Digital Logic-Number Representation and Computer Arithmetic [GATE (Graduate Aptitude Test in Engineering) Computer Science & IT (CS)]: Questions 1 - 5 of 66
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Question 1
Question MCQ▾
To correct d single bit errors, a Hamming distance of ________ is required
Choices
Choice (4) | Response | |
---|---|---|
a. | 2d + 3 | |
b. | d + 3 | |
c. | d + 1 | |
d. | All of the above |
Question 2
Question MCQ▾
The equivalent in excess-3 code for decimal 423 is -
Choices
Choice (4) | Response | |
---|---|---|
a. | 845 | |
b. | 756 | |
c. | 510 | |
d. | Question does not provide sufficient data or is vague |
Question 3
Appeared in Year: 2010
Question MCQ▾
What is decimal equivalent of ? (June Paper II)
Choices
Choice (4) | Response | |
---|---|---|
a. | 20.2 | |
b. | 22.2 | |
c. | 22.0 | |
d. | 21.2 |
Question 4
Appeared in Year: 2010
Question MCQ▾
The decimal number equivalent of is (December Paper II)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | 2095.0937 | |
d. |
Question 5
Appeared in Year: 2010
Question MCQ▾
For your ATM debit card, you have a 4-decimal-digit personal secret code. In the absence of any clue, a brute-force attack takes time- ‘t’ to crack the code on an ATM terminal. Therefore ‘t’ is the secure-time for a customer to report in case the card is misplaced. Your Bank has decided to facilitate an increased secure-time. Out of the following, which option should provide the largest rise in the value of ‘t’ ? (June Paper II)
Choices
Choice (4) | Response | |
---|---|---|
a. | Instead of 4-decimal-digits, maintain the personal secret code in 4-hexadecimal-digits. | |
b. | Instead of 4-decimal digits, maintain a 5-decimal-digit personal secret code. | |
c. | Reduce the processing speed of the ATM terminals to the half of their current speed. | |
d. | All of the above |