BIS Scientist b Computer Science Question Paper Sample Model Paper.
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Which of the following file transfer
protocols use TCP and establishes
two virtual circuits between the local
and remote server ?
(A) FTP
(B) TFTP
(C) TELNET
(D) NFS
Frequency shift keying is used mostly in
(A) Radio transmission
(B) Telegraphy
(C) Telephone
(D) None of the above
The baud rate is
(A) always equal to the bit transfer
rate
(B) equal to twice the bandwidth
of an ideal channel
(C) not equal to the signalling rate
(D) equal to half of the bandwidth
of an ideal channel
Object code is the output of ______.
(A) Operating System
(B) Compiler or Assembler
(C) only Assembler
(D) only Compiler
‘Macro’ in an assembly level
program is _______.
(A) sub program
(B) a complete program
(C) a hardware portion
(D) relative coding
Advantage of synchronous sequential circuits over
asynchronous ones is
(A) faster operation
(B) ease of avoiding problems due to hazard
(C) lower hardware requirement
(D) better noise immunity
What is the transitive voltage for the voltage input of a CMOS operating from 10V supply ?
(A) 1V (B) 2V
(C) 5V (D) 10 V
What is decimal equivalent of BCD 11011.1100 ?
(A) 22.0 (B) 22.2
(C) 20.2 (D) 21.2
What will be the output of the following c-code ?
void main ( )
{
char *P = “ayqm” ;
char c;
c = ++*p ;
printf (“%c”, c);
}
(A) a (B) c
(C) b (D) q
The data type created by the data
abstraction process is called
(A) class
(B) structure
(C) abstract data type
(D) user defined data type
An entity instance is a single
occurrence of an _______.
(A) entity type
(B) relationship type
(C) entity and relationship type
(D) None of these
Grammar of the programming is checked at ________ phase of
compiler.
(A) semantic analysis
(B) code generation
(C) syntax analysis
(D) code optimization
WINDOWS is a _________ operating.
(A) Real time
(B) Multi-user
(C) Preemptive
(D) Non-preemptive
Generalization is _______ process.
(A) top-down
(B) bottom up
(C) both (A) & (B)
(D) None of these
Which data management language component enabled the DBA to define the schema components ?
(A) DML
(B) Sub-schema DLL
(C) Schema DLL
(D) All of these
The ______ field is the SNMP PDV reports an error in a response
message.
(A) error index
(B) error status
(C) set request
(D) agent index
End-to-End connectivity is provided from Last-to-Last in
(A) Network layer
(B) Session layer
(C) Transport layer
(D) Data link layer
Page making process from main
memory to disk is called
(A) Interruption
(B) Termination
(C) Swapping
(D) None of the above
A Dead-lock in an Operating System
is
(A) Desirable process
(B) Undesirable process
(C) Definite waiting process
(D) All of the above
The dynamic allocation of storage
areas with VSAM files is
accomplished by
(A) Hashing
(B) Control splits
(C) Overflow areas
(D) Relative recoding
Which of the following is the most general phase structured grammar ?
(A) Regular
(B) Context-sensitive
(C) Context free
(D) None of the above
What is the maximum operating rate of a wireless LAN using infrared
communication ?
(A) 1 mbps (B) 2 mbps
(C) 5 mbps (D) 11mbps
What services does the internet layer provide ?
1. Quality of service
2. Routing
3. Addressing
4. Connection oriented delivery
5. Framing bits
(A) 1, 2, 3 (B) 2, 3, 4
(C) 1, 3, 4, 5 (D) 2, 3, 4, 5
The cost of the network is usually determined by
(A) time complexity
(B) switching complexity
(C) circuit complexity
(D) none of these
A binary tree with 27 nodes has
_______ null branches.
(A) 54
(B) 27
(C) 26
(D) None of the above
Which of the following is an optimistic concurrency control
method ?
(A) Validation based
(B) Time stamp ordering
(C) Lock-based
(D) None of these
The time complexity to build a heap of n elements is
(A) 0(1)
(B) 0(lgn)
(C) 0(n)
(D) 0(nlgn)
Linear probing suffers from a problem known as
(A) Secondary clustering
(B) Primary clustering
(C) Both (A) and (B)
(D) None of these
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