Y10 - Summer PPE

Y10 - Summer PPE

9th Grade

35 Qs

quiz-placeholder

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Y10 - Summer PPE

Y10 - Summer PPE

Assessment

Quiz

Computers

9th Grade

Medium

Created by

Paul Meehan

Used 1+ times

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the denary number 45 to 8-bit binary.

00101101

00101011

00101110

00101010

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the binary number 0110 1010 to hexadecimal.

6A

6B

7A

7B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the process of converting a binary number to two’s complement.

Flip all the bits and add one

Copy all the 1s and add zero

Flip all the bits and subtract one

Copy all the 0s and subtract one

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a file is compressed and some data is lost in the process, what type of compression is being used?

Lossy

Lossless

Reversible

Non-reversible

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data can be encoded using ASCII. Describe ASCII.

A standard for representing text/characters, allowing data to be interchangeable between computers.

A method for compressing data to save space.

A protocol for secure data transmission over the internet.

A type of hardware used for data storage.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two images are displayed on the same screen. One image is 1024 × 768 pixels. The second image is 2560 × 1440 pixels. The second image has a higher resolution. State one reason why the second image will be displayed in more detail.

A. The number of pixels per square inch is higher

B. The number of colors is higher

C. The screen size is larger

D. The image format is different

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Perform a logical binary shift left of two positions on the 8-bit binary pattern 1101 0011.

0100 1100

1010 0110

0011 0100

1100 1100

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