Online MCQ Assignment Answer
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 Answer
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 Answer
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 Answer
QN4: The code which provides parity check is
a. Baudot
b. ASCII
c. EBCDIC
d. CCITT – 2
Answer: b. ASCII Answer
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 Answer
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 Answer
QN7: Size of an integer in bytes is
a. 1 bytes
b. 2 bytes
c. 3 bytes
d. 4 bytes
Answer: b. 2 bytes Answer
QN8: Transistors are basically
a. Monostate devices
b. Bistate devices
c. Tristate devices
d. None of the above
Answer: b. Bistate devices Answer
QN9: The base of octal number system is
a. 200%
b. 800%
c. 1000%
d. 1600%
Answer: b. 800% Answer
QN10: A hexadecimal digit can replace ___ bit binary number
a. 200%
b. 400%
c. 600%
d. 800%
Answer: b. 400% Answer
QN11: The binary equivalent of decimal 18 is
a. 11101100%
b. 11000100%
c. 10010000%
d. 1001000%
Answer: d. 1001000% Answer
QN12: Number of bits in an ASCII number
a. 600%
b. 700%
c. 800%
d. None of the above
Answer: b. 700% Answer
QN13: 2’s complement of 11011 is
a. 10100%
b. 1011000%
c. 10000%
d. 111100%
Answer: a. 10100% Answer
QN14: Which of the following is not a essential part of computer system
a. Address bus
b. Multi bus
c. Data bus
d. Control bus
Answer: b. Multi bus Answer
QN15: The declaration of function in calling program is known as
a. Prototype
b. Passing argument
c. Reference
d. None of the above
Answer: a. Prototype Answer
QN16: Error which is diagnosed by compiler is
a. Semantic error
b. Logical error
c. Syntax error
d. None of the above
Answer: c. Syntax error Answer
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
Answer: a. “TRUE,” Answer
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
Answer: b. “False,” Answer
QN19: Which of the following is basic data type?
a. Array
b. Character
c. Structure
d. Union
Answer: b. Character Answer
QN20: The fastest memory is
a. Hard disk
b. Virtual memory
c. Cache memory
d. Magnetic tape
Answer: c. Cache memory Answer
QN21: Which is not the correct size of hard disk?
a. 610 MB
b. 680 MB
c. 1.2 GB
d. 2.4 GB
Answer: a. 610 MB Answer
QN22: A microprocessor is a complete CPU on a single chip
a. “TRUE,”
b. “False,”
c. Partially True
d. Cannot be determined
Answer: a. “TRUE,” Answer
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
Answer: b. Sequential file organisation Answer
QN24: The file organization in which each record has at least one pointer type field is
a. Sequential file organization
b. Randon file organization
c. Linked file organization
d. None of the above
Answer: c. Linked file organization Answer
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 Answer
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%
Answer: d. 400% Answer
QN27: RAM is
a. Read write memory
b. Volatile Memory
c. Random Access Memory
d. All of the above
Answer: c. Random Access Memory Answer
QN28: Magnetic disks
a. Are read only devices
b. Have data recorded in form of magnetized and non magnetized spots
c. Sequential acess devices
d. All of the above
Answer: c. Sequential acess devices Answer
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” Answer
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 Answer
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 Answer
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
Answer: a. Magnetic devices Answer
QN33: Which of the following is not fitting with others
a. Trackball
b. Joystick
c. Mouse
d. Web Cam
Answer: b. Joystick Answer
QN34: Tick the odd one out
a. Windows
b. DOS
c. LINUX
d. GOOGLE
Answer: d. GOOGLE Answer
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
Answer: b. Hard copy output Answer
QN36: Plotters are very useful in application such as
a. Financial accounting
b. Word processing
c. Computer aided design
d. All of the above
Answer: c. Computer aided design Answer
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
Answer: a. Laser printers Answer
QN38: Point the odd one out
a. Sound
b. Animation
c. Graphics
d. WWW
Answer: d. WWW Answer
QN39: Which of the following cannot be classified as sysytem software
a. Linux
b. Windows 2000
c. MS Dos
d. Oracle
Answer: d. Oracle Answer
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
Answer: a. CD ROM Answer
