coa quiz 3

Which type of flip-flop has two stable states and is commonly used in synchronous circuits?

• A) D flip-flop

• B) T flip-flop

• C) J-K flip-flop

• D) S-R flip-flop

What is the primary purpose of a stack in computer architecture?

• A) To store temporary data during program execution

• B) To store the program counter

• C) To store instructions

• D) To store data for input/output operations

Which register is used to temporarily hold the operands and results of arithmetic and logical operations in a CPU?

• A) Instruction register

• B) Program counter

• C) Memory address register

• D) Accumulator

What is the purpose of the Program Counter (PC) in a CPU?

• A) To store the currently executing instruction

• B) To store the address of the next instruction to be executed

• C) To store the results of arithmetic operations

• D) To store the address of the data being processed

Which of the following is NOT a type of shift register?

• A) SIPO

• B) SISO

• C) PISO

• D) MISO

Which of the following addressing modes allows direct access to a memory location using a constant value?

• A) Immediate addressing

• B) Register addressing

• C) Indirect addressing

• D) Indexed addressing

In the case of, Zero-address instruction method the operands are stored in _____

• a) Registers

• b) Accumulators

• c) Push down stack

• d) Cache

The collection of the above mentioned entities where data is stored is called ______

• a) Block

• b) Set

• d) Byte

If a system is 64 bit machine, then the length of each word will be _______

• a) 4 bytes

• b) 8 bytes

• c) 16 bytes

• d) 12 bytes

Physical memory is divided into sets of finite size called as ______

• a) Frames

• b) Pages

• c) Blocks

• d) Vectors