Computer Science

Among the given options, _____ must reside in Main Memory

• Assembler

• Compiler

• Linker

• Loader

______ symbol is used to denote Derived Attribute in ER - Model

• Dashed Ellipse

• Square Ellipse

• Ellipse with Attribute

• Rectangle

The ALU uses _____ to store intermediate results

• Cache

• Registers

• Accumulator

• Stack

Testing of software with actual data and in actual environment is called

• Alpha Testing

• Beta Testing

• Regression Testing

• Coupling Testing

The hexadecimal number equivalent of the octal number 632 is

• 19A

• 198

• 29A

• 291

The way a card game player arranges his cards as he picks them up one by one is an example of

• Bubble Sort

• Selection Sort

• Insertion Sort

• Merge Sort

In Round Robin CPU Scheduling, as the time quantum is increased, the average turn - around time

• increases

• decreases

• remain constant

• varies irregulary

Given the Functional Dependencies for the attributes X, Y & Z:

X --> W; X -->Y; Y --> Z.

Which of the following does not hold good?

• X-->Z

• W-->Z

• X-->WY

• Y-->W

Which layer of OSI model is responsible for compression and decompression of data?

• Application Layer

• Presentation Layer

• Session Layer

• Transport Layer

Which memory unit has lowest access time?

• Cache

• Registers

• Magnetic Disk

• Main Memory