Description : The hexadecimal equivalent of the octal number 2357 is: (1) 2EE (2) 2FF (3) 4EF (4) 4FE
Last Answer : Answer: 3 Explanation: (2357)8 can be converted into binary just digit by digit. = 010 011 101 111 Now we can regroup the bits into groups of 4 and convert to hexadecimal. = 0100 1110 1111 = 4EF
Description : Which number system is commonly used as a shortcut notation for groups of four binary digits? a. Binary b. Decimal c. Octal d. Hexadecimal
Last Answer : Hexadecimal
Last Answer : d. Hexadecimal
Description : An scan be easily converted to its decimal equivalent by multiplying each octal digit by positional weight: a. Binary number b. Octal number c. Hexadecimal number d. Decimal number
Last Answer : b. Octal number
Description : The octal number 326.4 is equivalent to (A) (214.2)10 and (D6.8)16 (B) (212.5)10 and (D6.8)16 (C) (214.5)10 and (D6.8)16 (D) (214.5)10 and (D6.4)16
Last Answer : (C) (214.5)10 and (D6.8)16
Description : Convert the octal number 0.4051 into its equivalent decimal number. (1) 0.5100098 (2) 0.2096 (3) 0.52 (4) 0.4192
Last Answer : Answer: 1 Explanation: (0.4051)8 = 4x8-1+0x8-2+5x8-3+1x8-4 = 0.5100098
Description : The reverse polish notation equivalent to the infix expression ((A + B) * C + D)/(E + F + G) (A) A B + C * D + EF + G + / (B) A B + C D * + E F + G + / (C) A B + C * D + E F G + +/ (D) A B + C * D + E + F G + /
Last Answer : (A) A B + C * D + EF + G + /
Description : Computers use the _____ number system to store data and perform calculations. 1) Decimal 2) Hexadecimal 3) Octal 4) Binary 5) None of these
Last Answer : Answer :4
Description : A number system that has eight different symbols to represent any quantity is known as A) Binary B) Octal C) Decimal D) Hexadecimal
Last Answer : Answer : B
Description : Which number system is usually followed in a typical 32-bit computer? A) Binary B) Decimal C) Hexadecimal D) Octal
Last Answer : Answer : A
Description : Which of the following is not a positional number system? a) Roman Number System b) Octal Number System c) Binary Number System d) Hexadecimal Number System
Last Answer : Answer: a Explanation: The Roman number system isn’t a positional number system since , it uses symbols to represent numbers. The octal number system uses digits from 0-7 , the binary number system uses digits from 0-1 whereas, the hexadecimal number system uses digits from 0-15
Description : Anumber system that uses only two digits, O and 1 is calledthe_ a. Octal number system b. Binary number system c. Decimal number system d. Hexadecimal number system
Last Answer : b. Binary number system
Description : Abinary number canbeconvertedinto a. Binary number b. Octal number co. Decimal number d. Hexadecimal number
Last Answer : co. Decimal number
Description : Which system is used in digital computers because all electrical and electronic circuits can be made to respond to the states concept: a. Hexadecimal number b. Binary number c. Octal number d. Decimal number
Last Answer : b. Binary number
Description : Which system was used extensively by early mini computers. a. Decimal number b. Octal number c. Hexadecimal number d. Binary number
Description : 3 bit binary numbers can be represented by a. Binary number b. Decimal number Cc. Hexadecimal number d. Octal number
Last Answer : d. Octal number
Description : Which system each digit has a weight corresponding to its position: a. Hexadecimal number system b. Binary number system c. Decimal number system d. Octal number system
Last Answer : d. Octal number system
Description : Which system groups number by sixteen and power of sixteen. a. Binary b. Hexadecimal Cc. Octal d. None of these
Last Answer : b. Hexadecimal
Description : Which number are used extensively in microprocessor work: a. Octal b. Hexadecimal Cc. Both d. None of these
Description : Which number is formed from a binary number by grouping bits in groups of 4-bit each starting at the binary point: a. Binary b. Octal c. Decimal d. Hexadecimal
Description : Which number system has a base of 16 : a. Binary number system b. Octal number system c. Decimal number system d. Hexadecimal number system
Last Answer : d. Hexadecimal number system
Description : Computeruses the“““.number system to store data and perform calculations. (A) binary (B) octal (C) decimal (D) hexadecimal (E) None of these
Last Answer : binary
Description : Which of the following number system is natively used by a computer: a) Hexadecimal b) Octal c) Decimal d) Binary e) None of These
Last Answer : d) Binary
Description : Computers use the ________ number system to store data and perform calculations. a) Binary b) Octal c) Decimal d) Hexadecimal e) None of these
Last Answer : a) Binary
Description : Computers use the .... number system to store data and perform calculations. 1) binary 2) octal 3) decimal 4) hexadecimal
Last Answer : 1) binary
Description : Which numbering formats are really codes rather than true number systems? 96) A) hexadecimal and octal B) binary and octal C) decimal and binary D) BCD and ASCII
Last Answer : Which numbering formats are really codes rather than true number systems?
