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71 When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits:
A. ANSI
B. ASCII
C. EBCDIC
D. ISO
72. The digits are 0 to 9 and A to F.
A. Decimal
B. Hexadecimal
C. Binomial
D. Trinomial
73. Each digit in Binary Coded Decimal (BCD) is known as
A. Bit
B. Byte
C. Nibble
D. None of these
74. ASCII Code is a 7 bit code for:
A. letters, numbers and other symbols
B. only for letters
C. only for numbers
D. for numbers and letters
75. How many numbers are there in 2 bytes?
A. 1011100101101110
B. 0.278
C. 0.002
D. 2.000
76. Which one of the following is the binary equivalent of the octal number 13.54?
A. 1101.1110
B. 1011.1100
C. 1100.1100
D. 1011.101100
77. What is the range of the numbers which can be stored in an eight bit register?
A. -127 to +127
B. -128 to +128
C. -128 to +127
D. -127 to +128
78. What is the term used for a half byte?
A. bit
B. nibble
C. bug
D.word
79. What is the Gray Code for decimal 7?
A. 0100
B. 0101
C. 0010
D. 111
80. Calculate the binary division of:(11000)2 = (100)2
A. 10
B. 100
C. 110
D. 111
81. What is the maximum count that a 6-bit binary word can represent?
A. 61
B. 62
C. 63
D. 64
82. The number system which is not a positional notation system is:
A Octal
B. Roman
C. Decimal
D. Binary
83. The ASCII is a subset of:
A. 8-bit-EBCDIC
B. 8-bit ECBDIC
C. 8-bit ECBDCI
D. 8-bit EBCDCE
84. What is the sign magnitude representation of binary number +1101.011?
A. 101001.1001
B. 01101.011
C. 1101.0110
D. 1100.001
85. What is the excess 3 code?
A. Cyclic complimenting code
B. Cyclic algebraic code
C. Self complimenting code
D. Self algebraic code
86. Where is the use of cyclic code?
A. Logic gate
B. Processing data
C. Simultaneous error-correction and Brust error detection
D. Networking interface
87. Motherboard used in computer is:
A. powerful means of communication
B. the main circuit board also called system board on which bus structure are mounted
C. the interactive feature of network
D. None of the above
88. The oldest form of computer language is called:
A. Machine language
B. BASIC
C. FORTRAN
D. COBOL
89. An electrical pathway within a computer is called:
A. circuit
B. line
C. bus
D. track
90. One of the things that separates a “Terminal” from a “PC” is that the terminal does not have a what?
A. Keyboard
C. Power cord
B. Monitor
D. CPU
91. The Central Processing Unit (CPU) constitutes
A. Arithmetic Logic Unit (ALU) only
B. Control Unit (CU) only
C. Both ALU & CU
D. Operational registers, ALU and CU
92. Macromedia is a name of a company related with
A. Hardware
B. Software
C. Peripherals
D. Services
93. The personal-computer industry was started by:
A. IBM
B. Apple
C. Compaq
D. HCL
94. The word size of a microprocessor refers to:
A. The amount of information that can be stored in a byte
B. The amount of information that can be stored in a cycle
C. The number of machine operations performed in a second
D. The maximum length of an English word that can be input to a computer
95. Which type of computers accuracy is superhigh
A. Optical
B. Hidden
C. Hybrid
D. Digital