A Level - Computer Science - 11 - Exam Style Questions with Answers

Created on February 15, 2023 By

paruppts12

ALVL_GEN_CS_1_THRY_11

1 / 10

Sheila creates a relational database for her hotel using a Database Management System (DBMS).

Description of "Attribute" is _________

A field in one table that links to a primary key in another table.

A unique identifier for each tuple.

A data item, represented as a field within a table.

The type of data that is being used.

2 / 10

Computer memories are measured in terms of the number of bytes.

The number of bytes in a Gigabyte can be written as 2x What is the value of x?

50

20

40

30

3 / 10

1 1 0 0 1 1 0 1

0 1 0 1 0 1 1 0

1 0 1 0 1 0 1 1

1 1 0 0 0 0 1 0

4 / 10

Find the check digit for this identification number.

5 0 2 4 1 _

4

3

1

2

5 / 10

The following is a logic expression.

A AND B XOR C OR NOT A

Identify one logic gate that would not be used in the logic circuit for this expression.

AND NOT

NAND NOR

AND OR

OR NOT

6 / 10

BD

CD

DD

AD

7 / 10

Sheila creates a relational database for her hotel using a Database Management System (DBMS).

Description of "Foreign Key" is _________

A unique identifier for each tuple.

A collection of records and tables

The type of data that is being used.

A field in one table that links to a primary key in another table.

8 / 10

0 0 1 0 1 1 1 0

1 1 1 1 0 0 0 0

1 0 1 0 1 0 1 1

0 0 0 0 1 1 1 1

9 / 10

Sheila creates a relational database for her hotel using a Database Management System (DBMS).

Description of "Primary Key" is ________

A unique identifier for each tuple.

The type of data that is being used.

A collection of records and tables

A field in one table that links to a primary key in another table.

10 / 10

1 1 0 0 0 1 0 0

1 1 0 0 0 1 1 0

1 1 0 0 0 1 1 1

1 0 1 0 1 1 0 0

Your score is

The average score is 30%

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