BSNL Telecom Technical Assistant Exam Model Paper-11
BSNL Telecom Technical Assistant Exam Model Paper-12
BSNL Telecom Technical Assistant Exam Model Paper-13
BSNL Telecom Technical Assistant Exam Model Paper-14
BSNL Telecom Technical Assistant Exam Model Paper-15
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Q.1.What is the name of the software that allows us to browse through web pages?
Browser
Mail Client
FTP Client
Messenger
Q.2.What is the address given to a network called?
System Address
Sys ID
Process ID
IP Address
Q.3.Which one of the following is a valid DOS command?
LIST *.*
LIST???.
RECOVER A:
RENAME A:SAMPLE.TXT C:TEST.DOC
Q.4.All system settings in WINDOWS are stored in:
CONTROL.INI
MAIN.INI
SYSTEM.INI
SETTING.INI
Q.5.Which number system is usually followed in a typical 32-bit computer?
2
10
16
32
Q.6.Which of the following is not an output device:
Printer
Scanner
Flat Screen
Touch Screen
Q.7.A microprocessor is a processor with reduced
instruction set
power requirement
MIPS performance
none of the above
Q.8.Which of the following is not an output of an assembler?
executable program
source listing with line numbers and errors
a symbol table
object program
Q.9.Which layer of OSI model is responsible for routing and flow control:
Presentation
Transport
Network
Data Link
Q.10.Arrays are passed as arguments to a function by
value
reference
both a and b
none of the above
Q.11.Array is:
linear data structure
non-linear structure
none of the above
Q.12.A data structure in which elements are added and removed from only one end, is known as:
Array
Stack
Queue
None of the above
Q.13.C language is available for which of the following Operating Systems?
DOS
Windows
Unix
All of the above
Q.14.A diamond-shaped box in an Entity-Relationship diagram refers to:
Entity
Relationship
Attribute
Q.15.Which of the following statements in regard to Directories is false?
Directories can exist inside directories
The root directory is always at the highest level
Directories with files can be deleted
Directories cannot be renamed
Q.16.The principle means of identifying entities within an entity set is:
Primary Key
Record
Attribute
Tuple
Q.17.Modem refers to:
Modulator
Modulation
Demodulator
Modulator and Demodulator
Q.18.Which one of the following is not a Normal Forms (Normalization) rule with regards to the Relational Model?
All fields within a table must relate to or directly describe the Primary Key.
Repeating Groups must be eliminated from tables.
Fields that can contain non-numeric data are to be removed and placed within their own tables with an associated Primary Key.
Redundant data is to be eliminated by placing the offending fields in another table.
Q.19.What is a file server?
A computer that performs a service for other computers
A computer that controls the printers on the network
A computer that stores files that are created by network users
Q.20.If c is a variable initialized to 1, how many times the following loop be executed: while(c>0 && c<60) { c++; }
59
60
61
none of the above
Q.21.Which of the following have the fastest access time?
Magnetic Tapes
Magnetic Disks
Semiconductor Memories
Compact Disks
Q.22.DMA stands for:
Direct Memory Allocation
Distinct Memory Allocation
Direct Memory Access
Distinct Memory Access
Q.23.It is better to buffer a table when
When a table is read infrequently
When a table is linked to check tables
When a table is read frequently and the data seldom changes
When a single record is to be picked up
Q.24.Array subscripts in C always start at:
1
0
1
Value provided by user
Q.25.Which type of commands in DOS needs additional files for their execution?
Batch Commands
Internal Commands
External Commands
Q.26.The Operating System is responsible for:
Controlling peripheral devices such as monitor, printers, disk drives
Provide an interface that allows users to choose programs to run and to manipulate files
Manage users’ files on disk
All of the above
Q.27.RAM stands for
Read Access Memory
Read After Memory
Random Access Memory
Random After Memory
Q.28.A company whishes to connect two sites in different parts of the country together. It is decided to use the telephone system. What device should be connected to the fileservers on each site?
Router
Modem
Switch
Hub
Q.29.What is the Protocol used for the Internet?
IPX/SPX
NetBIOS/NetBEUI
CDMA/CA
TCP/IP
Q.30.A floppy disk is consisting of 40 tracks, each track contains 100 sectors, and the capacity of a sector is 512 bytes, what is the approx. size of that disk?
1 MB
2 MB
4 MB
8 MB
Q.31.Choose the answer which best describes the term Primary Key:
The Primary Key is a field that contains data that can be duplicated.
The Primary Key is a field that contains data that is unique.
The Primary Key is a field that is never associated with any field in other tables.
The Primary Key field is a concept used only in Microsoft Access.
Q.32.Which technique is used to reduce the size of a file:
Compression
Decompression
Encryption
Decryption
Q.33.BIOS stands for
Binary Input Output Set
Binary Input Output System
Basic Input Output Set
Basic Input Output System
Q.34.What is the binary equivalent of a decimal number 68:
1000100
1100100
1000010
1000001
Q.35.The declaration void fun(int) indicates the fun is a function which:
has no arguments
returns nothing
both a and b
none of the above
Q.36.Assembly language to machine language translation is:
One-to-One
One-to-Many
Many-to-One
Many-to-Many
Q.37.An RDBMS is a:
Remote DBMS
Relative DBMS
Reliable DBMS
Relational DBMS
Q.38.Maximum size of IP address is:
12 bits
24 bits
32 bits
48 bits
Q.39.The overall logical structure of a database can be expressed graphically by:
Data Flow Diagram
Flow Chart
Directed Graph
Entity-Relationship Diagram
Q.40.What is the final value of sum? main () { int sum=1; for(;sum<=9;) printf(%d\n, ++sum); }
9
10
11
none of the above
Q.41.Cache memory enhances:
memory capacity
memory access time
secondary storage capacity
secondary storage access time
Q.42.Out of the following which is not valid network topology:
Bus
Star
Circle
Tree
Q.43.CARRY, in a half-adder, can be obtained using:
OR gate
AND gate
EX-OR gate
EX-AND gate
Q.44.The memory that requires refreshing of data is:
SROM
DROM
SRAM
DRAM
Q.45.A gigabyte represents:
1 billion bytes
1000 kilobytes
230 bytes
10 megabytes
Q.46.The minimum number of bits required to represent numbers in the range:28 to +31 is-
5
6
7
8
Q.47.Which bus carries information between processors and peripherals?
Data bus
Control bus
Address bus
Information bus
Q.48.Which part of the computer perform arithmetic calculations?
Control unit
Registers
ALU
CPU
Q.49.The minimum number of bits required to store the hexadecimal number FF is:
2
4
8
16
Q.50.A UPS:
increases the storage capacity of a computer system
increases the processor speed
provides backup power in the event of a power cut\
none of the above
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