BIS Scientist B Computer Engineering Question 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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Answered By StudyChaCha Member