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What is the correct answer?

4

When used with an IC, what does the term "QUAD" indicate?

A. 2 circuits

B. 4 circuits

C. 6 circuits

D. 8 circuits

Correct Answer :

B. 4 circuits


Related Questions

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4

The Boolean expression for a 3-input AND gate is ________.

A. X = ABC

B. X = AB

C. X = A + B + C

D. X = AB + C

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4

How many pins does the 4049 IC have?

A. 20

B. 16

C. 18

D. 14

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4

When used with an IC, what does the term "QUAD" indicate?

A. 2 circuits

B. 4 circuits

C. 6 circuits

D. 8 circuits

What is the correct answer?

4

In the decimal numbering system, what is the MSD?

A. The digit to the right of the decimal point

B. The middle digit of a stream of numbers

C. The last digit on the right

D. The digit with the most weight

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4

Which of the following are the three basic sections of a microprocessor unit?

A. control and timing, register, and memory

B. operand, register, and arithmetic/logic unit (ALU)

C. control and timing, register, and arithmetic/logic unit (ALU)

D. arithmetic/logic unit (ALU), memory, and input/output

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4

The generic array logic (GAL) device is ________.

A. one-time programmable

B. a CMOS device

C. reprogrammable

D. reprogrammable and a CMOS device

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4

Any number with an exponent of zero is equal to:

A. zero

B. one

C. that number

D. ten

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4

When was the first 8-bit microprocessor introduced?

A. 1969

B. 1974

C. 1979

D. 1985

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4

The output of an AND gate is LOW ________.

A. when any input is LOW

B. when all inputs are HIGH

C. when any input is HIGH

D. all the time

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4

The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the:

A. accumulator

B. stack pointer

C. instruction pointer

D. program counter

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4

I/O mapped systems identify their input/output devices by giving them a(n) ________.

A. 16-bit port number

B. 8-bit port number

C. 8-bit instruction

D. 8-bit buffer number

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4

What kind of computer program is used to convert mnemonic code to machine code?

A. assembler

B. debug

C. C++

D. Fortran

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4

The systematic reduction of logic circuits is accomplished by:

A. symbolic reduction

B. using Boolean algebra

C. using a truth table

D. TTL logic

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4

Which of the following expressions is in the sum-of-products (SOP) form?

A. AB + CD

B. AB(CD)

C. (A + B)(C + D)

D. (A)B(CD)

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4

What is the Boolean expression for a three-input AND gate?

A. X = A + B + C

B. X = A � B � C

C. x=
A � B � C

D. x=A B

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4

What type of circuit is used at the interface point of an input port?

A. decoder

B. latch

C. tristate buffer

D. none of the above

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4

What is a digital-to-analog converter?

A. It stores digital data on a hard drive.

B. It converts direct current to alternating current.

C. It takes the digital information from an audio CD and converts it to a usable form.

D. It allows the use of cheaper analog techniques, which are always simpler.

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4

Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?

A. data bus

B. address bus

C. control bus

D. address decoder bus

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4

Which bus is a bidirectional bus?

A. address bus

B. data bus

C. address bus and data bus

D. none of the above

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4

Which of the following statements does NOT describe an advantage of digital technology?

A. Information storage is easy.

B. The circuits are less affected by noise.

C. The operation can be programmed.

D. The values may vary over a continuous range.