Team A
CPU stands for:
a) Central Processing Unit
b) Computer Processing Utility
c) Control Program Unit
d) Core Processing User
a) Central Processing Unit
Computers primarily use which number system?
a) Decimal
b) Binary
c) Octal
d) Hexadecimal
b) Binary
Smartphones differ from feature phones because they:
a) Have touchscreens only
b) Run advanced operating systems and apps
c) Cannot make calls
d) Do not use SIM cards
b) Run advanced operating systems and apps
Which memory is volatile?
a) ROM
b) RAM
c) Hard Disk
d) SSD
b) RAM
The ALU performs:
a) Storage operations
b) Arithmetic and logical operations
c) Input/output operations
d) Networking functions
b) Arithmetic and logical operations
Which gate outputs 1 only when both inputs are 1?
a) OR
b) AND
c) XOR
d) NOR
b) AND
Which of these is an input device?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
c) Keyboard
Permanent data is stored in:
a) RAM
b) Cache
c) Hard Disk / SSD
d) Registers
c) Hard Disk / SSD
Which is a real-world application of digital design?
a) Traffic light controller
b) Whiteboard marker
c) Mechanical clock
d) Chalkboard
a) Traffic light controller
Why is binary preferred in digital circuits?
a) Easier with two voltage levels
b) Faster than decimal
c) Uses fewer digits
d) More human-friendly
a) Easier with two voltage levels
Cache memory improves performance because:
a) It is larger than RAM
b) Stores frequently accessed data close to CPU
c) Replaces hard disk
d) Works only in laptops
b) Stores frequently accessed data close to CPU
Flip-flops are critical in sequential circuits because they:
a) Perform arithmetic
b) Store state information
c) Generate power
d) Control input devices
b) Store state information
Pipelining in processors is used to:
a) Increase clock speed
b) Overlap instruction execution stages
c) Reduce memory size
d) Simplify hardware design
b) Overlap instruction execution stages
RISC vs CISC – which is correct?
a) RISC uses complex instructions, CISC uses simple ones
b) RISC uses simple instructions, CISC uses complex ones
c) Both use only simple instructions
d) Both use only complex instructions
b) RISC uses simple instructions, CISC uses complex ones
A mobile phone heats up during gaming mainly due to:
a) Battery only
b) CPU and GPU workload
c) RAM usage
d) Network signals
b) CPU and GPU workload