Digital Computer Electronics – Section 3

31. Conversion of binary number 1000112 to an octal number is

A. 438
B. 478
C. 498
D. 508
E. None of the above

Correct Answer:  A. 438

32. What table shows the electrical state of a digital circuit’s output for every possible combination of electrical states in the inputs?

A. Function table
B. Truth table
C. Routing table
D. ASCII table
E. None of the above

Correct Answer:  B. Truth table

33. What is the hexadecimal equivalent of a binary number 10101111

A. AF
B. 9E
C. 8C
D. All of the above
E. None of the above

Correct Answer:  A. AF

34. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

A. SSI, MSI
B. MSI, LSI
C. SSI, LSI
D. ECL, DTL
E. None of the above

Correct Answer:  A. SSI, MSI

35. Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.

A. SSI, 75
B. SSI, 100
C. SSI, 1000
D. SSI, 10000
E. None of the above

Correct Answer:  B. SSI, 100

Leave A Comment?

fourteen + fifteen =