Crowdly

a static scope rule

the Algol block inheritance rule

an attribute stack

a naming rule

Which of the following are/could be operations on lists

prepending an item to the head of the list

removing the last item in a list (curtailing)

removing the item at the head of a list (beheading)

shredding the list--breaking it into individual items

adding all elements of a numerical list (+( 2 3 6 7 8)) ==> 26

rotating a horizontal list to a vertical one

appending an item to the end or tail of a list

finding the cosine of a list

The special value that points nowhere is (depending on the language)

erewhon

NaN

NIL

nil

nul

undefined

Which of these statements is most accurate?

derived types are compatible with their parent type and subtypes are not

subtypes and derived types are both compatible with their parent type

subtypes are compatible with their parent type and derived types are not

both subtypes and derived types are always subranges of a parent type

neither subtypes nor derived types are compatible with their parent type

An operator-rich language for mathematical and symbolic work was

A name that might be used in two different contexts in a language definition is called a

locally scoped item

reserved word

reference

Schrödinger Token

parameter

Which of the following statements is/are correct about a parse tree?

It is read top-to-bottom and left-to-right but evaluated bottom-to-top

It is read top-to-bottom and right-to-left but evaluated bottom-to-top

The syntax does not usually define such orders

It is read top-to-bottom and left-to-right but evaluated right-to-left

It is read bottom-to-top and left-to-right and evaluated bottom-to-top

When one specifies meaning in terms of preconditions and postconditions, one is using

static semantics

axiomatic. semantics

VDM-SL

EBNF

denotational semantics

An early language that included records and was used for business and commercial work was

If the name of a built in entity such as a type name may be reused for something else it is called a ___ identity