Tuesday 30 December 2014

Computer Knowledge 10


1. Modem refers to:
(a) Modulator
(b) Modulation
(c) Demodulator
(d) Modulator and Demodulator
Answer: d

2. The principle means of identifying entities within an entity set is:
(a) Primary Key
(b) Record
(c) Attribute
(d) Tuple
Answer: d

3. Data in a database can be added, deleted, changed, sorted or searched all using a _________.
A. DBMS
B. SQL
C. C++
D. Java
ANSWER: A

4. DBMS stands for:
A. Database associated
B. Database administrator
C. Database application
D. Database management system
ANSWER: D

5. A database is a complex ______:
A. Data structure
B. Memory
C. Both
D. None
ANSWER: A

6. A diamond-shaped box in an Entity-Relationship diagram refers to:
(a) Entity
(b) Relationship
(c) Attribute
Answer: b

7. A data structure in which elements are added and removed from only one end, is known as:
(a) Array
(b) Stack
(c) Queue
(d) None of the above
Answer: b

8. Array is:
(a) linear data structure
(b) non-linear structure
(c) none of the above
Answer: a

9. Arrays are passed as arguments to a function by
(a) value
(b) reference
(c) both a and b
(d) none of the above
Answer: c

10. Which of the following is not an output device:
(a) Printer
(b) Scanner
(c) Flat Screen
(d) Touch Screen
Answer: b

11. Which number system is usually followed in a typical 32-bit computer?
(a) 2
(b) 10
(c) 16
(d) 32
Answer: a

12. What is the address given to a network called?
(a) System Address
(b) SYSID
(c) Process ID
(d) IP Address
Answer: d

13. What is the name of the software that allows us to browse through web pages?
(a) Browser
(b) Mail Client
(c) FTP Client
(d) Messenger
Answer: a

14. All system settings in WINDOWS are stored in:
(a) CONTROL.INI
(b) MAIN.INI
(c) SYSTEM.INI
(d) SETTING.INI
Answer: c                                                                    BSNL TTA Question Paper

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