11. When 1100010 is divided by 0101, what will be the decimal remainder?
(a) 2
(b) 3
(c) 4
(d) 6
12. All digital systems that perform arithmetic operations must indicate _______ and ________ for numbers.
(a) size, base
(b) sign, magnitude
(c) sign, base
(d) magnitude, base
13. The carry propagation delay in 4-bit full-adder circuits ____________.
(a) is normally not a consideration because the delays are usually in the nanosecond range
(b) is cumulative for each stage and limits the speed at which arithmetic operations are performed
(c) decreases in direct ratio to the total number of full-adder stages
(d) increases in direct ratio to the total number of full-adder stages, but is not a factor in limiting the speed of arithmetic operations
14. The selector inputs to an arithmetic-logic unit (ALU) determine the:
(a) selection of the IC
(b) arithmetic or logic function
(c) data word selection
(d) clock frequency to be used
15. How many basic binary subtraction combinations are possible?
(a) 4
(b) 3
(c) 2
(d) 1
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