Practice Test: Question Set - 06
1. Von Neumann architecture is _______.
- (A) SISD
- (B) SIMD
- (C) MIMD
- (D) MISD
2. Computers use addressing mode techniques for _________.
- (A) Giving
programming versatility to the user by providing facilities as pointers to memory
counters for loop control
- (B) To
reduce no. of bits in the field of instruction
- (C) Specifying
rules for modifying or interpreting address field of the instruction
- (D) All
the above
3. What characteristic of RAM memory makes it not suitable for permanent storage?
- (A) Too slow
- (B) Unreliable
- (C) It
is volatile
- (D) Too
bulky
4. The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to ________.
- (A) The
time its takes for the platter to make a full rotation
- (B) The
time it takes for the read-write head to move into position over the appropriate
track
- (C) The
time it takes for the platter to rotate the correct sector under the head
- (D) None
of the above
5. In computers, subtraction is generally carried out by ________.
- (A) 9’s
complement
- (B) 10’s
complement
- (C) 1’s
complement
- (D) 2’s
complement
6. Assembly language ________.
- (A) Uses
alphabetic codes in place of binary numbers used in machine language
- (B) Is
the easiest language to write programs
- (C) Need
not be translated into machine language
- (D) None of
these
7. Suppose that a bus has 16 data lines and requires 4 cycles of 250 ns each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 ns and the number of cycles required for transfer stayed the same what would the bandwidth of the bus?
- (A) 1 Megabyte/sec
- (B) 4
Megabytes/sec
- (C) 8
Megabytes/sec
- (D) 2
Megabytes/sec
8. Processors of all computers, whether micro, mini or mainframe must have
- (A) ALU
- (B) Primary
Storage
- (C) Control unit
- (D) All of above
9. 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
10. A register capable of shifting its binary information either to the right or the left is called a
- (A) Parallel
register
- (B) Serial
register
- (C) Shift
register
- (D) Storage
register
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