Description : Symbols A-Fare used in which one of the following? (A) Binary number system (B) Decimal number system (C) Hexadecimal number system (D) Octal number system
Last Answer : (C) Hexadecimal number system
Description : Write the radix of binary,octal,decimal and hexadecimal number system.
Last Answer : Radix of: Binary – 2 Octal - 8 Decimal - 10 Hexadecimal -16
Description : ENIAC uses A) Decimal Numbering System B) Octal Numbering System C) Binary Numbering System D) Hexadecimal Numbering System
Description : Which are the system of arithmetic, which are often used in digital system: a. Binary digit b. Decimal digit c. Hexadecimal digit d. Octal digit e. Allof these
Last Answer : e. Allof these
Description : In which numeral every position has a value 2 times the value f the position to its right: a. Decimal b. Octal c. Hexadecimal d. Binary
Last Answer : d. Binary
Description : In which digit the value increases in power of two starting with 0 to left of the binary point and decreases to the right of the binary point starting with power -1. a. Hexadecimal b. Decimal c. Binary d. Octal
Last Answer : c. Binary
Description : Computers use the _____number system to store data and perform calculations: a) Binary b) Octal c) Decimal d) Hexadecimal e) None of The Above
Description : Which numbering format is used to represent both numbers and letters on a keyboard? 79) A) octal B) ASCII C) hexadecimal D) BCD
Last Answer : B) ASCII
Description : Which numbering format is most commonly used in a computer's machine language? 23) A) ASCII B) hexadecimal C) octal D) BCD
Last Answer : B) hexadecimal
Description : When configuring the subnet mask for an IP address, which formats can be used? * dotted-decimal. * Hexadecimal * Bit-count * Octal * Binary
Last Answer : Correct answer: A, B &C
Description : A nibble can be represented in the from of: a. Octal digit b. Decimal c. Hexadecimal d. None of these
Last Answer : c. Hexadecimal
Description : Hexadecimal to octal conversion
Last Answer : Hexadecimal to octal conversion
Description : What is the significance of a faded (dimmed) command in a pull-down menu? a) The command is not currently accessible b) A dialog box appears if the command is selected c) A help window ... the command is selected d) There are no equivalent keystrokes for the particular command e) None of these
Last Answer : d) There are no equivalent keystrokes for the particular command
Description : In hexadecimal colon notation, a 128-bit address isdivided into _______ sections, each _____hexadecimal digits in length. A) 8: 2 B) 8: 3 C) 8: 4 D) none of the above
Last Answer : 8: 4
Description : The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is: A. 000 B. 755 C. 744 D. 555 E. None of the above
Last Answer : B. 755
Description : Hexadecimal number system has ..............base. A) 16 B) 14 C) 12 D) 08
Last Answer : A) 16
Description : Which command is used to display a file contents in octal form? A. cd B. od C. of D. oct E. None of the above
Last Answer : B. od
Description : In Unix, files can be protected by assigning each one a 9-bit mode called rights bits. Now, consider the following two statements: I. A mode of 641 (octal) means that the owner can read and write the file, other ... (B) Only II is correct (C) Both I and II are correct (D) Both I and II are incorrect
Last Answer : (C) Both I and II are correct
Description : The three outputs x1x2x3 from the 8x3 priority encoder are used to provide a vector address of the form 101x1x2x300. What is the second highest priority vector address in hexadecimal if the vector addresses are starting from the one with the highest priority? (A) BC (B) A4 (C) BD (D) AC
Last Answer : Answer: B
Description : What will be the hexadecimal value in the register ax (32-bit) after executing the following instructions? Mov al, 15 Mov ah, 15 Xor al, al Mov cl, 3 Shr ax, cl Codes: (A) 0F00 h (B) 0F0F h (C) 01E0 h (D) FFFF h
Last Answer : (C) 01E0 h
Description : In an ER model, ……………. is described in the database by storing its data. A) Entity B) Attribute C) Relationship D) Notation
Last Answer : A) Entity
Description : The Octal equivalent of HEX and number AB.CD is (A) 253.314 (B) 253.632 (C) 526.314 (D) 526.632
Last Answer : The Octal equivalent of HEX and number AB.CD is 253.632
Last Answer : 275 is the octal equivalent of the binary number:10111101
Description : The hexadecimal number ‘A0’ has the decimal value equivalent to (A) 80 (B) 256 (C) 100 (D) 160
Last Answer : (D) 160