Some questions
1) What is the function of a compiler?
a) It translates high-level language into machine code
b) It translates high-level language into assembly-level language
c) Both a and b
d) It translates low-level language into a high-level language
2) It is the part of the instruction fetched from the main memory
that specifies the data that needs to be acted on.
a) Data
b) Input
c) Opcode
d) Operand
3) This register holds the address of the next instruction to be
executed.
a) MAR
b) MDR
c) PC
d) CIR
e) ACC
4) Machine instruction cycle is another name for FetchExecute Cycle
a) True
b) False
5) What unit in CPU tells the computer's memory, arithmetic
and logic unit and input and output devices how to respond
to the instructions that have been sent to the processor?
6) What is the name of the unit that manages the four basic
operations (fetch, decode, execute, and store) of the Fetch
Execute Cycle?
a) Arithmetic unit
b) Logic unit
c) Control unit
d) Registers
7) The computer system is controlled by which component?
8) Which of the following is the brain of any computer system?
Which functional component of the computer system is
responsible for the computing?
a) CPU
b) RAM
c) ROM
d) CPU and RAM
9) What is the name of the unit in the CPU that performs
arithmetic and logic operations?
a) ALU
b) CU
c) MAR
d) MDR
10) which of the following type of memory is the fastest to
access?
If the program needs to read the same data a second time, it
looks for the data in ?
a)
b)
c)
d)
ROM
Cashe
DRAM
SRAM
11) Which of the following unit in Von Neumann Model store
store instructions during the Fetch – Execute Cycle?
a)
b)
c)
d)
Control unit
Registers
Arithmetiic unit
Logic unit
12) The three main parts of central processing unit (CPU
processor) is
a) ALU, Control Unit, and Registers
b) ALU, Control Unit, and RAM
c) Cache, ALU, and RAM
d) Control Unit, RAM, and Cache
13) The addressing mode, where you directly specify the
operand value is
a) Immediate
b) Direct
c) Definite
d) Relative
14) 12. The central processing unit and memory are located on
the
a) expansion board
b) motherboard
c) storage device
d) None of these
15) Which of the following is a type of architecture used in the
computers nowadays?
a) Microarchitecture
b) Harvard Architecture
c) Von-Neumann Architecture
d) System Design
16) The drawback of building a large memory with DRAM is
a) The Slow speed of operation
b) The large cost factor
c) The inefficient memory organisation
d) All of the mentioned
17) The main components (or basic units) of a computer
system are
a) Input/Output unit
b) Central Process Unit (CPU)
c) Memory unit (Storage unit)
d) All of the above
18) 8086 is a -----
a)
b)
c)
d)
Microprocessor
Microcontroller
Both a and b
None
19) RISC type processor consists of _______ instruction set.
a)
b)
c)
d)
Simple
Tough
Equal
None of the above
20) Data processing cycle consists of
a) input cycle and output cycle
b) input cycle, output cycle, and processing cycle
c) output cycle and processing cycle
d) data transforming and refining cycle
21) Which of the following instruction in the RISC type
processor access memory location?
a)
b)
c)
d)
LOAD instruction
STORE instruction
Transfer instruction
Both a and b
22) The unit that decodes the instructions concurrently and
translate them into micro-operations is
a)
b)
c)
d)
instruction decoder
trace cache
execution module
front end branch predictor
23) 21) Which of the following are the components of a
microprocessor?
a)
b)
c)
d)
ALU
Register Array
Control unit
All the above
24) Which of the following sequence that a microprocessor
follows?
a)
b)
c)
d)
Fetch, decode, Execute
Fetch, execute, decode
Decode, fetch, execute
Execute, decode, fetch
25) The function of the control unit is _________.
a) It controls data flow
b) It controls instructions in a computer
c) It decides how computer memory, ALU unit, the input-output device
should respond to the processor's instructions
d) All the above
26) Initially the microprocessors stores instructions in ______
order in a memory.
a)
b)
c)
d)
Sequential manner
Concurrent manner
Both a and b
None of the above
27) Instructions in a microprocessor, are fetched from
_________.
a) Memory
b) ALU
c) CPU
d) All the above
28) Microprocessor understands a set of instructions called
________.
a)
b)
c)
d)
Instruction set
Software
Code
All the above
29) A microprocessor with 8-bit can process ______ bits of
data at a time.
a)
b)
c)
d)
4
8
12
16
30) RISC type processor stands for _________.
a)
b)
c)
d)
Reduced instruction set computer processor
React instruction set computer processor
Reduced information set computer processor
None of the above
31) CISC type Processor stands for _______.
a)
b)
c)
d)
Complex instruction set computer processor
Computer instruction set computer processor
Complex information set computer processor
Complex instruction set complex processor
32) DMA stands for?
a) Direct memory access
b) Direction memory access
c) Dictate memory accumulator
d) None of the above
33) Which of the following is a microprocessor?
a)
b)
c)
d)
8085
8086
8051
Both a and b
34) Which of the following are the types of registers in the 8086
microprocessor?
a)
b)
c)
d)
General-purpose registers
Segment registers
All of the above
None
35) What is the size of the address bus and data bus in the
8086 processor?
a)
b)
c)
d)
16bits
20bits
Both a and b
None