WorksheetsBCA C2 Quiz-1 Fall sem 25-26
Total questions: 10
Worksheet time: 10mins
If the inputs of an OR gate are A = 0 and B = 1, what will be the output?
A) 0
B) 1
C) Depends on previous input
D) Cannot be determined
Which logic gate is called a "Universal Gate" because any digital circuit can be implemented using only this gate?
A) OR
B) AND
C) XOR
D) NAND
The unit that performs arithmetic and logical operations in a computer is called:
A) Control Unit (CU)
B) Arithmetic Logic Unit (ALU)
C) Memory Unit
D) Input Unit
The instruction ADD R1, R2 means:
A) Add contents of R1 and R2 and store result in memory
B) Add contents of R1 and R2 and store result in R1
C) Add contents of R1 and R2 and store result in R2
D) Add R1 with immediate value in R2
The full forms of RISC and CISC are:
A) Reduced Instruction Set Computer, Complex Instruction Set Computer
B) Rapid Instruction Set Computer, Controlled Instruction Set Computer
C) Random Instruction Set Computer, Central Instruction Set Computer
D) None of the above
Integrated Circuits (ICs) were introduced in which generation of computers?
A) First generation
B) Second generation
C) Third generation
D) Fourth generation
What is the decimal equivalent of (1011)₂?
9
10
11
12
The hexadecimal equivalent of (1001)₂ is:
A
7
8
9
If an instruction directly specifies the memory address of the operand, it is:
A) Direct addressing mode
B) Indirect addressing mode
C) Register indirect addressing
D) Indexed addressing
Which of the following is the correct order of phases in an instruction cycle?
A) Fetch → Decode → Execute
B) Decode → Fetch → Execute
C) Execute → Fetch → Decode
D) Fetch → Execute → Decode
