Tskafli1
13 Questions
| Attempts: 372
Spurningar úr kaflanum (kafli 1).
Questions and Answers
- 1.
Assuming that each of the following bit patterns originally had even parity, which one contains an error?
- A.
000011000
- B.
100110100
- C.
100001001
- D.
110000011
Correct Answer
C. 100001001 -
- 2.
Which of the following data storage systems provides the most efficient random access to individual data items.
- A.
CDs/DVDs
- B.
Flash drives
- C.
Magnetic disk
- D.
Main memory
Correct Answer
D. Main memory -
- 3.
Which of the following bit-patterns represents the smallest value using the floating-point format in which the most significant bit is the sign bit, the next three bits represents the exponent field in excess notation, and the last four bits represents the mantissa. Svar: 00101000 ?
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
Which of the following bit patterns(represented in hexadecimal notation) represent a negative number in two’s complement notation.
- A.
A6
- B.
08
- C.
7F
- D.
55
Correct Answer
A. A6 -
- 5.
Which of the following provides a compressed representation of an image by limiting the number of different pixel colors to 256, thereby enabling each pixel in an image to be represented by a single.
- A.
MPEG
- B.
JPEG
- C.
GIF
- D.
ASCII
Correct Answer
C. GIF -
- 6.
Which of the following is a means of encoding music.
- A.
ASCII
- B.
JPEG
- C.
GIF
- D.
MIDI
Correct Answer
D. MIDI -
- 7.
Which of the following is the binary representation of 4 5/8.
- A.
100,101
- B.
100,11
- C.
10,011
- D.
110,101
Correct Answer
A. 100,101 -
- 8.
What is the result of the following subtraction problem(using two’s compliment notation) 00001111 - 10101010
- A.
10111001
- B.
10110101
- C.
01100010
- D.
01100101
Correct Answer
D. 01100101 -
- 9.
Which of the following representations in two’s complement notation represents the largest value?
- A.
11111111
- B.
00000001
- C.
00000010
- D.
11111110
Correct Answer
C. 00000010Explanation
Svar: 00000010 Eftir yfirferð...hitt eru mínustölur og 1, en þetta er 2.Rate this question:
-
- 10.
Which of the following Boolean operations produces the output 1 for the fewest number of input patterns
- A.
AND
- B.
OR
- C.
XOR
Correct Answer
A. AND -
- 11.
What is the result of the following addition problem(using two’s compliment notation) 00001111 +10101010
- A.
01010101
- B.
10111001
- C.
10110101
- D.
011000101
Correct Answer
B. 10111001 -
- 12.
Which of the following systems is least efficient when encoding numeric values?
- A.
Two's complement notation
- B.
Floating-point notation
- C.
Excess notation
- D.
ASCII
Correct Answer
D. ASCII -
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Oct 28, 2013Quiz Edited by
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Nov 28, 2012Quiz Created by
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