================QUESTIONS
SET 1===============
Question 1:
Question 2:
Which of the following registers is used to keep track of
address of the memory location where the next instruction is located?
a. Memory Address Register
b. Memory Data Register
c. Instruction Register
d. Program Register
a. Memory Address Register
b. Memory Data Register
c. Instruction Register
d. Program Register
Question 3:
A complete microcomputer system consists of
a. microprocessor
b. memory
c. peripheral equipment
d. all of above
a. microprocessor
b. memory
c. peripheral equipment
d. all of above
Question 4:
CPU does not perform the operation
a. data transfer
b. logic operation
c. arithmetic operation
d. all of above
a. data transfer
b. logic operation
c. arithmetic operation
d. all of above
Question 5:
Pipelining strategy is called implement
a. instruction execution
b. instruction prefetch
c. instruction decoding
d. instruction manipulation
a. instruction execution
b. instruction prefetch
c. instruction decoding
d. instruction manipulation
Question 6:
A stack is
a. an 8-bit register in the microprocessor
b. a 16-bit register in the microprocessor
c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
d. a 16-bit memory address stored in the program counter
a. an 8-bit register in the microprocessor
b. a 16-bit register in the microprocessor
c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
d. a 16-bit memory address stored in the program counter
Question 7:
A stack pointer is
a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
b. a register that decodes and executes 16-bit arithmetic expression.
c. The first memory location where a subroutine address is stored.
d. a register in which flag bits are stored
a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
b. a register that decodes and executes 16-bit arithmetic expression.
c. The first memory location where a subroutine address is stored.
d. a register in which flag bits are stored
Question 8:
The branch logic that provides decision making capabilities in
the control unit is known as
a. controlled transfer
b. conditional transfer
c. unconditional transfer
d. none of above
a. controlled transfer
b. conditional transfer
c. unconditional transfer
d. none of above
Question 9:
Interrupts which are initiated by an instruction are
a. internal
b. external
c. hardware
d. software
a. internal
b. external
c. hardware
d. software
Question 10:
A time sharing system
imply
a. more than one processor in the system
b. more than one program in memory
c. more than one memory in the system
d. None of above
Answers:
a. more than one processor in the system
b. more than one program in memory
c. more than one memory in the system
d. None of above
Answers:
1. c
2. d
3. d
4. d
5. b
6. c
7. a
8. c
9. d
10. b
====================MCQS SET 2===========
Question 1:
Processors of all computers, whether micro, mini or mainframe must have
a. ALU
b. Primary Storage
c. Control unit
d. All of above
Question 2:
What is the control unit's function in the CPU?
a. To transfer data to primary storage
b. to store program instruction
c. to perform logic operations
d. to decode program instruction
Question 3:
What is meant by a dedicated computer?
a. which is used by one person only
b. which is assigned to one and only one task
c. which does one kind of software
d. which is meant for application software only
Question 4:
The most common addressing techiniques employed by a CPU is
a. immediate
b. direct
c. indirect
d. register
e. all of the above
Question 5:
Pipeline implement
a. fetch instruction
b. decode instruction
c. fetch operand
d. calculate operand
e. execute instruction
f. all of abve
Question 6:
Which of the following code is used in present day computing was developed by IBM corporation?
a. ASCII
b. Hollerith Code
c. Baudot code
d. EBCDIC code
Question 7:
When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
a. stack pointer
b. accumulator
c. program counter
d. stack
Question 8:
A microprogram written as string of 0's and 1's is a
a. symbolic microinstruction
b. binary microinstruction
c. symbolic microprogram
d. binary microprogram
Question 9:
Interrupts which are initiated by an instruction are
a. internal
b. external
c. hardware
d. software
Question 10:
Memory access in RISC architecture is limited to instructions
a. CALL and RET
b. PUSH and POP
c. STA and LDA
d. MOV and JMP
Answers:
1. d 2. d 3. b
4. e 5. f 6. d 7. d
8. d 9. b 10. c
====================MCQS SET 3===========
====================MCQS SET 3===========
Question 1:
A collection of 8 bits is called
a. byte
b. word
c. record
Question 2:
The ascending order or a data Hierarchy
is
a. bit - bytes - fields - record - file -
database
b. bit - bytes - record - field - file -
database
c. bytes - bit- field - record - file -
database
d. bytes -bit - record - field - file -
database
Question 3:
How many address lines are needed to address
each memory locations in a 2048 x 4 memory chip?
a. 10
b. 11
c. 8
d. 12
Question 4:
A computer program that converts an entire
program into machine language at one time is called a/an
a. interpreter
b. simulator
c. compiler
d. commander
Question 5:
In immediate addressing the operand is placed
a. in the CPU register
b. after OP code in the instruction
c. in memory
d. in stack
Question 6:
Microprocessor 8085 can address location
upto
a. 32K
b. 128K
c. 64K
d. 1M
Question 7:
The ALU and control unit of most of the
microcomputers are combined and manufacture on a single silicon chip. What is
it called?
a. monochip
b. microprocessor
c. ALU
d. control unit
Question 8:
When the RET instruction at the end of
subroutine is executed,
a. the information where the stack is
iniatialized is transferred to the stack pointer
b. the memory address of the RET instruction
is transferred to the program counter
c. two data bytes stored in the top two
locations of the stack are transferred to the program counter
d. two data bytes stored in the top two
locations of the stack are transferred to the stack pointer
Question 9:
A microporgram is sequencer perform the
operation
a. read
b. write
c. execute
d. read and write
e. read and execute
Question 10:
Interrupts which are initiated by an I/O drive
are
a. internal
b. external
c. software
d. all of above
Answers:
1. a 2. a 3.
b 4. c 5.b 6.c
7.b 8.c 9.e
10.b
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