Computer Quiz

Q1. _________ signaling method handles a relatively wide range of frequency?
a. Broadband 
b. DLF
c. Dial-up
d. both 1 and 3
e. None of these

Q2. Block on buffer caches are used ……?
a. to handle interrupts
b. to increase capacity of main memory
c. to improve disk performance
d. to speed up main memory read operation
e. None of these

Q3. The term ____________ designate equipment that might be added to a computer system to enhance its functionality.
a. Digital device
b. system add
c. Disk Pack
d. Peripheral device
e. None of these

Q4. ________ technology is used in high-quality flat-panel displays, such as laptop screens and thin computer monitors.
a. Active-Matrix
b. ACL
c. Access Point
d. Abend
e. None of these

Q5. A device designed to read information encoded onto a small plastic card is.
a. Light pen
b. Punch card
c. Magnetic tape
d. Bar Code decoder
e. Badge Reader

Q6. __________ is a list of user permissions for a file, folder, or other object.
a. LAN
b. web
c. hypertext
d. ACL
e. None of these

Q7. The property that when classes are arranged in a hierarchy, each class assumes the attributes and methods of its ancestors is …..?
a. generalization
b. inheritance
c. encapsulation
d. information hiding
e. None of these

Q8. ________ perform basic logical functions and are the fundamental building blocks of digital integrated circuits?
a. user interface
b. database
c. logic gates 
d. controllers 
e. model base

Q9. Which of the following has the features of “write once, run anywhere”(WORA)?
a. C
b. PHP
c. C++
d. Java
e. None of these

Q10. An E-R diagram is a graphic method of presenting 
a. primary keys and their relationships
b. primary keys and their relationships to instances
c. entity classes and their relationships
d. entity classes and their relationships to primary keys 
e. None of these

Answers:

1. a
2. c
3. d
4. a
5. e
6. d
7. b
8. c
9. d
10. c