100 Level Computer Science exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a) State the base of the following number systems and give the digits/elements in each of them.
(i) Binary number
(ii) Octal number
(iii) Decimal number
(iv) Hexadecimal number
(b) Copy and complete the table below:
Binary Number | Octal Number | Decimal Number | Hexadecimal |
---|---|---|---|
0001 | 01 | 1 | 02 |
0011 | 4 | 05 | |
0111 | 06 | 8 | 09 |
1010 | 11 | ||
1110 | 014 | D | |
1112 | 017 |
(c)
(i) How many bits make 1 nibble?
(ii) How many bits make 1 byte?
(iii) A computer has a memory of 512KB, what is the decimal equivalent of the memory?