Published On: Sun, Mar 13th, 2011

Computer GK Series-Computer General Knowledge for Exams

Who is credited with the creation of WWW
Answer : Tim Berners-Lee

Which of the following is not a web browser
Answer :HTML

MIME is associated with the following
Answer :E mail

The mode of communication in which transmission can be bidirectional. But in only one direction at a time is called
Answer :Half Duplex

Error detection at the data link layer is achieved using
Answer :CRC codes

In Serial communication, start and stop bits are used for
Answer :Synchronization

In a transmitter, the unmodulated signal is known as
Answer :Baseband signal

In a computer network, routing issues are handled in
Answer :Network Layer

In a computer network, functions of dialog management and synchronization are taken care of in the Answer :Session’s layer

Which of the following topologies has the highest reliability
Answer :Mesh

In data communications, bauds signify ———- rate
Answer :Signaling

ADSL is abbreviation for
Answer :Asymmetric Digital Subscriber Line

The topmost layer in the ISO model that needs to be implemented in an intermediate node is the ———–layer

Answer :Network

VPN denotes a

Answer :Virtual Private Network

Data rate of a ring network is 20Mbps and signal propagates at 200m/µsec. The number of bits that can be placed on the channel of length 200km is

Answer :20000bits

The frequency range over which coaxial cables are typically used is

Answer :106 to 108 Hz

In internet, the well known port 21 refers to the application

Answer :FTP

The maximum data rate possible through a noise free 4 kHz binary channel is

Answer :8000 bps

The transparency provided in a distributed system where users cannot tell how many copies of a resource exist is termed as

Answer :Replication transparency

Which of the following configurations can be said to be tightly coupled

Answer :Shared memory multiprocessors

In distributed systems, RPC stands for

Answer :Remote Procedure Call

Assume there are 4 file servers each with a 0.95 chance of being up at any instant. Probability of at least
one being available is

Answer :1-(.05)4

Which of the following category of classification of multiple computer systems is not generally used in practice

Answer :MISD

. In a distributed system, to ensure that concurrent transactions do not interfere with each other, the transactions must have the following specific property

Answer :Serializability

Translation Lookaside Buffer(TLB) is also called

Answer :Associative Memory

In Internet Standards Terminology, RFC refers to

Answer :Request For Comments

. Which of the following denotes a network management protocol in an internet

Answer :SNMP

IEEE 802.11 is an IEEE standard for

Answer :Wireless LAN

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