A Level Computer Science Quiz 2020 Part 3

When an entity has the primary key of another entity as an attribute, this creates:

Which of the following is not the required condition for binary search algorithm?

In the database relation R (a, b, d, e, f) attribute b and d are dependent only on a; e only on d; and f only on d. which of these sets of relations is equivalent to R in third normal form (3NF), if key attributes are underlined?

When data goes through a network, data privacy is available when:

Only authorised people can access and modify information through a network

How many distinct memory addresses can a processor access if its machine word has 8 bytes?

The design strategy that identifies subtasks based on the operations carried out in them to provide a service or feature is known as:

A binary tree whose every node has either zero or two children is called:

The post order transversal of a binary tree is DEBFCA. Find out the preorder transversal.

Which of the following sorting algorithms is of divide-and-conquer type?

Program Readability is typically understood to be:

It is used how values change in memory locations, without program instructions, or altering memory locations; during debugging

Some programs will always guarantee an answer if there is one, but may run for ever if there is none. Such problems are:

Algorithms or problems they solve are sometimes described as hard or intractable. This is often a measure of:

Prototyping is a technique that:

The space factor when determining the efficiency of algorithm is measured by counting the:

To solve a certain problem, some of its procedures are executed on distinct machines, possibly across the world. We designed a(an):

The following are in distinct classes of declarative languages:

Programming language (PL) functions are designed to return a value; the values returned by PL functions are often passed in other function or procedures:

We examine a program, executing and checking its instructions, so as to establish that it behaves as expected. We are doing: