Practice Test: Question Set - 09
1. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is
- (A) Fan-out
- (B) Bipolar
- (C) Chip
- (D) Universal
logic circuit
2. Conversion of binary number 1011102 to an octal number is
- (A) 358
- (B) 468
- (C) 568
- (D) 508
3. Conversion of an octal number 1438 to hexadecimal number is
- (A) 6316
- (B) 6016
- (C) 5016
- (D) 5716
4. Which of the following TTL subfamily is the fastest?
- (A) Standard TTL
- (B) High-speed
TTL
- (C) Schottky TTL
- (D) Low-speed
TTL
5. The number of binary bits required to represent a hexadecimal digit is
- (A) 3
- (B) 4
- (C) 6
- (D) 8
6. Conversion of an octal number 1258 to its decimal number is
- (A) 9010
- (B) 8510
- (C) 8710
- (D) 9910
7. Addition of 11012 and 10102 is
- (A) 101012
- (B) 110002
- (C) 110112
- (D) 101112
8. A multiplexer is also known as
- (A) Coder
- (B) Decoder
- (C) Data
selector
- (D) Multi-vibrator
9. Division of 1000112 by 1012 is
- (A) 1002
- (B) 1112
- (C) 1012
- (D) 10102
10. 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
11. A ________ is a group of devices that store digital data.
- (A) Circuits
- (B) Register
- (C) Variations
- (D) Bit
12. Express -7 as 16-bit signed binary numbers.
- (A) 0000 0000
0000 0111
- (B) 1000 0000
0000 0111
- (C) 0111 0000
0000 0001
- (D) 0111 0000
0000 0000
13. With a JK master-slave flip-flop the master is cocked when the clock is _______ and the slave is triggered when the clock is _______
- (A) Set, reset
- (B) Race, no
change
- (C) High, low
- (D) Set, race
14. Digital design often starts by constructing a _______ table.
- (A) Standard
- (B) Two-stage
- (C) Truth
- (D) Two-dimensional
15. For an input pulse train of clock period T, the delay produced by an n stage shift register is
- (A) (n-1)T
- (B) nT
- (C) (n+1)T
- (D) 2nT
Next Tests: