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

Which type of memory is suitable for low volume production of embedded systems?
a) Non-volatile
b) RAM c) Volatile d) ROM

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

How an embedded system communicate with the outside world?
a) Memory
b) Output c) Peripherals d) Input

Which level simulates the algorithms that are used within the embedded systems?
a) algorithmic level
b) switch level c) gate level d) circuit level

Which of the following helps in reducing the energy consumption of the embedded system?
a) emulator
b) debugger c) simulator d) compilers

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

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

What is approximate data access time of SRAM?
a) 2ns
b) 10ns c) 60ns d) 4ns

Which of the following is a plastic package used primarily for DRAM?
a) Zig-zag
b) DIMM c) SIMM d) Dual-in-line

Which of the following is the biggest challenge in the cache memory design?
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

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

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

What is frequency reuse?
a) Process of selecting and allocating channels
b) Process of selection of mobile users c) Process of selecting frequency of mobile equipment d) Process of selection of number of cells

Which of the following is a universally adopted shape of cell?
a) Square
b) Circle c) Triangle d) Hexagon

Actual radio coverage of a cell is called __________
a) Fingerprint
b) Footprint c) Imprint d) Matrix

Why the shape of cell is not circle?
a) Omni directionality
b) Small area c) Overlapping regions or gaps are left d) Complex design

What is the main reason to adopt hexagon shape in comparison to square and triangle?
a) Largest area
b) Simple design c) Small area d) Single directional

Which type of antenna is used for center excited cells?
a) Dipole antenna
b) Grid antenna c) Sectored antenna d) Omnidirectional antenna