Table of Content (toc)
1. Which of the following memory elements uses an RC circuit as its input?
-
Unclocked D latch
Level-clocked D latch
Edge – triggered D flip-flop
2. A subtractor is not usually present in a computer because
-
it is expensive
it is not possible to design it
the adder will take care of subtraction.
3. information in registers
-
Register transfer micro-operations
Arithmetic operations
Logic operations
4. The circuit used to store one bit of data is known as_______.
-
Register
Encoder
Decoder
5. he cost of storing a bit is minimum in
-
Cache memory
Register
RAM
6. The average time required to reach a storage location in memory and obtainits contents is called the _____.
-
seek time
turnaround time
access time
7. ___ execution is the temporal behaviour of the N-client 1-server model where one client is served at any given moment.
-
Single data
Concurrent
Parallel
8. Which of the following staement(s) is true ?
-
ROM is read/write memory
PC points to the last instruction that was executed
Stack works on the principle of LIFO
9. 1 In the late 1970s, we observed the emerging of ___ that were high-performance computers for scientific computing.
2. In the 1960s, the ___ used to be the most prevalent ones.
-
Main-frame computers, Microcomputers
Supercomputers, Main-frame computers
Microcomputers, Supercomputers
10. ___ architecture supports the pipelined flow of vectors operands directly from the memory to pipelines and then back to memory.
-
Memory to memory
Register to memory
Memory to register
11. ___ Architecture uses vector registers to interface between the memory and functional lines.
-
Memory to memory
Register to memory
Memory to register
12. In immediate addressing the operand is placed
-
in the CPU register
after OPcode in the instruction
in memory
13. Memory unit accessed by content is called______.
-
Read only memory
Programmable Memory
Virtual Memory
14. The minimum hardware required to construct a 3-to-8 decoder is using
-
Two 2-to-4 decoders
Two 2-to-4 decoders and two 1-to-2 decoders
Depends upon the technology (TTL, CMOS, etc.)
15. Processors of all computers, whether micro, mini or mainframe must have -
-
ALU
Registers
Control Unit
16. A flip-flop circuit can be used for
-
Counting
Scaling
Rectification
17. Which one does not change the information content during the movement of binary
136. . Computers use addressing mode techniques for ____________.
-
giving programming versatility to the user by providing facilities as pointers to memory counters for loop control
to reduce no. of bits in the field of instruction
specifying rules for modifying or interpreting address field of the instruction
18. Instruction in computer languages consists of -
-
OPCODE
OPERAND
Both of the above
19. _________ register keeps track of the instructions stored in program storedin memory.
- AR (Address Register)
XR (Index Register)
PC (Program Counter)
20.In which command, the interface responds by transmitting data?
-
Data input
Status
Data output
21. TLB is associated with
-
Cache memory
Virtual memory.
Primary memory
22. Exponent in floating point number can be represented by
-
Sign-magnitude form
1's complemented form
2's complement form
23. How many distinct functional units are present in CDC6600?
24.Pipeline architecture is more suitable for
-
RISC architecture
CISC architecture
Hybrid architecture
25. ___ is faster storage of copies of programs and data.
-
RAM
ROM
CACHE
26. As per CPU concern Hard disk drive is
- type of Memory
peripheral device
none of the above
27. True/False
1. The sequential computer was improved bit-serial to word- parallel operations
2. The von-Neumann architecture is fast due to the sequential execution of instructions in the Program.
-
Only 1
Only 2
Both 1 & 2
28. A Program Counter contains a number 825 and address part of the instruction contains the number 24. The effective address in the relative address mode, when an instruction is read from the memory is
-
849.
850.
801.
29. The term Computer Architecture was coined in ___ by the ‘Chief architects of the ___
-
1974, 360 System
1965, AT & T
1964, IBM System
30. A page fault
-
Occurs when there is an error in a specific page.
Occurs when a program accesses a page of main memory.
Occurs when a program accesses a page not currently in main memory.
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