০০। A 2‘s-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2‘s complements stand for _____ decimal numbers.
ক) hexa, sign
খ) sign, hexa
গ) positive, negative
ঘ) negative, positive
ঙ) None of the above
০১। A binary adder is a logic circuit that can add _____ binary numbers at a time.
ক) Hundreds
খ) Thousands
গ) One
ঘ) Two
ঙ) None of the above
০২। A bus is a group of _____ carrying digital signals.
ক) wires
খ) gates
গ) transistors
ঘ) registers
ঙ) None of the above
০৩। A byte is consist of _____ bits
ক) two
খ) four
গ) eight
ঘ) ten
ঙ) None of the above
০৪। A combinational logic circuit which generates particular binary word or number is
ক) decoder
খ) multiplexer
গ) encoder
ঘ) demultiplexer
ঙ) None of the above
০৫। A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
ক) decoder
খ) encoder
গ) multiplexer
ঘ) demultiplexer
ঙ) None of the above
০৬। A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as
ক) encoder
খ) decoder
গ) multiplexer
ঘ) demultiplexer
ঙ) None of the above
০৭। A demultiplexer is also known as
ক) data selector
খ) data distributor
গ) multiplexer
ঘ) encoder
ঙ) None of the above
০৮। A diagram that illustrates the ore (Logic) of functions in a progran called a
ক) Flowchart
খ) Sequence of steps
গ) Direction of flow
ঘ) All of the above
ঙ) None of the above
০৯। A flip-flop can store
ক) one bit of data
খ) two bits of data
গ) three bits of data
ঘ) any number of bits of data
ঙ) None of the above
১০। A flip-flop can store:
ক) 1 bits of data
খ) 2 bits of data
গ) 3 bits of data
ঘ) 4 bits of data
ঙ) None of the above
১১। A flip-flop is a _____ element that stores a binary digit as a low or high voltage.
ক) chip
খ) bus
গ) I/O
ঘ) memory
ঙ) None of the above
১২। A full-adder adds _____ bits, and producing a SUM and a _____
ক) 8, SUBTRACTION
খ) 3, CARRY
গ) 16, DIVIDE
ঘ) All of the above
ঙ) None of the above
১৩। A gate is a logic circuit with one or more input signals but _____ output signal.
ক) two
খ) double
গ) one
ঘ) more than one
ঙ) None of the above
১৪। A half-adder adds _____ bits
ক) 16
খ) 8
গ) 10
ঘ) 2
ঙ) None of the above
১৫। A half-adder is also known as:
ক) AND circuit
খ) NAND circuit
গ) NOR circuit
ঘ) EX-OR circuit
ঙ) None of the above
১৬। A logic circuit which is used to change a BCD number into an equivalent decimal number is
ক) decoder
খ) encoder
গ) multiplexer
ঘ) code converter
ঙ) None of the above
১৭। A microcomputer is a computer that uses a _____ for its CPU.
ক) chips
খ) registers
গ) microprocessor
ঘ) vacuum tube
ঙ) None of the above
১৮। A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?