CSCI150 Assignment 1

Welcome to your CSCI150 Assignment 1.

You will need to write down your name and student ID as they appear in your college profile. You have until the end of week 2 (Sunday midnight) to complete this assignment. You may retake this assignment as many time as you want.

Submission on this webpage will give you instant feedback, use it wisely.

Name

Student ID

Convert decimal number 135 to binary

0b10000111

0b10000101

0b000100110101

None of above.

Convert decimal number 46 to binary

0b101111

0b101100

0b100110

None of above.

Write down the numbers after 3h, 5h, 7h

11h, 13h, 15h, 17h, 21h

9h, 11h, 13h, 15h, 17h

9h, Bh, Dh, Fh, 11h

None of above.

Convert 60h to binary

0b1111000

0b111100

0b01100000

None of above.

Convert 12345h to binary

0b11011100101

0b00010010001101000101

0b11000000111001

None of above.

Convert 12345 to binary

0b11011100101

0b0001001001000101

0b11000000111001

None of above.

Write down the 5 carry bits for when adding up binary number 1010 and 0111

10001

11100

01100

None of above.

Write down the greatest number in decimal, that can be represented by 10bit unsigned binary

Write down the smallest number in decimal, that can be represented by 11bit signed binary

What is the binary code for the smallest number in 8bit signed integer?

10000000

00000000

11111111

None of above

1 out of 3

Convert 1989 to BCD code (only write down numbers)

Search for an ASCII table online, what is the hexadecimal code for the text "CSCI150"? (write in format xxxx xxxx..., e.g. "OK!" is: 4F4B 21)

A system has received 2 bytes of transmission, with the first bit being an extra odd parity bit: 100001111, 001010101. Is there detectable error?

Nope

Yes, 100001111

Yes, 001010101

Yes, both contain error.

Which of the following is correct?

With fixed number of bits per sample. the higher the sampling rate, the better your recording quality.

With fixed sampling rate. the higher the bitrate, the better your recording quality.

Both of above.

None of above.

A digital recording of audio file is 120 seconds, with bitrate 44 Kbps. Write down the exact number of KB needed for this recording.

What category do storage devices belong to in von Neumann architecture?

CPU

Memory

I/O Devices

None of above.

When is bits used more commonly compared to bytes?

When measuring data transmission speed

When measuring data storage

When calculating memory capacity

Computers executes instructions bit by bit

Which of the following is most likely analogue circuit?

Vinyl amplifier

Smart watch

AirPods

Fibre TV

Google online and find out the bitrate for the best audio quality on Spotify

24 kbps

96 kbps

160 kbps

320 kbps

Which of following are a part of a von Neumann CPU?

Arithmetic Unit

Logic Unit

Datapath

All of above

2 out of 3