Names for Sub procedures must begin with a(n) ________ and cannot contain any spaces

Fill in the blank(s) with correct word


letter

Computer Science & Information Technology

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You are writing bulletproof input. Describe a simple situation in this setting where you need to know what character has been entered by the user of your program before you remove it from the input stream. Just describe the setting, do not attempt to write code for this.

What will be an ideal response?

Computer Science & Information Technology

Explain why serial equivalence requires that once a transaction has released a lock on an object, it is not allowed to obtain any more locks.

A server manages the objects . The server provides two operations for its clients:

read (i) returns the value of

write(i, Value) assigns Value to

The transactions T and U are defined as follows:



T: x= read (i); write(j, 44); U: write(i, 55);write(j, 66);



U: write(i, 55);write(j, 66);



Describe an interleaving of the transactions T and U in which locks are released early with the effect that the interleaving is not serially equivalent.

Computer Science & Information Technology

In general, variables are assumed to be global unless they are declared as local.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Photos that have lost considerable quality appear pixilated and display blocks of color, as shown in the accompanying figure.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology