L6 Mich Revision

Which of the following are (some of) the principles of structured programming?

• Code logic flows from top to bottom

• Use of selection, repetition, subprograms

• Use of global variables instead of local variables

• Use of GOTO statements

• Correct use of indentation

Which of the following could be assignment operators in a pseudocode language?

• :=

• =

• >=

• ←

The line which introduces a variable (without giving it a value) is...

• initialisation

• declaration

• assignment

• selection

What two things must be always present in a variable declaration?

• assignment operator (e.g. =)

• name of the variable declared

• initial value of the variable

• type of the variable

What does the following line declare:

var names: array[1..10] of string;

• a variable which is an array of 11 strings

• a variable which is an array of 10 strings

• a constant which is an array of 10 strings

• a constant string

What is 1 xor 1?

• 0

• 1

• undefined

What is 0 xor 1?

• 0

• 1

• undefined

How many bits are used in UTF-8 to encode the first 127 characters of the UNICODE table (i.e. the ASCII-7 character)

• 1

• 8

• 16

• 24

How many bits can be used by UTF-8 to encode an arbitrary/unknown character?

• 8

• 16

• 24

• 32

When your program makes a subprogram call, information about the subprogram is put on the c___ s___