30 March, 2013

IBPS Specialist Officer Exam Questions..Very Important Part-3



Question:1
A remote batch-processing operation in which data is solely input to a central computer would require
a. telegraphp line
b. simplex lines
c. mixed bad channel
d. all of above

Question 2:
A band is always equivalent to 
a. a byte
b. a bit
c. 100 bits
d. none of above

Question 3:
The loss in signal power as light travels down the fiber is called
a. attenuation
b. progragation
c. scattering
d. interruption

Question 4:
Avalanche photodiode receivers can detect bits of transmitted data by receiving
a. 100 photons
b. 200 photons
c. 2000 photons
d. 300 photons

Question 5:
Communiction circuits that transmit data in both directions but not at the same time are operating in
a. a simplex mode
b. a half duplex mode
c. a full duplex mode
d. an asynchronous mode

Question 6:
An example of a medium speed, switched communications service is
a. series 1000
b. data phone 50
c. DDD
d. All of the above

Question 7:
In communication satellite, multiple repeaters are known as
a. detector
b. modulator
c. stations
d. transponders

Question 8:
While transmitting odd-parity coded symbols, the number of zeros in each symbol is
a. odd
b. even
c. a and b both
d. unknown

Question 9:
Data communications monitors available on the software marked include
a. ENVIRON/1
b. TOTAL
c. BPL
d. Telnet

Question 10:
An example of an analog communication method is
a. laser beam
b. microwave
c. voice grade telephone line
d. all of the above

Answers

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

28 March, 2013

IBPS Specialist Officer Exam Questions..Very Important PART -2



Question 1:
The interactive transmission of data within a time sharing system may be best suited to 
a. simplex lines
b. half-duplex lines
c. full duplex lines
d. biflex-lines

 Question 2:
Which of the following statement is incorrect?
a. The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission.
b. Half duplex line is a communication line in which data can move in two directions, but not at the same time.
c. Teleprocessing combines telecommunications and DP techniques in online activities
d. Batch processing is the prefered processing mode for telecommunication operation.

Question 3:
Which of hte following is considered a broad band communication channel?
a. coaxial cable
b. fiber optics cable
c. microwave circuits
d. all of above

Question 4:
Which of the following is not a transmission medium?
a. telephone lines
b. coaxial cables
c. modem- Its a Connecting Device as asked in interview not Interconnecting Device
d. microwave systems

Question 5:
Which of the following does not allow multiple uses or devices to share one communication line?
a. doubleplexer
b. multiplexer
c. concentrator
d. controller

Question 6:
Which of the following signal is not standard RS-232-C signal?
a. VDR
b. RTS
c. CTS
d. DSR

Question 7:
Which of the following statement is incorrect?
a. Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line
b. HDLC is a standard synchronous communication protocol.
c. RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCW indicates that it is ready to accept data
d. RTS/CTS is the way the terminal indicates ringing

Question 8:
Which of the following is an advantage to using fiber optics data transmission?
a. resistance to data theft
b. fast data transmission rate
c. low noise level
d. all of above

Question 9:
Which of the following is required to communicate between two computers?
a. communications software
b. protocol
c. communication hardware
d. all of above including access to transmission medium

Question 10:
The transmission signal coding method of TI carrier is called
a. Bipolar
b. NRZ
c. Manchester
d. Binary

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

26 March, 2013

IBPS Specialist Officer Exam Questions..Very Important Questions



IBPS-SO 1
In OSI network architecture, the dialogue control and token management are responsibility of
a. session layer
b. network layer
c. transport layer
d. data link layer
e. none of above

IBPS-SO 2
In OSI network architecture, the routing is performed by
a. network layer
b. data link layer
c. transport layer
d. session layer
e. none of above

IBPS-SO 3
Which of the following performs modulation and demodulation?
a. fiber optics
b. satellite
c. coaxial cable
d. modem
e. none of the above

IBPS-SO 4*
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:
a. modulation
b. demodulation
c. synchronizing
d. digitising - Answer

IBPS-SO 5
How many OSI layers are covered in the X.25 standard?
a. Two
b. Three
c. Seven
d. Six
e. None of above

IBPS-SO 6
Layer one of the OSI model is
a. physical layer
b. link layer
c. transport layer
d. network layer
e. none of above

