Important Computer Questions Part 21 | MCQs for Govt & Competitive Exams
Question 601: If in ASCII code M is written as 01001101, then N in ASCII code is
(a) 01001110
(b) 01101111
(c) 01001111
(d) 01011110
Answer: (a) 01001110
Question 602: What will be the result of the combination ‘A’ – ‘S’?
where characters are in ASCII code
(a) -30
(b) -18
(c) -17
(d) -25
Answer: (b) -18
Question 603: The computer code for interchange of information between terminals is:
(a) ASCII
(b) BCD
(c) BCDIC
(d) Hollerith
Answer: (a) ASCII
Question 604: EBCDIC stands for
(a) Extended Binary coded Data Interchange Code
(b) Expanded Binary coded Decimal Interchange Code
(c) Extended Binary Coded Decimal Interchange Code
(d) Expanded Binary Coded Data Interchange
Answer: (c) Extended Binary Coded Decimal Interchange Code
Question 605: With respect to data representation what is the full form of EBCDIC
(a) Extended Binary coded Data Interchange Code
(b) Expanded Binary coded Decimal Interchange Code
(c) Extended Binary Coded Decimal Interchange Code
(d) Expanded Binary Coded Data Interchange
Answer: (c) Extended Binary Coded Decimal Interchange Code
Question 606: Full form of EBCDIC
(a) Extended Binary coded Data Interchange Code
(b) Expanded Binary coded Decimal Interchange Code
(c) Extended Binary Coded Decimal Interchange Code
(d) Expanded Binary Coded Data Interchange
Answer: (c) Extended Binary Coded Decimal Interchange Code
Question 607: EBCDIC coding schemes uses ______ bits to code different characters.
(a) 4
(b) 8
(c) 16
(d) 32
Answer: (b) 8
Question 608: What is the most commonly used code that represents each characters as a unique 8 bit?
(a) ASCII
(b) Unicode
(c) Binary Numbering System
(d) EBCDIC
(e) ACSII
Answer: (d) EBCDIC
Question 609: The Unicode Encode Project represents a character or number in how many group?
(a) 4 bit
(b) 8 bit
(c) 12 bit
(d) 16 bit
Answer: (d) 16 bit
Question 610: Unicode uses ____ bits to code a large number of characters, including various special characters.
(a) 8
(b) 16
(c) 24
(d) 32
Answer: (b) 16
Question 611: Java source code is initially converted into a
(a) object code
(b) unicode
(c) byte code
(d) ASCII code
Answer: (c) byte code
Question 612: UTF-8 is a (an) _____
(a) 8 bit fixed width encoding
(b) 8 bit variable width encoding
(c) 16 bit variable width encoding
(d) 16 bit fixed width encoding
Answer: (b) 8 bit variable width encoding
Question 613: UTF-16 is a (an) ______
(a) 8 bit fixed width encoding
(b) 8 bit variable width encoding
(c) 16 bit variable width encoding
(d) 16 bit fixed width encoding
Answer: (c) 16 bit variable width encoding
Question 614: UTF-32 is a (an) _______
(a) 16 bit fixed width encoding
(b) 16 bit variable width encoding
(c) 32 bit variable width encoding
(d) 32 bit fixed width encoding
Answer: (d) 32 bit fixed width encoding
Question 615: Which of the following is non weighted code?
(a) BCD
(b) Binary
(c) Excess-3
(d) Decimal
Answer: (c) Excess-3
Question 616: BCD coding scheme uses ____ bits to code decimal digits.
(a) 4
(b) 8
(c) 16
(d) 32
Answer: (a) 4
Question 617: BCD stands for _______
(a) Binary Coded Decimal
(b) Binary Code Display
(c) Bidirectional Coded Data
(d) Binary Coded Data
Answer: (a) Binary Coded Decimal
Question 618: Which of the following data presentation techniques typically represents the least number of characters?
(a) EBCDIC
(b) ASCII 8
(c) BCD
(d) ASCII 7
Answer : (c) BCD
Question 619: Numbers of bits needed to code 512 operations is
(a) 4
(b) 7
(c) 8
(d) 9
Answer: (d) 9
Question 620: The range of integer values that can be represented using 16 bit 2’s complement form is
(a) -32768 to +32767
(b) -32767 to +32767
(c) -32767 to +32768
(d) -32768 to +32768
Answer: (a) -32768 to +32767
Question 621: Number of bits needed to code 64 operations is
(a) 4
(b) 6
(c) 8
(d) 16
Answer: (b) 6
Question 622: Number of bits needed to code 256 operations is:
(a) 4
(b) 6
(c) 8
(d) 16
Answer: (c) 8
Question 623: A byte can represent any number between 0 to _____
(a) 2
(b) 255
(c) 256
(d) 1024
(e) 1025
Answer: (c) 256
Question 624: Convert decimal -65 (negative 65) to 2’s complement representation using 8 bit.
(a) 10101010
(b) 10101011
(c) 10111111
(d) 10001111
Answer: (c) 10111111
Question 625: A string of eight 0’s and 1’s is called
(a) Megabyte
(b) Kilobyte
(c) Gigabyte
(d) Byte
Answer: (d) Byte
Question 626: Name the process involved in the designing of a circuit that matches the memory requirement of microprocessor unit signal?
(a) Cache
(b) Associative
(c) Virtual
(d) Interfacing
Answer: (d) Interfacing
Question 627: A standard 32 bit floating point format has three fields sign (S), exponent (E) and significand (M). Which option represents the correct bit-width of these three field?
(a) S=1, E=8, M=23
(b) S=3, E=5, M=24
(c) S=1, E=5, M=26
(d) S=1, E=10, M=21
Answer: (a) S=1, E=8, M=23
Question 628: The term memory is used for which of the following?
(a) Logic
(b) Control
(c) Storage
(d) Program
Answer: (c) Storage
Question 629: Which among the following describes ROM?
(a) Read Only Memory
(b) Read Once Memory
(c) Read On Memory
(d) Read Other Memory
Answer: (a) Read Only Memory
Question 630: Primary storage unit is also indicated as
(a) main memory, primary memory
(b) both external storage and primary memory
(c) none of these
(d) internal storage
Answer: (a) main memory, primary memory
#Important Computer Questions Part 21 | MCQs for Govt & Competitive Exams
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