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Mid-Term 2024 Grade 8

Authored by Syed Ahmed

Computers

8th Grade

Used 2+ times

Mid-Term 2024 Grade 8
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which datatype is used to store a date in a database?

Text

Integer

Date

2.

OPEN ENDED QUESTION

3 mins • 1 pt

Convert 11110 into decimal.

(Write the anwer below)

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

Perform the binary subtraction for 1101 - 1011.

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OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

How many megabytes are in a gigabyte?

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OFF

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL statement is used to extract data from a database?

GET

EXTRACT

SELECT

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Convert 11111100 into hexadecimal.

(Write answer below)

Evaluate responses using AI:

OFF

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a primary key in a database?

A key that uniquely identifies a row in a table

A key that can accept null values

A key used to link two tables together

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