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Directions to Solve

In the following questions choose the word which is the exact OPPOSITE of the given words.

Q1: FAMILIAR

A Dangerous

B Unpleasant

C Friendly

D Strange

Q2: What is stderr ?

A standard error

B standard error types

C standard error streams

D standard error definitions

Q3: How many basic binary subtraction operations are possible?

A 2

B 4

C 3

D 1

Q4: If [A] = 1011 1010, [B] = 0011 0110, and [C] = [A] • [B], what is [C 4..2] in decimal?

A 3

B 1

C 2

D 4

Q5: Using 4-bit adders to create a 1See Section 6-bit adder:

A requires 16 adders.

B requires 4 adders.

C requires 4 adders and the connection of the carry out of the less significant adder to the carry-in of the next significant adder.

D requires the carry-out of the less significant adder to be connected to the carry-in of the next significant adder.

Q6: When performing subtraction by addition in the 2's-complement system:

A the minuend and subtrahend are both left in their original form.

B the minuend is left in its original form and the subtrahend is changed to its 2's-complement.

C the minuend and the subtrahend are both changed to the 2's-complement.

D the minuend is changed to 2's-complement and the subtrahend is left in its original form.

Q7: The two's-complement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

A –113 and –114, 227

B –14 and –13, –27

C –11 and –16, –27

D –27 and –13, 40

Q8: When 1100010 is divided by 0101, what is the decimal remainder?

A 4

B 3

C 6

D 2

Q9: One way to make a four-bit adder perform subtraction is by:

A inverting the B inputs.

B inverting the output.

C grounding the B inputs.

D inverting the carry-in.

Q10: What is the most important operation in binary-coded decimal (BCD) arithmetic?

A addition

B subtraction

C division

D multiplication