The hottest three-level PC technology full truth s

Three level PC technology full truth standard prediction test paper (II) 2

31 The position of each flag in the known flag register is shown in the figure below.

after an interrupt occurs, if the TF flag is set to 1 with the following interrupt service program, how much displacement should it be

()

(score of this question: 1 point)

[correct answer]

d

a.2

b.4

c.6

d.8

32 According to the following instruction and pseudo instruction sequence, what is the content of ax register? ()

(score of stable and reliable question of natural ability: 1 point)

[correct answer]

a

a.0300h

b.0003h

c.0506g

d.0403h

33 In order to make the following instruction sequence convert two unpacked BCD codes in ah and Al registers into a packed BCD code and store it in Al, what operand should be filled in the third instruction? ()

mov Cl, 4

shl Al, cl

shr [], cl

(score of this question: 1 point)

[correct answer]

c

34 Among the following string operation instructions, which instruction is preceded by the repeat prefix instruction rep has no practical use value? ()

(score of this question: 1 point)

[correct answer]

C

VSB

OSB

DSB

PSB

35 Which of the following terms is used to quantitatively describe the real-time performance of a real-time computer system when a hammer falls immediately? ()

(score of this question: 1 point)

[correct answer]

d

u main frequency

b. real time clock

a data transmission rate

d. response time

36 Known: VAR DW 1, 2, $+2, 5, 6

if the offset address assigned by VAR during compilation is 0100h, the content of 0014h unit after compilation is: ()

(score of this question: 1 point)

[correct answer]

d

a.6h

b.14h

c.5h

d.16h

37 When connecting two assembly language target programs, if the segment names of their data segments are the same, the combination type is public, and the positioning type is para, the starting physical address of the first target program data segment after connection is 00000h, and the length is 1376h, The starting physical address of the second target program data segment is ()

(score of this question: 1 point)

[correct answer]

c

a.01377h

b.01378h

c.01380h

d.01400h

38 Among the following 80x86 instructions, illegal instructions are ()

(score of this question: 1 point)

[correct answer]

a

ax, 0378h

V BL, al

VSB

L ax, 6

39 At present, the way most home computer users go online is ()

(score of this question: 1 point)

[correct answer]

a

A. online

B. online

C. cable TV cable

D. local area

40 At what level in the network is the IP protocol currently used by the Internet (Internet)? ()

(score of this question: the machine adopts high-precision lever weights to provide constant experimental force by 1 point)

[correct answer]

b

A. application layer

B. network layer

C. data link layer

D. transportation layer

41 One of the main performance parameters of disk storage is the average waiting time, which is related to the performance of the disk? ()

(score of this question: 1 point)

[correct answer]

b

A. data transmission rate

B. disk rotation speed

C. average seek time

D. disk storage capacity

42.1 computers have relatively high MTBF values, Its meaning refers to ()

(score of this question: 1 point)

[correct answer]

b

a. the availability of the computer is relatively high

B. the reliability of the computer is relatively high

C. the computer is easy to maintain

D. the computer has good fault tolerance

43 Software design is divided into two stages: overall (outline) design and detailed design. Which of the following is the task of overall design? ()

(score of this question: 1 point)

[correct answer]

a

A. design software structure

B. formulate test plan

C. design test cases

D. design algorithm and data structure

ndows operating system is different from UNIX operating system in that ()

(score of this question: 1 point)

[correct answer]