Remote computing services involve the use of timesharing and ______________
a) Multiprocessing
b) Interactive processing
c) Batch processing
d) Real time processing
2. Which of the following is not a part of the operating system
a) Supervisor
b) Job-control program
c) Performance monitor
d) Input/ output program
Which of the following will determine your choice of systems software for your
computer?
a) Is the applications software you want to use compatible with it?
b) Is it expensive?
c) Is it compatible with your hardware?
d) (a) and (c)
4. A six faced die is so biased that it is twice as likely to show an even number as
an odd number when thrown. It is thrown twice. what is the probability that the
sum of the two numbers thrown is even
a) 5/9
b) 9/5
c) 14/9
d) 4/9
A bag contains 6 white and 4 black balls one of the bag is chosen as random and
a draw of 2 balls is made from it. find the probability that one is white and the
other is black
a) 84/165
b) 165/84
c) 42/ 75
d) none of the above
In order to use DBMS, It is important to understand
a) The physical schema
b) All sub schema that system supports
c) one subschema
d) Both (a) and (b)
7. In SQL which command(s) is (are) used to enable/ disable a database trigger?
a) MODIFY USER
b) CHANGE USER
c) ALTER USER
d) NONE OF ABOVE
e) ALL OF ABOVE
8. Who developed the E-R Model?
a) Codd
b) Date
c) Chen
d) Bachman
9. What are the components of an E-R Model?
a) Entities.
b) Attributes
c) Relationships
d) All of the above
Let the sets A, B,C and U be as U= all students at a university, A= day students,
B=mathematics major, C= graduate students. Let #U = 16,000 ; #A = 9,000 ; #B =
300 and #C = 1,000. Also assume that tne number of day students who are majors
is 250, 50 out of which are graduate students, and that total number of day graduate
students is 700. Determine the number of students who are :
a) evening students
b) non-mathematical majors
c) undergraduates(day or evening)
d) day graduate non-mathematics majors.
e) Evening graduate students
f) Evening graduate mathematics majors
g) Evening undergraduate non-mathematics majors.
Which of the following is false?
-7-
a) Data stored in an array can be accessed faster that data stored in a disk file.
b) Data stored in an array needs to be entered only once, typically at the beginning
of the program.
c) Array allows the programmer to store information in the computers internal
memory.
d) When using arrays, you will have fewer variables names to remember.
e) None of the proceeding statements are false.
12. Elements in an array are identified by a unique _______
a) Data type
b) Order
c) Subscript
d) Symbol
What is the missing number?
20 / 0.8 = ?
18 Which is the largest fraction?
3/4 7/8 4/5 7/9 7/10
19. What is the missing number in the following series?
45/9 = 12 - ?
256 ? 64 32 16
3 9 27 ? 243
1 4 10 19 ?
a) Multiprocessing
b) Interactive processing
c) Batch processing
d) Real time processing
2. Which of the following is not a part of the operating system
a) Supervisor
b) Job-control program
c) Performance monitor
d) Input/ output program
Which of the following will determine your choice of systems software for your
computer?
a) Is the applications software you want to use compatible with it?
b) Is it expensive?
c) Is it compatible with your hardware?
d) (a) and (c)
4. A six faced die is so biased that it is twice as likely to show an even number as
an odd number when thrown. It is thrown twice. what is the probability that the
sum of the two numbers thrown is even
a) 5/9
b) 9/5
c) 14/9
d) 4/9
A bag contains 6 white and 4 black balls one of the bag is chosen as random and
a draw of 2 balls is made from it. find the probability that one is white and the
other is black
a) 84/165
b) 165/84
c) 42/ 75
d) none of the above
In order to use DBMS, It is important to understand
a) The physical schema
b) All sub schema that system supports
c) one subschema
d) Both (a) and (b)
7. In SQL which command(s) is (are) used to enable/ disable a database trigger?
a) MODIFY USER
b) CHANGE USER
c) ALTER USER
d) NONE OF ABOVE
e) ALL OF ABOVE
8. Who developed the E-R Model?
a) Codd
b) Date
c) Chen
d) Bachman
9. What are the components of an E-R Model?
a) Entities.
b) Attributes
c) Relationships
d) All of the above
Let the sets A, B,C and U be as U= all students at a university, A= day students,
B=mathematics major, C= graduate students. Let #U = 16,000 ; #A = 9,000 ; #B =
300 and #C = 1,000. Also assume that tne number of day students who are majors
is 250, 50 out of which are graduate students, and that total number of day graduate
students is 700. Determine the number of students who are :
a) evening students
b) non-mathematical majors
c) undergraduates(day or evening)
d) day graduate non-mathematics majors.
e) Evening graduate students
f) Evening graduate mathematics majors
g) Evening undergraduate non-mathematics majors.
Which of the following is false?
-7-
a) Data stored in an array can be accessed faster that data stored in a disk file.
b) Data stored in an array needs to be entered only once, typically at the beginning
of the program.
c) Array allows the programmer to store information in the computers internal
memory.
d) When using arrays, you will have fewer variables names to remember.
e) None of the proceeding statements are false.
12. Elements in an array are identified by a unique _______
a) Data type
b) Order
c) Subscript
d) Symbol
What is the missing number?
20 / 0.8 = ?
18 Which is the largest fraction?
3/4 7/8 4/5 7/9 7/10
19. What is the missing number in the following series?
45/9 = 12 - ?
256 ? 64 32 16
3 9 27 ? 243
1 4 10 19 ?
No comments:
Post a Comment