IBPS-SO 7
The x.25 standard specifies a 
a. technique for start-stop data
b. technique for dial access
c. DTE/DCE interface
d. data bit rate
e. none of above

IBPS-SO 8
Which of the following communication modes support two-way traffic but in only one direction at a time?
a. simplex
b. half duplex
c. three-quarters duplex
d. all of the above
e. none of the above

IBPS-SO 9
Which of the following might be used by a company to satisfy its growing communications needs?
a. front end processor
b. multiplexer
c. controller
d. concentrator
e. all of the above

IBPS-SO 10
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
a. 4
b. 2
c. 6
d. 3
3. none of the above


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

24 March, 2013

Toughest Questions of COMPUTER KNOWLEDGE


Toughest Questions of COMPUTER KNOWLEDGE 
1. Process of finding/ correcting program errors is—
(A) Bugs (B) Debugging
(C) Hacking (D) Cracking
Ans : (B)

2. Diagnostic routines is a— Tough
(A) Programs used to print error messages
(B) Indicates system problems and improper program instructions.

(C) Both A & B are true
(D) None of these
Ans : (C)

3. The term DBMS is referred to— 
(A) Data Base Management system
(B) The software used for the management, maintenance and retrieval of the data stored in a data base

(C) A & B both true
(D) None of these
Ans : (C)

4. The speed at which data is transferred from the main memory to another medium on which data are recorded is referred as— Tough
(A) Data transfer rate (B) Byte
(C) Buds (D) None of these
Ans : (A)

5. The time period during which a computer is malfunctioning or not operating correctly due to machine failures is referred as— Tough
(A) Downtime (B) Uptime
(C) Runtime (D) None of these
Ans : (A)

6. EBCDIC is—Toughest
(A) 6-bit coding system (B) 7-bit coding system
(C) 8-bit coding system (D) 9-bit coding system
Ans : (C)
EBCDIC is  8 bit, ASCII is 7 bit, and 
The BCD (Binary Coded Decimal) system uses bits, Extended ASCII uses 8 bit code
7. A data communication facility on which data can be transmitted in two directions is referred as—
(A) Duplex (B) Simplex
(C) Triplex (D) None of these
Ans : (A)

8. Electronic Mail /Message System (EMMS) is similar or best suits to—Tough
(A) Postal service (B) Telephone service
(C) Telegraph service (D) None of these
Ans : (A)

9. Digital Computer is a computer—Tough
(A) that works with discrete quantities (B) that works with analog quantities
(C) Both A & B (D) None of these
Ans : (A)

10. The subdivision of fields—Tough
(A) always done to give the programmer greater flexibility
(B) dependent on programming language used
(C) never accomplished on fields containing numeric data
(D) all the above
Ans : (B)

11. The primary memory of a personal computer consists—
(A) ROM only (B) RAM only
(C) Both ROM and RAM (D) memory module
Ans : (C)


12. Microsoft Excel is?
(A) financial planning package (B) electronic spreadsheet
(C) graphics package (D) data-base management package
Ans : (B)

13. All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as?
(A) typematic keys (B) functional keys
(C) automatic keys (D) alphabetic keys
Ans : (A) Tough

14. Distributed data processing configuration where all activities passes through a centrally located computer is—
(A) ring network (B) spider network
(C) hierarchical network (D) data control network
Ans : (B) Tough

15. Communications device, combines transmissions from several devices into on line is ?
(A) concentrator (B) modifier
(C) multiplexer (D) full-duplex line
Ans : (C) Tough

16. Data communications involving telegraph lines uses—
(A) simplex lines (B) wideband channels
(C) narrowband channels (D) Dialed service
Ans : (C) Tough

17. A semiconductor memory which allows the eraser of the information stared in it so that new information can be stared in it is referred as—
(A) EPROM (B) ROM
(C) RAM (D) None of these
Ans : (A) Tough

18. Extended ASCII uses
(A) 8 bits for coding (B) 9 bits for coding
(C) 10 bits for coding (D) 11 bits for coding
Ans : (A) Toughest

19. A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is—
(A) Facsimile (FAX) (B) Telephone
(C) Photocopier (D) None of these
Ans : (A)

20. A data transmission medium made of tiny threads of glass or plastic that can transmit huge amount of information at the speed of light is—
(A) Fiber optic cable (B) Copper cable
(C) Twisted wire cable (D) None of these
Ans : (A)

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