Practice Test: Question Set - 02
1. In signed-magnitude binary division, if the dividend is (11100) 2 and divisor is (10011) 2 then the result is
- (A) (00100) 2
- (B) (10100) 2
- (C) (11001) 2
- (D) (01100) 2
2. Virtual memory consists of
- (A) Static RAM
- (B) Dynamic RAM
- (C) Magnetic
memory
- (D) None of
these
3. In a program using subroutine call instruction, it is necessary
- (A) Initialize
program counter
- (B) Clear the
accumulator
- (C) Reset the
microprocessor
- (D) Clear the
instruction register
4. If the main memory is of 8K bytes and the cache memory is of 2K words. It uses associative mapping. Then each word of cache memory shall be
- (A) 11 bits
- (B) 21 bits
- (C) 16 bits
- (D) 20 bits
5. A-Flip Flop can be converted into T-Flip Flop by using additional logic circuit
- (A) n TQD =•
- (B) T D =
- (C) D = T . Q n
- (D) n TQD =?
6. Logic X-OR operation of (4ACO) H & (B53F) H results
- (A) AACB
- (B) 0000
- (C) FFFF
- (D) ABCD
7. Cache memory works on the principle of
- (A) Locality of
data
- (B) Locality of
memory
- (C) Locality of
reference
- (D) Locality of
reference & memory
8. The main memory in a Personal Computer (PC) is made of
- (A) Cache memory
- (B) Static RAM
- (C) Dynamic Ram
- (D) Both (a) and
(b)
9. The multiplicand register & multiplier register of a hardware circuit implementing booth’s algorithm have (11101) & (1100). The result shall be
- (A) (812) 10
- (B) (-12) 10
- (C) (12) 10
- (D) (-812) 10
10. _________ register keeps tracks of the instructions stored in program stored in memory.
- (A) AR (Address
Register)
- (B) XR (Index
Register)
- (C) PC (Program
Counter)
- (D) AC
(Accumulator)
11. MIMD stands for
- (A) Multiple
instruction multiple data
- (B) Multiple
instruction memory data
- (C) Memory
instruction multiple data
- (D) Multiple
information memory data
12. A group of bits that tell the computer to perform a specific operation is known as
- (A) Instruction
code
- (B) Micro-operation
- (C) Accumulator
- (D) Register
13. The communication between the components in a microcomputer takes place via the address and
- (A) I/O bus
- (B) Data bus
- (C) Address bus
- (D) Control
lines
14. An instruction pipeline can be implemented by means of
- (A) LIFO buffer
- (B) FIFO buffer
- (C) Stack
- (D) None
of the above
15. Data input command is just the opposite of a
- (A) Test
command
- (B) Control
command
- (C) Data
output
- (D) Data
channel
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