Table of Content (toc)
1. The output that is obtained, on the screen is called as
-
VDU
Hard copy
Soft copy
2. When performing a looping operation, the instruction gets stored in the
-
Register
Cache
System heap
3. Logic X-OR operation of (4ACO)H& (B53F)H results _____.
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AACB
0000
FFFF
4. If the main memory is of 8K bytes and the cache memory is of 2K words. Ituses associative mapping. Then each word of cache memory shall be_____.
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11 bits
21 bits
16 bits
5. In case of zero-addressinstruction method the operands are stored in
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Registers
Accumulators
Stack
Cache
6. Cache memory acts between_______.
-
CPU and RAM
RAM and ROM
CPU and Hard Disk
7. Which generation of computers is converted by the period 1964-77?
-
First
Second
Third
8. What was the name of the first personal computer electronic spreadsheet software package which becomes a smash hit as soon as it was introduced in 1978?
-
Word star
Lotus 1-2-3
VisiCalc
9. The addressing mode(s), which uses the PC instead of a general purpose register is
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Indexed with offset
Relative
Direct
10. How many memory locations can be addressed by a 32-bit computer?
-
64 KB
32 KB
4 GB
11. Consider the following statements with respect to I/O performance measures:
1. Throughput is the average number of tasks completed by the server over a period of time.
2. The two most common measures of I/O performance, used currently, are throughput and response time.
State True or False:
-
1- True, 2- True
1- False, 2- False
1- True, 2- False
12. The addressing mode of an instruction is resolved by
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ALU
DMA Controller
CU
13. Assembly language
-
uses alphabetic codes in place of binary numbers used in machine language
is the easiest language to write programs
need not be translated into machine language
14. What can be used to store one or more bits of data, which can accept and/or transfer information serially ?
-
Parallel registers
Shift registers
Counters
15. A typical modern computer uses
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LSI chip
VLSI chip
valves
16. In computers, subtraction is generally carried out by
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9’s complement
10’s complement
1’s complement
17. The basic circuit of ECL supports the
-
NAND logic
NOR logic
EX-OR logic
18. The three main components of a digital computer system are
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Memory, IO, DMA
ALU, CPU, Memory
Control Unit, ALU, Register
19. The main advantages of CMOS as compared to TTL are
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Higher speed operation with low power consumption
Higher power consumption with high fan out
Lower power consumption with low fan out
20. A _____ is small piece of data that is derived from the words â€Å“binary digitâ .
-
mega byte
byte
bit
21. ___ is used to reduce cache hit time.
-
Pseudo-associative caches
Avoiding address translation during cache indexing
Early restart and critical word first
22. can be represented in a signed magnitude format and in a 1’s complement format as
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111011 & 100100
100100 & 111011
011011 & 100100
23.The register used as a working area in CPU is
-
program counter
instruction register
instruction decoder
24. Processors of all computers, whether micro, mini or mainframe must have
-
ALU
Primary Storage
Control unit
25. In the indirect address mode
-
the effective address is equal to the address part of the instruction
the content of the program counter is added to address part of the instruction
a memory is addressed by a register
26. A disk’s content that is recorded at the time a manufacture and that changed or erased by the user is
-
Run-only
Read-only
Write-only
27.The ascending order or a data Hierarchy is -
-
bit-bytes-fields-record-file-database
bit-bytes-record-field-file-database:
bytes-bit-field-record-file-database
28. The most relevant addressing mode to write position-independent codes is
-
direct mode
indirect mode
relative mode
29. Subtractor can be implemented using -
-
adder
complementer
both (a) and (b)
30. In IBM’s S360/370 systems lines are used toselect the I/O devices.
-
SCAN in and out
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