(56) Give the logical variables X=Y=1, The value of X V Y(logical addition)
is

A) 1 B) 2 C) 10 D) 0

(57) The Programming Counter (PC) is normally used to point out

A) Programmed execution instruction

B) The address of last execution instruction

C) The address of current execution instruction

D) The address of next execution instruction

Items (58) and (59) are based on the following Pascal code.

FOR i:=1 TO n -1 do

BEGIN

k:=i:

FOR j:=i+1 TO n DO

IF A[j]<A[k]

THEN k:=j:

IF k<>i

THEN BEGIN

X:=A[k];

A[k]:=A[i];

A[i]:=x

END

END;

(58) The sorting method described by the code is called

A) Insertion sort B) Selection sort C) Radix sort D) Merge sort

(59) Suppose elements in array A are already sorted ascending order of their
values when the code begins to run, then execution time of the code will be

A) O(log2n) B) O(n) C) O(nlog2n) D) O(n2)

(60) Assume that N=2M and FIFO is used. If the string p1,p2,…,pN is repeated
three times, then the number of page faults is

A) N/2 B) N C) 2N D) 3N

(61) Chang, Tian and An are three users of the system. Chang and An are in
the same group. Tian is a Super User. Which of the following rights is inconsistent
with the given policies?

A) Tian has W(write) access to An's Mail files

B) Tian has E(execute) access to An's Mail files

C) Chian has R(read) access to An's text files

D) Tian has E(execute) access to Chang's Binary files

(62) Software Engineering Economy is an effective part of software engineering,
which of the following content is the research comtent of software engineering
economy?

Ⅰ.Estimation of software development cost

Ⅱ.Earn & Cost analysis of software development

Ⅲ.Adjustment of software development progress

A) Ⅲ only B) Ⅱ and Ⅲ C) Ⅰ and Ⅱ D) all

(63) Prototype method is one of the software engineering methods frequently
used, which of the following item is the necessary condition for implementing
prototype method?

Ⅰ.Can acquire the user requirement quickly

Ⅱ.Have the tools for building software fast

Ⅲ.Have a certain accumulation of prototype systems

A) Ⅰ only B) Ⅰand Ⅱ C) Ⅱ and Ⅲ D) all

(64) ORACLE RDBMS is a distributed DBMS. Which of the following techniques
adapted ensure atomicity of distributed transaction?

A) remote procedure call (RPC) B) Two _phases commit (2PC)

C) Snapshots D) triggers

(65) In order to get names of schoolboys(SEX='M')whose age=22, from a relation
S(SNO,SNAME,SEX,AGE),which of the following expressions is (are) correct?

Ⅰ.πsname(σsex='M'^age=22(S))

Ⅱ.σsex='M'^age=22(πsname(S))

A) Ⅰ only B) Ⅱ only C) Ⅰand Ⅱ D) neither

(66) In order to improve the performance of a network server, you need to select
bus or local bus. The appropriate local bus is

A) VESA B) PCI C) EISA D) ISA

(67) In terms of M.J.Flynn's taxonomy, the systolic array falls into

A) SISD B) MIMD C) SIMD D) MISD

(68) In the WAN, when a point-to-point subnet is used, an important design
issue is the roucer interconnection

A) topology B) computer C) service D) lines

(69) In the Ethernet LAN, an algorithm was chosen to dynarnically adapt to