The ____ is a 16-bit register that contains the address of the instruction fetched from memory.
A. accumulator
B. condition-code register
C. stack pointer
D. program counter
Answer: D
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Which of the following types of glass is generally used as safety glass?
A) Plate glass B) Sheet glass C) Tempered glass D) Annealed glass E) Heat-strengthened glass
When a flexible metal chimney liner is used, the _____.
a. liner must always be insulated with transite b. liner may need to be a larger diameter than the correct size of smooth, rigid pipe c. liner can be sized in the same way as solid metal vents d. furnace must always be common-vented with the water heater
What percentage of businesses started this year will celebrate their 10th anniversary?
a. 5% b. 10% d. 15% d. 20%
When the ammeter function of a digital multimeter (DMM) is used to measure current in a circuit, which of the following should be true?
A. all current measured passes through the DMM B. it is connected in parallel with the circuit C. the reading produced is only approximate D. all of the above