cc track gn tm cao hn cc track xa tm.

b. Lng thng tin ghi trn cc track bng nhau.

c. Cc track c chiu di bng nhau.

d. Lng thng tin ghi thng tin ghi trn mt n v chiu di cc track khng thay i.

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kt chuong 5

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