HTET PGT COMPUTER SCIENCE KEYS 2014

HTET 2014 ANSWER KEYS PGT COMPUTER SCIENCE

SECTION-D(COMPUTER SCIENCE)[91-150] SET-C 

91) ............... function gives the total number of rows in a table.

Ans. (4)Count

92) Macros are run or executed from .............. menu.

Ans.(1)Tools

93) ................. function is used to read string.

Ans.(4) gets()

94) ................... keyword eliminates duplicate rows from the results of SELECT statement.

Ans.(2) DISTINCT

95)The multiple use of input or output operators in one statement is called................ .

Ans.(3) Cascading

96)Encapsulation is a way to implement ..............

Ans.(3) Data Abstraction

97) TCP connection is available at port ........ on HTTP.

Ans.(1) 80

98) A ................. is a pool of values from which the actual values appearing in a given column are drawn.

Ans.(2) Domain

99)In ............ sorting smallest key is taken again and again in unsorted array.

Ans.(4) Heap

100) A numbered list can be created by .............. .

Ans.(4) <ol>

101) In ............ insertion & deletion takes place only at top.

Ans.(4) Stack

102) ............... is a way to bind the data & its associated functions together which allows them to be hidden.

Ans. (3) Class

103) In SQL decimal data type, ................ indicates the number of significant digits the number is to have.

Ans. (1) Precision

104) A file which contains readymade styles that can be used in a presentation is called................ .

Ans. (2) Template

105) .................. are data items that never change the values during a program run.

Ans. (3) Literals

106) What is an Operating System?

Ans. (4) System Software

107)What is the last column in worksheet?

Ans. (2) IV

108) A Cpu's processing power is measured in ........... .

Ans. (1) IPS

109) ............ is not a type of formatting in MS-Word.

Ans.(4) Line

110) A ............. is a set of rules that are applicable for a network.

Ans.(2) Protocol

111) .................... shortcut key is used to insert a new slide in the document presentation.

Ans.(3) CTRL+M

112) .................. document acts as a contract between the developer and the customer.

Ans.(3) SRS

113) The number of attributes in a relation is called ............. .

Ans.(1) Degree

114) ................ first proposed the process of normalization.

Ans.(4) Edgar F. Codd

115) .............. refer to names of variable, function, array and Class created by the programmer.

Ans.(1) Identifier

116) ................ generations of computers started the use of operating systems.

Ans.(3) 3rd

117) FTP is a ......... layer mechanism of TCP/IP.

Ans.(1) Application

118) ................... tag is used for adding comments.

Ans.(2) //

119) Ckt Diagram........

Ans. ?

120) ...................... is not a physical tag.

Ans.(4) None of these

121) A ............ is a collection of data sent as a single message.

Ans.(1) Datagram

122) C++ was developed by ............ .

Ans.(4) Bjarne Stroustrup

123) When a user does not enter a value for a column, a value is automatically inserted in the field using ........... constraint.

Ans.(4) Default

124) ................ is an example of half duplex system.

Ans.(4) Walkie-Talkie

125) ................... command is used to move to a particular page number in a file.

Ans.(3) go to

126) A GUI is a ................ .

Ans.(3) Software Interface

127) ............... command gives virtual table with no data, but can be operated like any other table.

Ans.(3) CREATE VIEW

128) .............. generation of computers was rhe first to store instruction in their own memory.

Ans.(1) 2nd

129) When a function is defined inside a class, it is called ........... .

Ans.(2) Inline function

130) ............... is a file that contains data about data.

Ans.(3) Data Dictionary

131) A ....... operates  at the highest layer of network abstraction.

Ans.(1) Gateway

132) The problem of variable delay in video conferencing is removed using .............. .

Ans.(2) Timestamp

133) The size of 1-D array with UB as upperbound and LB as lowerbound is given by ................... .

Ans.(1) Array size(length)=UB-LB+1

134) Which feature help to insert the contents of clipboard as text without any formatting.

Ans.(1) Paste special

135) Decimal Conversion of (11A.62) base 16 gives .......... .

Ans.(4) (282.382) base 10

136) Which of the  following characters is used as a punctuator?

Ans.(1) #

137) What function display row data in a column & column data in row?

Ans.(4) Transpose

138) ............. is also called class interface.

Ans.(1) Member Function

139) ................... is an exit controlled loop.

Ans.(1) do-while

140) When two enteries about same data do not agree, the database is said to be ................ .

Ans.(1) Inconsistent

141) Two similar structures can have only .................... assignments.

Ans.(2) =

142) Overall System architecture is derived in ................. phase.

Ans.(2) Design ?

143) In CREATE TABLE SQL command, each table must have atleast .......... column.

Ans.(4) 1

144) The requested files used by web are stored in................ memory.

Ans.(3) Cache memory

145) ............... is  a universal gate.

Ans.(3) NOR

146) To introduce special effects in a slide show ............. is used.

Ans.(3) Slide Transition

147) Microprocessor based computers started in ........................ generations.

Ans.(4) 4th

148) If every 'non-key' attribute is functionally dependent on primary "key", then the relation is in .............. .

Ans.(2) 2NF

149) A ............... uses physical addresses.

Ans.(4) Bridges or may be gateway(3)

150) The ability to modify the data structure and not have to change the program using data is called................. .

Ans.(1) Data Independence

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