General computer science MCQS - SET 03

1. Numbers are stored and transmitted inside a computer in
(a) binary form
(b) ASCII code form
(c) decimal form
(d) alphanumeric form

2. The original ASCII codes
(a) were 7 bits
(b) 8 bits
(c) represented 256 characters
(d) represented 127 characters

3. The ASCII code of ‘A’ is
(a) 66D
(b) 41H
(c) 0100 0010
(d) 0110 0011

4. The ASCII code of ‘0’ (zero) is
(a) 48D,
(b) 32H
(c) 0011 1000
(d) 42H.

5. The 4-bit binary number 0111 represents
(a) 15,
(b) -7
(c) 7
(d) -1

6. The decimal number 127 may be represented by
(a) 1111 1111B,
(b) 1000 0000B,
(c) EEH,
(d) 0111 1111

7. A byte corresponds to
(a) 4 bits
(b) 8 bits
(c) 16 bits
(d) 32 bits

8. The storage required for an image such as an X-ray is approximately
(a) a few bytes
(b) a few hundred bytes
(c) a few gigabytes
(d) in the megabyte range.

9. A gigabyte represents
(a) 1 billion bytes
(b) 1000 kilobytes
(c) 230 bytes
(d) 1024 bytes

10. A megabyte represents
(a) 1 million bytes
(b) 1000 kilobytes
(c) 220 bytes
(d) 1024 bytes

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