ComputerScience Quiz 8

B+ tree are preferred to binary tree in Database because
A) Disk capacity are greater than
memory capacities
B)Disk access is much slower than
memory access 
C) Disk data transfer rates are much
less than memory data transfer
rate
D) Disks are more reliable than
memory

ans:B

A 2MB PCM(pulse code modulation) has
A) 32 channels
B) 30 voice channels & 1 signaling channel.
C) 31 voice channels & 1 signaling channel.
D) 32 channels out of which 30 voice channels, 1 signaling channel, & 1 Synchronization channel.
Ans: (c)

Time taken for 1 satellite hop in voice communication is
a) 1/2 second
b) 1 seconds
c) 4 seconds
d) 2 seconds
Ans: (a)

Max number of satellite hops allowed in voice communication is :
a) only one
b) more than one
c) two hops
d) four hops
Ans: (c)

What is the max. decimal number that can be accommodate in a byte.
a) 128
b) 256
c) 255
d) 512
Ans: (c)

Conditional results after execution of an instruction in a micro processor
is stored in
a) register
b) accumulator
c) flag register
d) flag register part of PSW(Program Status Word)
Ans: (d)

Frequency at which VOICE is sampled is
a) 4 Khz
b) 8 Khz
c) 16 Khz
d) 64 Khz
Ans: (a)

Line of Sight is
a) Straight Line
b) Parabolic
c) Tx & Rx should be visible to each other
d) none
Ans: (c)

network type is a specifically designed configuration of
computers and other devices located within a confined area?
A Peer-to-peer network
B Local area network
C Client/server network
D Wide area network

ans:B Local area network

In which network type does each host on the LAN has the same
authority as other hosts?
A Peer-to-peer network
B Local area network
C Client/server network
D Wide area network

ans:A Peer-to-peer network

SHARE

About df