1. Floating point representation is used to store
A) Boolean Values B) Whole Numbers C)Real Integers D Integers
2. What characteristics of RAM memory makes it not suitable
for permanent Storage------------------------
ans:Volatile
3.The average time required to reach a storage location in
memory and obtain its contents is called the ...............
ans=ACCESS TIME
4.Virtual memory consist of -------------------- ans=Static
RAM
5.Generally Dynamic RAM is used as main memory in a computer
system as it---------------has higher speed
6.Cache memory acts between----------------- ans=-CPU and
RAM
7.Von Neumann architecture is ---------------- ans=SISD
8.Memory Management technique in which system stores and
retrives data from secondary storage for use in main memory is called------- ans=paging
9.Run time mapping from Virtual to physical address is done
by ------------------ ans=Memory management unit
10. -------------------address is generated by CPU. ans= Logical address
11. which of the following memories must be refreshed many
times per second?---- ans= Static RAM
12.Interrupts which are initiated by an instruction
are------------ ans= software
13. The branch logic that provides decision making
capabilities in the control unnit is known as-------------------------- ans= unconditional
transfer
14.A pipeline is like-------------- ans= an automobile
assembly line
15.PC is also called--------- ans= instruction pointer
16.In computer subtraction is generally carried out by
--------------- ans= 2's complement
17. Instruction in different stages of pipeline do not
interfere with one another, separation is done by
Pipe stage
Pipeline stacks
Pipeline registers(Ans)
Processor cycle
18. Memory address refers to the successive memory words and
the machine is called as …………
A) word addressable(ans)
B) byte addressable
C) bit addressable
D) Terra byte addressable
19.A microprogram written as string of 0’s and 1’s is a
………….
A) Symbolic microinstruction
B) binary microinstruction
C) symbolic microinstruction
D) binary micro-program(ans)
20.Which is the fastest component in the memory hierarchy?
A. Main memory
B. Auxillary memory
C. Cache memory
D. None of the above
21. The fundamental conceptual unit in a computer is: a. CPU
b. Hard Drive c. Operating System d. Transistor
22.The instruction
MOV CL, [BX][DI]+8 represents the following addressing mode a.based
relative b.based indexed c.indexed relative d.register indirect
23. Part of the operating system is usually stored in ROM so
that it can be used to boot up the
computer. ROM is used rather than RAM
because a. ROM chips are faster than RAM b. ROM chips are not volatile c. ROM chips are cheaper than RAM
chips d. none of the above
24. Which of the following is Non-Volatile memory? a. EEPROM b. SRAM c. DRAM d. None of
the above
25. Two’s complement notation is frequently used for
internal representation of a. fractions
b. integers c. True and False values
d. floating point numbers
26. The two’s complement representation of –10 is: a. 11110110 b. 11011001 c. 00001010 d.
11111100
27. The binary representation of 15 is: a. 01010 b. 01111 c. 10011 d. 00101
28. Floating point
representation is used to store a. Boolean values b. whole numbers c. real numbers d. integers
29.Binary numbers can be used to represent a.Integers
only b.Fractions only c.Both
fractions and integers d. both fractions
and integers.
30. A computer’s
memory is composed of 8K words of 32 bits each.
How many bits are required for memory address if the smallest
addressable memory unit is a word? a. 13
b. 8 c. 10 d. 6
31. A computer’s
memory is composed of 4K words of 32 bits each. How many total bits in memory?
a. 12800 b. 1280000 c. 1310720 d. 131072
32. A computer’s
memory is composed of 8K words of 32 bits each, and a byte is 8 bits. How many bytes does this memory contain? a.
8K b. 32K c. 16K d. 4K
33. A “word” is the natural unit of organization of
memory. Different computer types may
have different word lengths (in bits) . True or False?
34. The fetch-decode-execute cycle refers to the process by
which data is read from the hard drive and stored in memory. True or False?
35. Interrupts can be
generated in response to a. detected
program errors such as arithmetic overflow or division by zero b. detected
hardware faults c. Input/Output activities d. Internal timers e. b, c, and d f. a, b, c, and d
36. Virtually all
computer designs are based on the von Neumann architecture. A high level view of this architecture has
the following three components: a. Buses, memory, input/output controllers b.
Hard disks, floppy disks, and the CPU c. memory, the CPU, and printers d.
memory, input/output modules, and the CPU
37. Which of the
following programming languages has an instruction set closest to the machine
language of a computer? a. BASIC b. Fortran c. Assembly Language d. C++
38. Cache memory refers to
a. cheap memory that can be plugged into the mother board to expand main
memory b. fast memory present on the
processor chip that is used to store recently accessed data c. a reserved
portion of main memory used to save important data d. a special area of memory
on the chip that is used to save frequently used constants
39. A memory
management technique used to improve computer performance is a.
selecting memory chips based on their cost b. storing as much data as possible
on disk c. using the cache to store data
that will most likely be needed soon d. preventing data from being moved
from the cache to primary memory
40. Registers contain data and instructions needed by the
CPU. True or False?
41. A computer’s memory is composed of 8K words of 32 bits
each, and the smallest addressable memory unit is an 8 bit byte. How many bits will be required for the memory
address? a. 12 b. 15 c. 13 d. 10
42.What is RISC?
1) Remodeled Interface System Computer 2) Remote Intranet Secured Connection
3) Runtime Instruction Set Compiler 4)
Reduced Instruction Set Computer
43. A basic instruction that can be interpreted by computer
has
A.Operand and opcode
B.Decoder and Accumulator
C.Sequence register and decoder D.None of the above
44.Addressing mode used in instruction
add r1,r2,r3 is
A.Indirect
B.Base C.Register D.Immediate
45.The addressing mode used in PUSH B is
A.Direct B.Register C.Register
Indirect D.Index
46.The CPU of a computer takes instruction from memory and
executes them.This process is called
A.Load
B.Time Sequence C.Execution D.Fetch-Execute Cycle
47.Bias using for single precision number is
A.128
B. -128 C.127 D.255
48.The range of numbers that can be stored in 8 bit ,if
negative numbers are stored in 2’s complement form is
A.-128 to 128
B.-128 to 127 C.-127 to 128 D.-127 to 127
