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QN1: Video teleconferencing means

a. Sitting together and seeing video film

b. A conference organized in TV studio

c. Seeing the conference on television

d. Sitting at distance and conferencing with the help of computer network

Answer: d. Sitting at distance and conferencing with the help of computer network

QN2: In the ‘information theory’ the information content of a message is measured by(Where pk is the probability of occurance of event)

a. I = pk log 1/pk

b. I = pk log Pk

c. I = log 1/pk

d. I = log pk

Answer: a. I = pk log 1/pk

QN3: The baud rate

a. is always equal to bit transfer rate

b. is equal to twice the bandwith of an ideal channel

c. is not equal to signalling rate

d. is equal to one half the bandwith of an ideal channel

Answer: b. is equal to twice the bandwith of an ideal channel

QN4: The code which provides parity check is

a. Baudot

b. ASCII

c. EBCDIC

d. CCITT – 2

QN5: Full duplex operation

a. Required two pair of cables

b. Can transfer data in both directions at once

c. Requires modems at both ends of the circuit

d. All of the above

Answer: d. All of the above

QN6: The RS – 232 C interface

a. Interconnects data sets and transmission circuits

b. Uses several different connectors

c. Permits custom wiring of signal lines to the conductor pins as desired

d. All of the above

Answer: a. Interconnects data sets and transmission circuits

QN7: Size of an integer in bytes is

a. 1 bytes

b. 2 bytes

c. 3 bytes

d. 4 bytes

QN8: Transistors are basically

a. Monostate devices

b. Bistate devices

c. Tristate devices

d. None of the above

QN9: The base of octal number system is

a. 200%

b. 800%

c. 1000%

d. 1600%

QN10: A hexadecimal digit can replace ___ bit binary number

a. 200%

b. 400%

c. 600%

d. 800%

QN11: The binary equivalent of decimal 18 is

a. 11101100%

b. 11000100%

c. 10010000%

d. 1001000%

QN12: Number of bits in an ASCII number

a. 600%

b. 700%

c. 800%

d. None of the above

QN13: 2’s complement of 11011 is

a. 10100%

b. 1011000%

c. 10000%

d. 111100%

QN14: Which of the following is not a essential part of computer system

b. Multi bus

c. Data bus

d. Control bus

QN15: The declaration of function in calling program is known as

a. Prototype

b. Passing argument

c. Reference

d. None of the above

QN16: Error which is diagnosed by compiler is

a. Semantic error

b. Logical error

c. Syntax error

d. None of the above

QN17: A derived data type is a combination of other already known types

a. “TRUE,”

b. “False,”

c. Partially True

d. None of the above

QN18: A two-dimensional array of character is known as an array of strings

a. “TRUE,”

b. “False,”

c. Sometimes True

d. None of the above

QN19: Which of the following is basic data type?

a. Array

b. Character

c. Structure

d. Union

QN20: The fastest memory is

a. Hard disk

b. Virtual memory

c. Cache memory

d. Magnetic tape

QN21: Which is not the correct size of hard disk?

a. 610 MB

b. 680 MB

c. 1.2 GB

d. 2.4 GB

QN22: A microprocessor is a complete CPU on a single chip

a. “TRUE,”

b. “False,”

c. Partially True

d. Cannot be determined

QN23: “In the file organisation, the access of records is slowest in”

a. Indexed sequential file organization

b. Sequential file organisation

c. Direct file organization

d. Relative file organization

QN24: The file organization in which each record has at least one pointer type field is

a. Sequential file organization

b. Randon file organization

d. None of the above

QN25: In order to reduce quantization noise in analog to digital conversion

a. Increase the number of standard amplitudes

b. Send pulses whose sides are more vertical

c. Use an Rf amplifier in the receiver

d. Increase the number of samples/record

Answer: a. Increase the number of standard amplitudes

QN26: To permit the selection of 1 out of 16 equiprobable events the number of bits required is

a. 200%

b. log10 16

c. 800%

d. 400%

QN27: RAM is

b. Volatile Memory

c. Random Access Memory

d. All of the above

QN28: Magnetic disks

b. Have data recorded in form of magnetized and non magnetized spots

c. Sequential acess devices

d. All of the above

QN29: The storage capacity of a Optical Disk is determined using

a. “Number of recording surface, number of tracks per surface, number of sectors per track”

b. physical dimensions of the disk

c. Weight of the diskl

d. None of the above

Answer: a. “Number of recording surface, number of tracks per surface, number of sectors per track”

QN30: Memory is organised into hierarchical way because

a. CPU cannot access main memory directly

b. Main memory cannot store large amount of data

c. Use of auxiliary storage increases speed of computation

d. None of the above

Answer: a. CPU cannot access main memory directly

QN31: Data backup is taken

a. To safegaurd data in case of catastrophic eventualities

b. To use the data set again and again

c. To supply data at high rate

d. None of the above

Answer: a. To safegaurd data in case of catastrophic eventualities

QN32: Which device uses laser beam technology to read and write data

a. Magnetic devices

b. Optical devices

c. Charged device

d. None of the above

QN33: Which of the following is not fitting with others

a. Trackball

b. Joystick

c. Mouse

d. Web Cam

QN34: Tick the odd one out

a. Windows

b. DOS

c. LINUX

QN35: Output printed through a printer is referred to as

a. Soft copy output

b. Hard copy output

c. Temporary copy output

d. Volatile output

QN36: Plotters are very useful in application such as

a. Financial accounting

b. Word processing

c. Computer aided design

d. All of the above

QN37: “High quality, high speed, high volume and non-impact are terms associated with”

a. Laser printers

b. Dot Matrix printers

c. Inkjet printers

d. Plotters

QN38: Point the odd one out

a. Sound

b. Animation

c. Graphics

d. WWW

QN39: Which of the following cannot be classified as sysytem software

a. Linux

b. Windows 2000

c. MS Dos

d. Oracle

QN40: Which of the these cannot be considered as an element of Multimedia computer

a. CD ROM

b. Speakers

c. Microphone

d. None of the above