A database consists of various components called:
1.Tools
2.Properties
3.Entities
4.Objects
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A primary key that consists of more than one attribute is called a
1.Foreign key
2.Composite key
3.Multivalued key
4.Global key
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A space in computers memory set aside for some data that can be changed is called
1.Variable
2.Constant
3.Integer
4.Floating Point
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Access time for most of memories is measured in:
1.Microseconds
2.Milliseconds
3.Nanoseconds
4.Megahertz
Posted Date:-2021-07-28 08:47:59
An 8-bit address bus can address a memory of ?
1.1 Byte
2.8 Bytes
3.256 bits
4.256 Bytes
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An attribute in database is also known as
1.Tuple
2.Relation
3.Row
4.Field
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An important property of fiber optic is
1.Refraction
2.Reflection
3.Interface
4.None Of These
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Another term for a conditional operator is:
1.Binary
2.Iteration
3.Selective
4.Ternary
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ATM stands for?
1.Automatic Talking Machine
2.Automatic Teller Machine
3.Analog Teller Machine
4.Automatic Ticketing Machine
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Boolean algebra is also known as?
1.Logical algebra
2.Code algebra
3.Switching algebra
4.Digital algebra
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C language was developed by
1.Van Neumann
2.Dennis Ritchie
3.Charles Babbage
4.John Backus
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Different attributes in two different tables having same name are referred to as
1.Acronym
2.Synonym
3.Homonym
4.Mutually exclusive
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File compression utilities can reduce the file size by
1.10%
2.60%
3.80%
4.100%
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First generation language uses?
1.Pseudo code
2.Binary code
3.Mnemonics code
4.Decimal code
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In BASIC LOG function refers to natural logarithm have Base ?
1.2
2.10
3.5
4.e
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In C language, .exe file is produced by ?
1.Linker
2.Loader
3.Compiler
4.Interpreter
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In which of the flowchart symbols, the statement IS A > B is placed?
1.Connector
2.Rectangular
3.Parallelogram
4.Diamond
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Name the error which you think to exist in the formula C=C*D/C.
1.Logical
2.Syntax
3.Execution
4.None of these
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On execution of PRINT FIX(-6.83),the output will be ?
1.6
2.6.83
3.-6
4.-7
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One of the first recognized calculating device was?
1.Abacus
2.Analytical engine
3.Difference engine
4.None of these
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Pentium II is a __________ generation computer.
1.second
2.third
3.fourth
4.fifth
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SQL is a/an
1.Unstructured language
2.Structured language
3.Object oriented language
4.Software
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The command that is not present on edit menu?
1.Font
2.GoTo
3.Find
4.Ctrl+z
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The first computer that used vacuum tubes was?
1.Mark I
2.ENIAC
3.EDVAC
4.UNIVAC
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The instructions that are given to the compiler before the beginning of actual program are
1.C statements
2.Preprocessor directive
3.Linking instructions
4.C instructions
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The loop which never ends is called:
1.Infinite loop
2.Running loop
3.Continuous loop
4.Nested loop
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The NT in Windows NT stands for ?
1.Not Tested
2.Network Technology
3.Network Terminal
4.New Technology
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The number of Bytes used by char data type in C is?
1.2
2.1
3.3
4.4
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The number of colors a CGA monitor displays are ?
1.4
2.16
3.64
4.256
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The number of read/write heads for a hard disk of four platters are
1.4
2.6
3.8
4.16
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The process to convert analog signals into digital signals is called
1.Modulation
2.Demodulation
3.Digitization
4.Conversion
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The programs which are permanent and stored in ROM are known as ?
1.Utility Programs
2.Firmware
3.System softwares
4.None of these
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The radix of a computerized version of number (+0.66E-4) is ?
1.4
2.6
3.2
4.8
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The statement to reserve memory locations for an array M arranged in 12 columns and 20 rows may be ?
1.DIM(12,20)
2.DIMM(20,12)
3.M(240)
4.DIMM(12,20)
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The total number of keywords in C are:
1.60
2.42
3.32
4.50
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UNIVAC stands for ?
1.Universal Automatic Computer
2.Universal Array Computer
3.Unvalued Automatic Computer
4.Unique Automatic Computer
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What does CIM stand for?
1.Computer Integrated Manufacturing
2.Copy In Memory
3.Computer International Management
4.Computer Intel Marketing
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Which key combination is used to run C program:
1.Alt+F9
2.Ctrl+S
3.Alt+F5
4.Ctrl+F9
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Which of the database objects allows to extract specific information from tables?
1.Queries
2.Forms
3.Reports
4.Records
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Which of the following components is used to convert first .c to first .exe?
1.Compiler and header
2.Header and linker
3.Compiler and linker
4.Compiler only
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Which of the following is a 16-bit code?
1.BCD
2.Unicode
3.ASCII
4.EBCDIC
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Which of the following is not a pointing device?
1.Mouse
2.Joystick
3.Trackball
4.None of these
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Which of the following memories can be re-written by using electrical devices?
1.PROM
2.ROM
3.EEPROM
4.EPROM
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Which of the following protocols is used by World Wide Web(www)?
1.TCP/IP
2.Ethernet
3.FTP
4.HTTP
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Which of the following statements transfers control unconditionally?
1.GOTO
2.FOR NEXT
3.IF THEN
4.ON GOTO
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Which of the following terms is related to the features of cascading deletion?
1.Data integrity
2.Data redundancy
3.Referential integrity
4.Indexing
Posted Date:-2021-07-28 08:47:59
Which of the followings is a valid statement for declaring a Variable In C ?
1.int marks;
2.int a,b,c;
3.double salary;
4.All of these
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Which register normally functions as a 16-bit counter that controls the sequence in which the instructions are fetched from memory?
1.PC
2.IR
3.DR
4.DAR
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Who is known as Father of Computer Science ?
1.Charles Babbage
2.Howard Aiken
3.Dr.Herman Hollerith
4.Blaise Pascal
Posted Date:-2021-07-28 08:47:59
___________ virus is a polymorphic virus. Polymorphic means changes nature with passage of time.
1.Redlof
2.Torjan Horse
3.Chernobal
4.Logic Bomb
Posted Date:-2021-07-28 08:47:59