A semiconductor laser crystal of length 5 cm, refractive index 1.8 is used as an optical source. Determine the frequency separation of the modes.
a) 2.8 GHz
b) 1.2 GHz c) 1.6 GHz d) 2 GHz
a) 2.8 GHz
b) 1.2 GHz c) 1.6 GHz d) 2 GHz
Anonymous Quiz
30%
A
26%
B
41%
C
4%
D
Longitudinal modes contribute only a single spot of light to the laser output.
a) True
b) False
a) True
b) False
Anonymous Quiz
95%
A
5%
B
Which memory storage is widely used in PCs and Embedded Systems?
a) EEPROM
b) Flash memory c) SRAM d) DRAM
a) EEPROM
b) Flash memory c) SRAM d) DRAM
Anonymous Quiz
25%
A
39%
B
28%
C
8%
D
How is the protection and security for an embedded system made?
a) Security chips
b) Memory disk security c) IPR d) OTP
a) Security chips
b) Memory disk security c) IPR d) OTP
Anonymous Quiz
25%
A
11%
B
50%
C
14%
D
Which of the following task swapping method is a better choice in the embedded systems design?
a) time slice
b) RMS c) cooperative multitasking d) pre-emptive
a) time slice
b) RMS c) cooperative multitasking d) pre-emptive
Anonymous Quiz
23%
A
12%
B
42%
C
23%
D
Which type of memory is suitable for low volume production of embedded systems?
a) Non-volatile
b) RAM c) Volatile d) ROM
a) Non-volatile
b) RAM c) Volatile d) ROM
Anonymous Quiz
32%
A
18%
B
39%
C
11%
D
Which activity is concerned with identifying the task at the final embedded systems?
a) scheduling
b) task-level concurrency management c) high-level transformation d) compilation
a) scheduling
b) task-level concurrency management c) high-level transformation d) compilation
Anonymous Quiz
19%
A
42%
B
23%
C
15%
D
How an embedded system communicate with the outside world?
a) Memory
b) Output c) Peripherals d) Input
a) Memory
b) Output c) Peripherals d) Input
Anonymous Quiz
7%
A
11%
B
68%
C
14%
D
Which level simulates the algorithms that are used within the embedded systems?
a) algorithmic level
b) switch level c) gate level d) circuit level
a) algorithmic level
b) switch level c) gate level d) circuit level
Anonymous Quiz
39%
A
29%
B
14%
C
18%
D
Which of the following helps in reducing the energy consumption of the embedded system?
a) emulator
b) debugger c) simulator d) compilers
a) emulator
b) debugger c) simulator d) compilers
Anonymous Quiz
22%
A
25%
B
41%
C
13%
D
What does MESI stand for?
a) modified exclusive system input
b) modifies embedded shared invalid c) modified exclusive shared invalid d) modified exclusive stale invalid
a) modified exclusive system input
b) modifies embedded shared invalid c) modified exclusive shared invalid d) modified exclusive stale invalid
Anonymous Quiz
37%
A
37%
B
17%
C
9%
D
Which of the following is the pin efficient method of communicating between other devices?
a) memory port
b) peripheral port c) parallel port d) serial port
a) memory port
b) peripheral port c) parallel port d) serial port
Anonymous Quiz
11%
A
47%
B
21%
C
21%
D
What is approximate data access time of SRAM?
a) 2ns
b) 10ns c) 60ns d) 4ns
a) 2ns
b) 10ns c) 60ns d) 4ns
Anonymous Quiz
28%
A
41%
B
15%
C
15%
D
Which of the following is a plastic package used primarily for DRAM?
a) Zig-zag
b) DIMM c) SIMM d) Dual-in-line
a) Zig-zag
b) DIMM c) SIMM d) Dual-in-line
Anonymous Quiz
29%
A
29%
B
21%
C
21%
D
Which of the following is the biggest challenge in the cache memory design?
a) coherency
b) memory access c) size d) delay
a) coherency
b) memory access c) size d) delay
Anonymous Quiz
28%
A
47%
B
11%
C
13%
D
Electronics Engineering All Subject Lecturer Videos pinned «Which of the following is the biggest challenge in the cache memory design?
a) coherency
b) memory access c) size d) delay»
a) coherency
b) memory access c) size d) delay»
Cellular concept replaces many low power transmitters to a single high power transmitter.
a) True
b) False
a) True
b) False
Anonymous Quiz
87%
A
13%
B
Why neighbouring stations are assigned different group of channels in cellular system?
a) To minimize interference
b) To minimize area c) To maximize throughput d) To maximize capacity of each cell
a) To minimize interference
b) To minimize area c) To maximize throughput d) To maximize capacity of each cell
Anonymous Quiz
36%
A
24%
B
24%
C
16%
D
What is a cell in cellular system?
a) A group of cells
b) A group of subscribers c) A small geographical area d) A large group of mobile systems
a) A group of cells
b) A group of subscribers c) A small geographical area d) A large group of mobile systems
Anonymous Quiz
36%
A
8%
B
44%
C
12%
D